User Guide IQS-2600B Tunable Laser Source for IQS Platforms
Copyright © 2003–2011 EXFO Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, be it electronically, mechanically, or by any other means such as photocopying, recording or otherwise, without the prior written permission of EXFO Inc. (EXFO). Information provided by EXFO is believed to be accurate and reliable.
Contents Contents Certification Information ........................................................................................................ v 1 Introducing the IQS-2600B Tunable Laser Source ...................................... 1 General Information ...............................................................................................................1 Typical Applications ................................................................................................................
Contents 7 Monitoring Your Tunable Laser Source .....................................................41 Using Monitor Windows .......................................................................................................41 Using QuickTools ...................................................................................................................44 8 Maintenance ................................................................................................47 Cleaning Fixed Connectors ....
Certification Information Certification Information FCC Information Electronic test equipment is exempt from Part 15 compliance (FCC) in the United States. However, compliance verification tests are systematically performed on most EXFO equipment. Information Electronic test equipment is subject to the EMC Directive in the European Union. The IEC 61326-1 standard prescribes both emission and immunity requirements for laboratory, measurement, and control equipment.
Certification Information DECLARATION OF CONFORMITY Application of Council Directive(s): 2006/95/EC ± The Low Voltage Directive 2004/108/EC ± The EMC Directive 93/68/EEC ± CE Marking And their amendments 0DQXIDFWXUHU¶V 1DPH DQG $GGUHVV: EXFO Inc. 400 Godin Avenue Quebec City, Quebec G1M 2K2 CANADA Tel.: +1 418 683-0211 Equipment Type/Environment: Trade Name/Model No.
1 Introducing the IQS-2600B Tunable Laser Source General Information The IQS-2600B Tunable Laser Source addresses the testing requirements for dense WDM component testing in the C- and L-bands.
Introducing the IQS-2600B Tunable Laser Source Typical Applications The IQS-2600B Tunable Laser Source supports local control (via the IQS Manager software) and remote control (through GPIB, RS-232, or Ethernet TCP/IP using SCPI commands or the provided LabVIEW drivers). For more information, refer to the IQS platform user guide.
Introducing the IQS-2600B Tunable Laser Source IQS-2600CT Tunable Laser Source for IQS-12004B DWDM Passive Component Test System IQS-2600CT Tunable Laser Source for IQS-12004B DWDM Passive Component Test System EXFO has modified its IQS-2600B Tunable Laser Source in order to integrate it into the IQS-12004B DWDM Passive Component Test System. To optimize the performance of the IQS-12004B, the optical attenuator ensuring a constant power output from the tunable laser source has been removed.
Introducing the IQS-2600B Tunable Laser Source Conventions Conventions Before using the product described in this manual, you should understand the following conventions: WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Do not proceed unless you understand and meet the required conditions. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
2 Safety Information While handling optical fibers, laser radiation may be encountered at source output ports and fiber ends. Avoid long-term exposure to laser radiation. WARNING Do not install or terminate fibers while a light source is active. Never look directly into a live fiber and ensure that your eyes are protected at all times.
3 Getting Started with Your Tunable Laser Source Inserting and Removing Test Modules CAUTION Never insert or remove a module while the controller unit and its expansion units are turned on. This will result in immediate and irreparable damage to both the module and unit. To insert a module into the controller or expansion unit: 1. Exit IQS Manager and turn off all your units. 2. Remove the protective cover from the desired unused module slot. 2a.
Getting Started with Your Tunable Laser Source Inserting and Removing Test Modules 4. Insert the protruding edges of the module into the grooves of the unit’s module slot. 5 Protruding edges (right side of module) Retaining screw knob Retaining screw 5. Push the module all the way to the back of the slot, until the retaining screw makes contact with the unit casing. 6.
Getting Started with Your Tunable Laser Source Inserting and Removing Test Modules The module is correctly inserted when its front panel is flush with the front panel of the controller or expansion unit. When you turn on the controller unit, the startup sequence will automatically detect your module. Note: You can insert IQ modules into your controller or expansion unit; the IQS Manager software will recognize them. However, the IQS-2600B locking mechanism (retaining screw) will not work for IQ modules.
Getting Started with Your Tunable Laser Source Inserting and Removing Test Modules Connector NO YES Retaining screw knob CAUTION Pulling out a module by a connector could seriously damage both the module and connector. Always pull out a module by the retaining screw knob. 3. Cover empty slots with the supplied protective covers. 3a. Slide the top of the protective cover into the upper grooves of the unit. 3b. Snap the cover into place by pushing the retaining screw knob.
Getting Started with Your Tunable Laser Source Starting the Tunable Laser Source Application Starting the Tunable Laser Source Application Your IQS-2600B Tunable Laser Source module can be configured and controlled from its dedicated IQS Manager application. Note: For details about IQS Manager, refer to the IQS platform user guide. To start the application: 1. From the Current Modules function tab select the module to use. It will turn white to indicate that it is highlighted.
Getting Started with Your Tunable Laser Source Starting the Tunable Laser Source Application Note: Pressing the LED push button will not activate or turn on the module. Note: To start the corresponding monitor window at the same time, click Start App. & Monitor. The window opens on the Monitors function tab.
Getting Started with Your Tunable Laser Source Starting the Tunable Laser Source Application Title Bar The title bar is located at the top of the main window. It displays the module name and its position in the controller or expansion unit.
Getting Started with Your Tunable Laser Source Entering Values Using Sliders and Numeric Boxes Entering Values Using Sliders and Numeric Boxes Many parameters in IQS Manager and module applications can be set using the following tools. Slider Numeric box button Fine-tuning box Navigation buttons Slider: Drag it to the desired value on the scale below. Navigation buttons: Click either buttons to move the slider.
Getting Started with Your Tunable Laser Source Exiting the Application Exiting the Application Closing any application that is not currently being used helps freeing system memory. To close the application from the main window: Click in the top right corner of the main window. OR Click the Exit button located at the bottom of the function bar. To close all currently running applications: From IQS Manager, click Close All Applications.
4 Setting Standard Parameters The standard parameters are set through the Instrument function tab.
Setting Standard Parameters Switching between Normal and High-Resolution (HR) Modes Switching between Normal and High-Resolution (HR) Modes You can use two different modes to select your values in your Instrument function tab. High-Resolution Normal In HR mode, the laser linewidth is reduced by a factor of 20 %. Typically, at 1550 nm, the Normal mode will produce a 1.6 GHz FWHM linewidth, while the HR mode will produce a 1.4 GHz FWHM linewith.
Setting Standard Parameters Selecting the Display Unit Selecting the Display Unit It is possible to select the display unit with which you want to work. To select the display units, use the switch located in the Wl. Unit panel of the Instrument function tab. . The THz units are only supported in the main window. Settings in the Settings function tab use nm as units.
Setting Standard Parameters Selecting a Wavelength Selecting a Wavelength There are several ways to select a wavelength for testing. Whenever you use controls in the Wavelength panel, the LED on the upper right-hand corner will light up to indicate which settings you are changing. Entering a Wavelength Directly Any desired wavelength within the operational limits of the source can be entered directly by clicking on the numeric box button in the Wavelength panel of the Instrument function tab.
Setting Standard Parameters Selecting a Wavelength Retrieving a Wavelength from a Stored List To select a wavelength from the list of wavelengths already saved in the internal memory: 1. In the Instrument function tab, use the arrow buttons next to the Wavelength panel’s Preset list and select the wavelength you want. 2. Click Apply to use your new settings. To add a wavelength to the list, see Adding Items to Lists on page 24.
Setting Standard Parameters Setting the Power Setting the Power There are several ways to select a power value for testing. Whenever you use controls in the Power panel, the LED on the upper right-hand corner will light up to indicate which settings you are changing. Entering a Power Value Directly Any desired power value within the operational limits of the source can be entered directly by clicking on the numeric box button in the Power panel of the Instrument function tab.
Setting Standard Parameters Setting the Power Retrieving Power Step Value from a Stored List To select a power step value from the list of existing values: In the Instrument function tab, use the arrow buttons next to the Power (dBm) panel’s Step list to select the value you want. To add a wavelength to the list, see Adding Items to Lists on page 24. Using the Slider You can select a power value by using the slider in the Instrument function tab.
Setting Standard Parameters Adding Items to Lists Adding Items to Lists You can add items to the current Wavelength Presets, Wavelength Step, Power Step and Sweep Step lists. To add items: 1. Click the Settings function tab. 2. Select the Lists tab. 3. In the Wavelength Presets (nm), Wavelength Step, Power Step (dB) or Sweep Step (nm) panels, depending on where you want to add a value, type in the desired wavelength or step in the New Value box. 4. Click to add the value to the list. 5.
Setting Standard Parameters Deleting Items from Lists Deleting Items from Lists You can delete items from the current Wavelength Presets, Wavelength Step, Power Step and Sweep Step lists. To delete items: 1. Click the Settings function tab. 2. Select the Lists tab. 3. In the Wavelength Presets, Wavelength Step, Power Step or Sweep Step panels, select the value to delete. 4. Click Tunable Laser Source to delete it.
Setting Standard Parameters Saving and Recalling Configurations Saving and Recalling Configurations Once you have set the IQS-2600B Tunable Laser Source parameters, you can save your custom configuration and recall it at any time. You can also recall the factory-defined settings. Saved configurations include all parameters set in the Control Center (Instrument function tab) and in the Settings function tab (if present). To save a configuration: 1. Select the Configuration function tab.
Setting Standard Parameters Saving and Recalling Configurations To recall a configuration: 1. Select the Configuration function tab. 2. Click Open. 3. Select the configuration file you wish to recall and confirm your action. You are returned to the application and the new parameters are set. To revert to factory settings: 1. Select the Configuration function tab. 2. Click the Reset Module to Factory Settings button.
5 Setting Sweep Parameters Your Tunable Laser Source allows you to perform automatic wavelength scans according to user-defined parameters. You can perform a continuous sweep (the source will make one or several continuous passes), or you can perform a step-by-step sweep (the signal wavelength changes according to preset increments or steps). Setting the Start and End Wavelengths The wavelength scans and their lengths (or duration) depend on the start and end wavelengths you set.
Setting Sweep Parameters Setting a Delay for the Sweep Setting a Delay for the Sweep A delay at the beginning of a sweep can allow you to coordinate more than one unit. To set the delay: 1. Select the Settings function tab. 2. In the Sweep tab, enter the desired time in the Delay box in 99:59:59 format. If you set the delay to 00:00:00, the sweep will begin immediately upon clicking Start in the Instrument function tab.
Setting Sweep Parameters Selecting the Sweep Mode Using the Stepped Mode To select the Stepped sweep mode, click the appropriate button in the Sweep tab of the Settings function tab. To add or delete steps from the lists, see Adding Items to Lists on page 24 and Deleting Items from Lists on page 25. You can also set the Pause length between the steps by entering the desired value.
Setting Sweep Parameters Selecting the Incoming Trigger Option Selecting the Incoming Trigger Option The incoming trigger option allows you to synchronize your sweeps with signals from other units. You can switch the incoming trigger option on or off by clicking Use Incoming Trigger for Synchronization in the Sweep tab of the Settings function tab. For more information about the trigger option on your Tunable Laser Source, see Trigger Option Theory on page 129.
Setting Sweep Parameters Setting the Cycle Options Setting the Cycle Options The cycle options allow you to specify settings in both continuous and stepped sweep modes. You can set a specific number of cycles for the sweep to perform. To set the number of cycles: 1. Click the Cycle button. 2. Enter the desired number of cycles in the box next to the button (maximum 99). Note: If you want the sweep to loop continuously, select the Loop Continuously button instead.
Setting Sweep Parameters Setting the Sweep Direction Setting the Sweep Direction The sweep can be either unidirectional, meaning that it will only go in one direction, or bidirectional, sweeping back and forth. To set the direction of the sweep: Select the desired sweep direction by selecting the appropriate button in the Sweep tab of the Settings function tab.
6 Operating your Tunable Laser Source Cleaning and Connecting Optical Fibers IMPORTANT To ensure maximum power and to avoid erroneous readings: Always inspect fiber ends and make sure that they are clean as explained below before inserting them into the port. EXFO is not responsible for damage or errors caused by bad fiber cleaning or handling. Ensure that your patchcord has appropriate connectors. Joining mismatched connectors will damage the ferrules.
Operating your Tunable Laser Source Cleaning and Connecting Optical Fibers 3. Carefully align the connector and port to prevent the fiber end from touching the outside of the port or rubbing against other surfaces. If your connector features a key, ensure that it is fully fitted into the port’s corresponding notch. 4. Push the connector in so that the fiber-optic cable is firmly in place, thus ensuring adequate contact.
Operating your Tunable Laser Source Installing the EXFO Universal Interface (EUI) Installing the EXFO Universal Interface (EUI) The EUI fixed baseplate is available for connectors with angled (APC) or non-angled (UPC) polishing. A green border around the baseplate indicates that it is for APC-type connectors. Green border indicates APC option Bare metal (or blue border) indicates UPC option To install an EUI connector adapter onto the EUI baseplate: 1.
Operating your Tunable Laser Source Activating/Deactivating Light Emission Activating/Deactivating Light Emission Before turning on the Tunable Laser Source, please read the Safety Information on page 5. To activate or deactivate light emission, use the Source On/Off switch in the Instrument function tab. Status indicator When the source is active, the LED on the module front panel lights up and the Status indicator blinks and then appears in red with two arrows pointing to the right.
Operating your Tunable Laser Source Starting a Sweep Starting a Sweep After setting your sweep parameters as explained in Setting Sweep Parameters on page 29 and that your source is turned on, you are ready to start your sweep. To start the sweep, click the Start button in the Instrument function tab. To stop the sweep before it is completed, click Stop. Note: You can stop the sweep at any time. Turning the laser on or off will also stop the sweep.
7 Monitoring Your Tunable Laser Source When using your IQS-2600B Tunable Laser Source module, either alone or with other modules in a test setup, you can view module data and status using its monitor window in IQS Manager. Using Monitor Windows Monitor windows display basic data about modules. A combination of resizable windows allows you to create an integrated data display (refer to the platform user guide).
Monitoring Your Tunable Laser Source Using Monitor Windows To select modules and display their monitor windows: 1. On the Current Modules function tab, select the controller or expansion unit containing the modules you want to monitor. Selected modules (checked) 2. In the Monitor column, select the box next to each module you want to monitor. If you want to monitor all the modules in the current unit, click Select All Monitors. If you want to clear your choices, click Deselect All Monitors. 3.
Monitoring Your Tunable Laser Source Using Monitor Windows Close monitor window Rearrange monitors in columns Reposition monitor windows Tunable Laser Source Close all monitor windows 43
Monitoring Your Tunable Laser Source Using QuickTools Using QuickTools With QuickTools, you can fine-tune your module directly, while keeping an eye on your entire test setup. Note: You can only access QuickTools if the module’s monitor window is selected from the Monitors function tab and is currently active. To start QuickTools: 1. From the Monitors function tab, elect the monitor window of the module you wish to control. 2. Using the arrow button in the upper left corner, select QuickTools.
Monitoring Your Tunable Laser Source Using QuickTools To close QuickTools: Click the Close button located at the top of the window. OR Click outside the QuickTools window. To close a monitor window: Click the button on the upper left of the monitor window and select Remove Monitor. OR Click the Close All button at the bottom of the window.
8 Maintenance To help ensure long, trouble-free operation: Always inspect fiber-optic connectors before using them and clean them if necessary. Keep the unit free of dust. Clean the unit casing and front panel with a cloth slightly dampened with water. Store unit at room temperature in a clean and dry area. Keep the unit out of direct sunlight. Avoid high humidity or significant temperature fluctuations. Avoid unnecessary shocks and vibrations.
Maintenance Cleaning Fixed Connectors Cleaning Fixed Connectors Regular cleaning of connectors will help maintain optimum performance. Do not try to disassemble the unit. Doing so would break the connector. To clean fixed connectors: 1. Fold a lint-free wiping cloth in four to form a square. 2. Moisten the center of the lint-free wiping cloth with only one drop of isopropyl alcohol. IMPORTANT Alcohol may leave traces if used abundantly.
Maintenance Cleaning Fixed Connectors IMPORTANT Alcohol may leave traces if used abundantly. Avoid contact between the tip of the bottle and the cleaning tip, and do not use bottles that distribute too much alcohol at a time. 7. Slowly insert the cleaning tip into the connector until it reaches the ferrule inside (a slow clockwise rotating movement may help). 8 7 9 8. Gently turn the cleaning tip one full turn. 9. Continue to turn as you withdraw the cleaning tip. 10.
Maintenance Cleaning EUI Connectors Cleaning EUI Connectors Regular cleaning of EUI connectors will help maintain optimum performance. There is no need to disassemble the unit. IMPORTANT If any damage occurs to internal connectors, the module casing will have to be opened and a new calibration will be required. To clean EUI connectors: 1. Remove the EUI from the instrument to expose the connector baseplate and ferrule. Turn Pull Push 2. Moisten a 2.
Maintenance Cleaning EUI Connectors 5. Repeat steps 3 to 4 with a dry cleaning tip. Note: Make sure you don’t touch the soft end of the cleaning tip. 6. Clean the ferrule in the connector port as follows: 6a. Deposit one drop of isopropyl alcohol on a lint-free wiping cloth. IMPORTANT Isopropyl alcohol may leave residues if used abundantly or left to evaporate (about 10 seconds). Avoid contact between the tip of the bottle and the wiping cloth, and dry the surface quickly. 6b.
Maintenance Adjusting Your Unit According to Wavelength Adjusting Your Unit According to Wavelength It is possible to introduce an offset in your Tunable Laser Source to correct a wavelength deviation as measured by a reference wavelength meter. Note: A calibrated wavelength meter is required to perform a user calibration on your unit. To adjust your module at a certain wavelength: 1. Turn your Tunable Laser Source on. 2.
Maintenance Adjusting Your Unit According to Wavelength The difference between the pre-selected wavelength and the measured wavelength cannot be greater than ± 0.200 nm. If the difference between the measured and preselected wavelengths is greater than ± 0.200 nm (for example, if you have entered the wrong value), an error message will be generated. IMPORTANT Note that the offset introduced into the Tunable Laser Source with this software feature cannot be disabled.
Maintenance Recalibrating the Unit Recalibrating the Unit Manufacturing and service center calibrations are based on the ISO/IEC 17025 Standard, which states that calibration documents must not contain a recommended calibration interval, unless this has been previously agreed upon with the customer. Validity of specifications depends on operating conditions.
9 Troubleshooting Solving Common Problems If you encounter one of the problems listed below, try to solve it first with the given information. In all cases, if the problem persists after performing a recommended action, contact EXFO immediately. Problem Probable Cause Recommended Action Source appears unstable. Stabilization time Wait at least 60 minutes for was insufficient. optimum stabilization. Tunable Laser Source Reflection is destabilizing the source. Use an optical isolator with your source.
Troubleshooting Viewing Online Documentation Viewing Online Documentation An online version of the IQS-2600B Tunable Laser Source user guide is available at all times from the application. To access the online user guide: Click Help in the function bar.
Troubleshooting Contacting the Technical Support Group Contacting the Technical Support Group To obtain after-sales service or technical support for this product, contact EXFO at one of the following numbers. The Technical Support Group is available to take your calls from Monday to Friday, 8:00 a.m. to 7:00 p.m. (Eastern Time in North America). For detailed information about technical support, visit the EXFO Web site at www.exfo.com.
Troubleshooting Contacting the Technical Support Group You may also be requested to provide software and module version numbers.This information, as well as technical support contact information, can be found in the About function tab. 58 Select the Technical Support tab to view phone numbers and active Internet links to EXFO’s Technical Support Group. Use these links to send an information request by e-mail or to access EXFO’s web site.
Troubleshooting Transportation Transportation Maintain a temperature range within specifications when transporting the unit. Transportation damage can occur from improper handling. The following steps are recommended to minimize the possibility of damage: Pack the unit in its original packing material when shipping. Avoid high humidity or large temperature fluctuations. Keep the unit out of direct sunlight. Avoid unnecessary shocks and vibrations.
10 Warranty General Information EXFO Inc. (EXFO) warrants this equipment against defects in material and workmanship for a period of two years from the date of original shipment. EXFO also warrants that this equipment will meet applicable specifications under normal use.
Warranty Exclusions Exclusions EXFO reserves the right to make changes in the design or construction of any of its products at any time without incurring obligation to make any changes whatsoever on units purchased. Accessories, including but not limited to fuses, pilot lamps, batteries and universal interfaces (EUI) used with EXFO products are not covered by this warranty.
Warranty Service and Repairs Service and Repairs EXFO commits to providing product service and repair for five years following the date of purchase. To send any equipment for service or repair: 1. Call one of EXFO’s authorized service centers (see EXFO Service Centers Worldwide on page 64). Support personnel will determine if the equipment requires service, repair, or calibration. 2.
Warranty EXFO Service Centers Worldwide EXFO Service Centers Worldwide If your product requires servicing, contact your nearest authorized service center. EXFO Headquarters Service Center 400 Godin Avenue Quebec (Quebec) G1M 2K2 CANADA EXFO Europe Service Center Omega Enterprise Park, Electron Way Chandlers Ford, Hampshire S053 4SE ENGLAND EXFO Telecom Equipment (Shenzhen) Ltd. 3rd Floor, Building 10, Yu Sheng Industrial Park (Gu Shu Crossing), No.
A Technical Specifications IMPORTANT The following technical specifications can change without notice. The information presented in this section is provided as a reference only. To obtain this product’s most recent technical specifications, visit the EXFO Web site at www.exfo.com.
Technical Specifications GENERAL SPECIFICATIONS Output fiber type Operating temperature Storage temperature Dimensions (H x W x D) IQS FLS Weight SMF-28 10 °C to 40 °C —10 °C to 50 °C (50 °F to 104 °F) (14 °F to 122 °F) 125 mm x 74 mm x 282 mm 117 mm x 222 mm x 333 mm 1.4 kg (3.1 lb) (4 15/16 in x 2 15/16 in x 11 1/8 in) (4 5/8 in x 8 3/4 in x 13 3/8 in) 3.4 kg (7.4 lb) Instruments Drivers LabVIEW™ drivers and SCPI commands Remote Control With FLS-2600B: GPIB (IEEE-488.1, IEEE-488.2) and RS-232.
Technical Specifications WAVELENGTH Range (nm) Display resolution (pm) Effective spectral linewidth FWHM b (GHz) Repeatability c (pm) Stability c (pm) Uncertainty d (pm) Sweep rate e (nm/s) 10 measurements 1 hour Maximum Minimum Tuning time f (ms) 1510 to 1612 1 1.3 (typical) ±2.5 (6 = 5) ±6 (6 = 12) ±15 50 2 75 (typical) POWER Output power g, h (dBm) Stability c (dB) Repeatability for a wavelength change c (dB) Signal to SSE g, i (dB) ±1 nm from peak with RBW 0.
Technical Specifications GENERAL SPECIFICATIONS Output fiber type Operating temperature Storage temperature Dimensions (H x W x D) IQS FLS Weight SMF-28 10 °C to 40 °C —10 °C to 50 °C (50 °F to 104 °F) (14 °F to 122 °F) 125 mm x 74 mm x 282 mm 117 mm x 222 mm x 333 mm 1.4 kg (3.1 lb) (4 15/16 in x 2 15/16 in x 11 1/8 in) (4 5/8 in x 8 3/4 in x 13 3/8 in) 3.4 kg (7.4 lb) Instruments Drivers LabVIEW™ drivers and SCPI commands Remote Control With FLS-2600B: GPIB (IEEE-488.1, IEEE-488.2) and RS-232.
B SCPI Command Reference This appendix presents detailed information on the commands and queries supplied with your IQS-2600B Tunable Laser Source. IMPORTANT Since the IQS controllers and expansion units can house many instruments, you must explicitly specify which instrument you want to remotely control.
SCPI Command Reference Quick Reference Command Tree Quick Reference Command Tree Command Parameter(s) P. ABORt[1..n] 72 CALibration[1.. n] WAVelength INITiate[1..n] [IMMediate] SOURce[1..
SCPI Command Reference Quick Reference Command Tree Command Parameter(s) REPeat CONTinuous|NCONtinuous REPeat? [SEQuence] INPut 100 STARt M|HZ]>| 101 MAXimum|MINimum|DEFault STARt? [MAXimum|MINimum|DEFault] STOP M|HZ]>| 105 MAXimum|MINimum|DEFault STOP? [MAXimum|MINimum|DEFault] 107 SPEed |MAXimum|MINimum|D EFault 109 SPEed? [MAXimum|MINimum|DEFault] 110 STATe 112 114 TIME? 115 [WIDTh] M|HZ]>|MAXi 116 mum|
SCPI Command Reference Product-Specific Commands—Description Product-Specific Commands—Description :ABORt[1..n] Description This command is used to stop running scan. ABORt is an event and cannot be queried as there is no state associated with it. 72 Syntax :ABORt[1..n] Parameter(s) None Example(s) SOUR:WAV:SWE:REP NCON SOUR:WAV:SWE:DIR BOTH SOUR:WAV:SWE:CYCL 12 SOUR:WAV:SWE:STAR 1523.45NM SOUR:WAV:SWE:STOP 1600.45NM SOUR:WAV:SWE:SPE 25.
SCPI Command Reference Product-Specific Commands—Description :CALibration[1..n]:WAVelength Description This command introduces an offset to correct a wavelength deviation as measured by an external wavelength meter. INITiate[:IMMediate] is an event and cannot be queried as there is no state associated with it. Syntax :CALibration[1..n]:WAVelength Parameter(s) ReadoutValue: The program data syntax for is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :CALibration[1..n]:WAVelength Example(s) SOUR:POW:STATE ON - Wait for the power on operation to be complete. SOUR:WAV:CW 1560E-009 - Wait for one hour. - To recalibrate the complete wavelength range, EXFO recommends using 1560.000 nm as the reference. - In this example, the output wavelength measurement is taken. Supposing that the measurement wavelength is 1560.023, then: CAL:WAV 1560.
SCPI Command Reference Product-Specific Commands—Description :INITiate[1..n][:IMMediate] Description This function starts the sweep program, which performs a sweep from a start wavelength to a stop wavelength, as specified in the sweep parameters. At *RST, a sweep in progress is aborted. Syntax :INITiate[1..n][:IMMediate] Parameter(s) None Example(s) SOUR:WAV:SWE:REP NCON SOUR:WAV:SWE:DIR BOTH SOUR:WAV:SWE:CYCL 12 SOUR:WAV:SWE:STAR 1523.45NM SOUR:WAV:SWE:STOP 1600.45NM SOUR:WAV:SWE:SPE 25.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer:ALC[:STATe] Description This command activates the laser output Automatic Leveling Control (ALC). The source is either in ALC mode or Maximum Power mode. At *RST, the mode is ALC. Syntax :SOURce[1..n]:POWer:ALC[:STATe] Parameter(s) State: The program data syntax for is defined as a element. The special forms ON and OFF are accepted on input for increased readability.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer:ALC[:STATe]? Description This query returns state of the power's Automatic Leveling Control (ALC). At *RST, the power ALC is active. Syntax :SOURce[1..n]:POWer:ALC[:STATe]? Parameter(s) None Response Syntax Response(s) State: The response data syntax for is defined as a element. The response is the current state of the powers ALC.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer[:LEVel] [:IMMediate][:AMPLitude] Description This command sets the source output power level. This value can be set even if the source is off. At *RST, the power level is -8.0 dBm. Syntax :SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer[:LEVel] [:IMMediate][:AMPLitude] Example(s) SOUR:POW:LEV:IMM:AMPL -6.35 SOUR:POW -1.25 Notes This function cannot be performed while the module is sweeping. See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer[:LEVel] [:IMMediate][:AMPLitude]? Description This query returns the current source output power level. At *RST, the output power level is -8.0 dBm. Syntax :SOURce[1..n]:POWer[:LEVel][:IMMediate][:AM PLitude]?[MAXimum|MINimum|DEFault ] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer[:LEVel] [:IMMediate][:AMPLitude]? Response(s) OutputPower: The response data syntax for is defined as a element. The response is the current source output power value in dBm. Example(s) SOUR:POW:LEV:IMM:AMPL -6.35 SOUR:POW:LEV:IMM:AMPL? returns -6.350000E+000 SOUR:POW -.25 DBM SOUR:POW? returns -2.500000E-001 See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer:STATe Description This command turns the optical source on or off. When source is on, the red LED (Active) on the front of the module lights up. At *RST, the power state is off. Syntax :SOURce[1..n]:POWer:STATe Parameter(s) PowerState: The program data syntax for is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:POWer:STATe? Description This query returns a value indicating the state of the optical source (on or off). At *RST, the power state is off. Syntax :SOURce[1..n]:POWer:STATe? Parameter(s) None Response Syntax Response(s) PowerState: The response data syntax for is defined as a element. The response is the state of the source power. 0, the source is off.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength[:CW] Description This command selects the source's output wavelength (in meters) or frequency (in Hz). At *RST, the wavelength is device-dependent. Syntax :SOURce[1..n]:WAVelength[:CW]M|HZ]>|MAXimum|MINimum|D EFault Parameter(s) Wavelength: The program data syntax for is defined as a element followed by an optional element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength[:CW] Example(s) SOUR:WAV 0.00000155 SOUR:WAV 1550NM SOUR:WAV MAX Notes This function cannot be performed while the module is sweeping. See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength[:CW]? Description This query returns the output wavelength of the currently selected source in meters. At *RST, the wavelength is device-dependent. Syntax :SOURce[1..n]:WAVelength[:CW]?[MAXi mum|MINimum|DEFault] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength[:CW]? Example(s) SOUR:WAV? Notes This function cannot be performed while the module is sweeping. See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:MODE Description This command is used to toggle between normal (NORMal) and High Resolution (HRESolution) modes. At *RST, resolution mode is NORMal. Syntax :SOURce[1..n]:WAVelength:MODENORM al|HRESolution Parameter(s) SourceMode: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:MODE? Description This query returns the current source mode. At *RST, resolution mode is NORMal. Syntax :SOURce[1..n]:WAVelength:MODE? Parameter(s) None Response Syntax Response(s) SourceMode: The response data syntax for is defined as a element. The response is the current source resolution mode. NORMal, the source is in Normal operation mode.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep:MODE Description This command allows you to select the sweep mode. At *RST, sweep mode is continuous. Syntax :SOURce[1..n]:WAVelength:SWEep:MODECONTinuous|STEPped Parameter(s) SweepMode: The program data syntax for the first parameter is defined as a element. The allowed elements for this parameter are: CONTinuous|STEPped.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: MODE? Description This query returns the current sweep mode. At *RST, sweep mode is continuous. Syntax :SOURce[1..n]:WAVelength:SWEep:MODE? Parameter(s) None Response Syntax Response(s) SweepMode: The response data syntax for is defined as a element. The response is the current selected sweep mode: CONTINUOUS, the sweep is in Continuous mode.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: CYCLe Description This command specifies the number of cycles you want the sweep program to perform. At *RST, the sweep cycle is set to 1. Syntax :SOURce[1..n]:WAVelength:SWEep:CYCLe|MAXimum|MINimum|DEFault Parameter(s) Cycle: The program data syntax for is defined as a element. The special forms MINimum, MAXimum and DEFault are accepted on input.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: CYCLe Example(s) SOUR:WAV:SWE:REP NCON SOUR:WAV:SWE:CYCL 32 Notes This function cannot be performed while the module is sweeping. To specify whether or not you want the sweep program to loop continuously, use the SOURce[1..n]:WAVelength:SWEep:REPeat command. See Also SOURce[1..n]:WAVelength:SWEep:REPeat SOURce[1..n]:WAVelength:SWEep:REPeat? SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: CYCLe? Description This query returns the number of repetitions set for the sweep program. At *RST, the sweep cycle is set to 1. Syntax :SOURce[1..n]:WAVelength:SWEep:CYCLe?[MAXimum|MINimum|DEFault] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: CYCLe? Response(s) Cycle: The response data syntax for is defined as a element. The response is the current number of repetitions set for the sweep program. Example(s) SOUR:WAV:SWE:REP NCON SOUR:WAV:SWE:CYCL 32 SOUR:WAV:SWEP:CYCL? returns 32 cycles See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: DIRection Description This command controls the direction of the sweep. If ONEWay is selected, the sweep is carried out from STARt to STOP. If TWOWay is selected, the sweep is carried out from STARt to STOP and from STOP to STARt. At *RST, the value of this function is TWOWay. Syntax :SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: DIRection? Description This query returns the direction of the sweep. If ONEWay is returned, the sweep is carried out from STARt to STOP. If TWOWay is returned, the sweep is carried out from STARt to STOP and from STOP to STARt. At *RST, the value of this function is TWOWay. Syntax :SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: DIRection? ONEWAY, the sweep is performed in one direction, from start to stop. TWOWAY, the sweep is performed in two directions, from start to stop to start. 98 Example(s) SOUR:WAV:SWE:DIR TWOW SOUR:WAV:SWE:DIR? returns TWOWAY (the sweep is performed in two directions, from start to stop to start) See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: REPeat Description This command is used to select the sweep looping mode. The module can perform the sweep continuously or execute the sweep according to the number of cycles specified. At *RST, the repeat mode depends on the number of cycles. Syntax :SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: REPeat? Description This query returns the sweep looping mode. The module can perform the sweep continuously or execute the sweep according to the number of cycles specified. At *RST, the repeat mode depends on the number of cycles. Syntax :SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STARt Description This command allows you to specify a start wavelength for the sweep. At *RST, the start wavelength is 1520 nm. Syntax :SOURce[1..n]:WAVelength:SWEep:STARtM|HZ]>|MAXimum |MINimum|DEFault Parameter(s) StartWavelength: The program data syntax for is defined as a element followed by an optional element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STARt DEFault allows the instrument to select a value for the parameter. The parameter is the desired start spectrum value for the sweep. If you do not specify a unit, the device will use the current spectral units (meter or Hz). To select the current spectral units, use the UNIT[1..n]:SPECtrum command. 102 Example(s) SOUR:WAV:SWE:STAR 0.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STARt? Description This query returns the current sweep start wavelength setting. At *RST, the start wavelength is 1520 nm. Syntax :SOURce[1..n]:WAVelength:SWEep:STARt?[MAXimum|MINimum|DEFault] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STARt? Response(s) StartWavelength: The response data syntax for is defined as a element. The response indicates the sweep start wavelength. This value is returned in meters or in Hz, depending on the selected unit. To select the unit, use the UNIT[1..n]:SPECtrum command. 104 Example(s) UNIT:SPEC M SOUR:WAV:SWE:STAR 192.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep:STOP Description This command allows you to specify a sweep stop wavelength setting. At *RST, the stop wavelength is 1570 nm. Syntax :SOURce[1..n]:WAVelength:SWEep:STOPM|HZ]>|MAXimum |MINimum|DEFault Parameter(s) StopWavelength: The program data syntax for is defined as a element followed by an optional element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep:STOP 106 Example(s) SOUR:WAV:SWE:STOP 0.00000155 (if current unit is meter) SOUR:WAV:SWE:STOP 1521.157NM SOUR:WAV:SWE:STOP 192.000 THZ Notes This function cannot be performed while the module is sweeping. See Also SOURce[1..n]:WAVelength:SWEep:STOP? SOURce[1..n]:WAVelength:SWEep:STARt? UNIT[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STOP? Description This query returns the current sweep stop wavelength setting. At *RST, the stop wavelength is 1570 nm. Syntax :SOURce[1..n]:WAVelength:SWEep:STOP?[MAXimum|MINimum|DEFault] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STOP? Response(s) StopWavelength: The response data syntax for is defined as a element. The response indicates the sweep stop wavelength. This value is returned in meters or in Hz, depending on the selected unit. To select the unit, use the UNIT[1..n]:SPECtrum command. 108 Example(s) UNIT:SPEC M SOUR:WAV:SWE:STOP 192.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: SPEed Description This command allows you to select the sweep speed for continuous mode. At *RST, the sweep speed is 15 nm/s. Syntax :SOURce[1..n]:WAVelength:SWEep:SPEed|MAXimum|MINimum|DEFault Parameter(s) Speed: The program data syntax for is defined as a element. The special forms MINimum, MAXimum and DEFault are accepted on input.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: SPEed? Description This query returns the sweep speed for Continuous mode. At *RST, the sweep speed is 15 nm/s. Syntax :SOURce[1..n]:WAVelength:SWEep:SPEed?[MAXimum|MINimum|DEFault] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element. The allowed elements for this parameter are: MAXimum|MINimum|DEFault.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: SPEed? Response(s) Speed: The response data syntax for is defined as a element. The response indicates the current optical wavelength displacement speed in meters/s. Example(s) SOUR:WAV:SWE:SPE 35.455E-9 SOUR:WAV:SWE:SPE? returns 3.545500E-008 See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STATe Description This function starts or stops the sweep program. The sweep program makes the optical wavelength sweep from a start wavelength to a stop wavelength, as specified in the sweep parameters. At *RST, the sweep state in off. Syntax :SOURce[1..n]:WAVelength:SWEep:STATe Parameter(s) State: The program data syntax for is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STATe Example(s) UNIT:SPEC M SOUR:WAV:SWE:REP CONT SOUR:WAV:SWE:STAR 0.000001550 SOUR:WAV:SWE:STOP 0.00000160045 SOUR:WAV:SWE:SPE 12.65e-9 SOUR:WAV:SWE:MODE CONTINUOUS SOUR:WAV:SWE:DIR BOTH TRIG:SEQ:INP DISABLED SOUR:WAV:SWE:STAT ON See Also SOURce[1..n]:WAVelength:SWEep:STATe? SOURce[1..n]:WAVelength:SWEep:MODE? SOURce[1..n]:WAVelength:SWEep:CYCLe? SOURce[1..n]:WAVelength:SWEep:DIRection? SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STATe? Description This query returns a value indicating the sweep program state. At *RST, the sweep state is off. Syntax :SOURce[1..n]:WAVelength:SWEep:STATe? Parameter(s) None Response Syntax Response(s) State: The response data syntax for is defined as a element. The response indicates the current sweep state.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: TIME? Description This query returns the continuous sweep duration. This duration represents the time required to reach the stop point from start point at a specified speed. At *RST, the value is a function of the start point, the stop point and the sweep speed. Syntax :SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STEP[:WIDTh] Description This command allows you to specify the wavelength step for the step-by-step sweep. At *RST, this value is device-dependent. Syntax :SOURce[1..n]:WAVelength:SWEep:STEP[:WIDT h]M|HZ]>|MAXim um|MINimum|DEFault Parameter(s) StepWidth: The program data syntax for is defined as a element followed by an optional element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STEP[:WIDTh] Example(s) SOUR:WAV:SWE:STEP 0.00000001 SOUR:WAV:SWE:STEP 1.6NM Notes This function cannot be performed while the module is sweeping. See Also SOURce[1..n]:WAVelength:SWEep:STEP[:WIDTh ]? SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STEP[:WIDTh]? Description This query returns the current step width for Step-by-Step sweep mode. At *RST, this value is device-dependent. Syntax :SOURce[1..n]:WAVelength:SWEep:STEP[:WIDT h]?[MAXimum|MINimum|DEFault] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: STEP[:WIDTh]? Response(s) StepWidth: The response data syntax for is defined as a element. The response indicates the step width for the sweep program in meters. Example(s) SOUR:WAV:SWE:STEP 10 nm SOUR:WAV:SWE:STEP? returns 1.000000E-008 (in meters) See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: DWELl Description This command allows you to set the time interval between each step of the Step-by-Step sweep mode. At *RST, the time interval between each step is 2 seconds. Syntax :SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: DWELl Example(s) SOUR:WAV:SWE:DWEL 550MS Notes This function cannot be performed while the module is sweeping. See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: DWELl? Description This query returns the time interval between each step of the Step-by-Step sweep mode. At *RST, the time interval between each step is 2 seconds. Syntax :SOURce[1..n]:WAVelength:SWEep:DWELl?[MAXimum|MINimum|DEFault] Parameter(s) Parameter 1: The program data syntax for the first parameter is defined as a element.
SCPI Command Reference Product-Specific Commands—Description :SOURce[1..n]:WAVelength:SWEep: DWELl? Response(s) DwellTime: The response data syntax for is defined as a element. The response is the current time spent between each step in seconds. Example(s) SOUR:WAV:SWE:DWEL 550MS SOUR:WAV:SWE:DWEL? returns 5.500000E-001 See Also SOURce[1..
SCPI Command Reference Product-Specific Commands—Description :TRIGger[1..n][:SEQuence]:INPut Description This command allows you to set the operating mode of the input trigger. The sweep can be started with a trigger pulse at each end of a scan in Continuous mode. In Step-by-Step mode, each step can be started with a trigger pulse. At *RST, the trigger is disabled. Syntax :TRIGger[1..
SCPI Command Reference Product-Specific Commands—Description :TRIGger[1..n][:SEQuence]:INPut? Description This query returns the current state for the input trigger. At *RST, the trigger is disabled. Syntax :TRIGger[1..n][:SEQuence]:INPut? Parameter(s) None Response Syntax Response(s) TriggerMode: The response data syntax for is defined as a element. The response indicates the current operating mode of the trigger.
SCPI Command Reference Product-Specific Commands—Description :UNIT[1..n]:SPECtrum Description This command allows you to set the spectrum units. At *RST, the spectrum unit is set to meters. Syntax :UNIT[1..n]:SPECtrumM|HZ Parameter(s) Unit: The program data syntax for the first parameter is defined as a element. The allowed elements are: M|HZ. The parameter corresponds to the desired spectral unit. 126 Example(s) UNIT:SPEC M See Also UNIT[1.
SCPI Command Reference Product-Specific Commands—Description :UNIT[1..n]:SPECtrum? Description This query returns the current spectrum unit At *RST, the spectrum unit is set to meters. Syntax :UNIT[1..n]:SPECtrum? Parameter(s) None Response Syntax Response(s) SpectralUnit: The response data syntax for is defined as a element. The response is the currently selected spectral unit.
C Trigger Option Theory Your Tunable Laser Source features Trigger In and Out connectors. When the trigger option is set to On, the Trigger In will wait for signals. The Trigger Out is always active and emits a signal for each one-way pass (Continuous mode) or step (Stepped mode) the system performs during the sweep. The synchronization feature uses a TTL, 5 V signal. It is achieved on the signal’s rising edge. The pulse width of the Trigger In signal must be larger than 1 μs.
Trigger Option Theory Trigger Option in Stepped Mode Trigger Option in Stepped Mode The sweep will begin when you press on Start. The system will position itself at the start wavelength and wait for a synchronization signal. Then, the system will wait for a synchronization signal to go to the next step in the sweep. If the synchronization signal arrives before the sweep is completed, it is kept in memory to be used on the next step.
Index Index A About function tab ..................................... 58 adding items on the current lists................. 24 adjusting module by wavelength ................ 52 after-sales service ........................................ 57 application contacting EXFO support from .............. 58 exiting ................................................... 15 starting, single-module.......................... 11 B bidirectional sweep ..................................... 34 Busy, module status .........
Index I O identification label ...................................... 57 identification, slot ....................................... 13 increment selection ..................................... 21 inserting a module ........................................ 7 online user guide......................................... 56 opening monitor window............................ 42 L label, identification ..................................... 57 LabVIEW drivers ............................................
Index selecting display unit ............................................ 19 from a stored list ................................... 23 increments............................................. 21 power .................................................... 22 wavelength............................................ 20 serial number, module ................................ 58 service and repairs....................................... 63 service centers .............................................
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MARKING REQUIREMENTS 㪖㽷尐㻑 Product Environmental protection use period (years) Logo ℶ❐ 䘾⬒≬㔳∎䞷㦮棟 ( ) 㪖㉦ This Exfo product 㦻 EXFO ℶ❐ Batterya 䟄㻯 a a. If applicable.
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