TW7000-MSOP TW7000 HF TRANSCEIVER OPERATOR MANUAL Datron World Communications Inc. Manual Part No. TW7000-MSOP Release Date: June 2001 Revision: F 3030 Enterprise Court Vista, CA 92083, U.S.A Phone: (760) 597-1500 Fax: (760) 597-1510 E-mail: sales@dtwc.com www.dtwc.
© 2001 Datron World Communications Inc. (Datron) All rights reserved. Datron World Communication Inc. This manual, as well as the software described in it, is furnished under license and may only be used or copied in accordance with the terms of such license. The information in this manual is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Datron.
THEREIN, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND DATRON EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED HEREIN. Limitations of Warranty: This warranty does not cover: Physical damage to the equipment or its parts that does not involve defects in design, material, or workmanship, including damage by impact, liquids, temperature, or gases.
CONTENTS Section 1: Introduction General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TW7000 HF SSB Transceiver . . . . . . . . . . . . . . . . . . . . Description of Equipment . . . . . . . . . . . . . . . . . . . . . . . . TW7000 Technical Specifications . . . . . . . . . . . . . . . . . TW7000 Variations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conventions . . . . . . . . .
Customizing Channel and Frequency . . . . . . . . . . . . . . Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Placing an ALE Call . . . . . . . . . . . . . . . . . . . . . . . . . . . Placing a TransAdapt, Transcall, or Selcall . . . . . . . . . Activating the Noise Blanker . . . . . . . . . . . . . . . . . . . . Activating Voice Enhancement . . . . . . . . . . . . . . . . . . Activating Encryption. . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 1: INTRODUCTION General The Datron World Communications Inc. (DWC) TW7000 HF SSB Transceiver is an advanced transceiver that provides a complete range of both voice and data operation over the entire 1.6 to 30 MHz HF spectrum. The TW7000 is microprocessor-controlled and features a state-of-the-art DDS-based synthesizer for extremely fast switching applications.
Description of Equipment The TW7000 includes the basic receiver/transmitter unit and accessories. The accessories are a dc power cable (C991829), an operator manual (TW7000-MSOP), and two spare dc 25A fuses (550011). The TW7000 is powered from any dc source that provides 13.8V at a maximum of 25A. Good performance is achieved when the input voltage is in the range of 11 to 15.5V.
Table 1-1 TW7000 Technical Specifications Characteristic Specification Input Power Protection Size (H x W x D) Reverse polarity, transient and under/over voltage 4 in. x 13 in. x 17 in. (10.2 cm x 33 cm x 43 cm) 21 lbs. (9.
Table 1-1 TW7000 Technical Specifications Characteristic Specification Storage Temperature -40° to +70°C Shock and Vibration Per MIL-STD-810E Note: Specifications are subject to change without notice or obligation. TW7000 Variations This manual includes the information necessary to operate any variations of the TW7000. Options described in this manual may not be available on your transceiver. For more information about TW7000 variation, contact DWC.
TW7000TX: The TW7000TX is a transmitter only. It includes the full transmitter functions of the TW7000, excluding the receiver features. TW7000 Internal Options Several internal options are available for the TW7000. These include the following: 7000ACH: Increases operational channels to 1000. 7000ALE: Automatic link establishment (ALE) includes link quality analysis, auto linking, sounding, and order-wire message transmission and reception.
Conventions This manual uses the following typographical conventions: Bold type is used to denote all items that display on the front panel and for any button that is pressed. For example: 1. Press C, 041, and E. Display: CH FREQ 041 13.330,000 MHz RX 2. Press ALPHA and 17. 3. Press STATUS.
SECTION 2: INSTALLATION Introduction This section contains information necessary to install the TW7000 in its operating environment. Power, antenna, and accessory connections are discussed. System diagrams are provided to show the proper connections to a variety of accessories. Type of Installation The TW7000 can be installed in a variety of different ways.
The pin assignments for the input power connector are as follows: Pin Number Description 1 Return (ground) 2 12 Vdc The dc power connection between the TW7000 and its power source should always be made as short as possible. If a DWC power cable is not available, the following cables should be used: 14 AWG for runs to 3 feet, 12 AWG for runs to 9 feet, or 10 AWG for longer runs. The fuse holder (pin 346877) on the back panel contains a 25A, 3-AG fuse, and a spare fuse of the same value.
rect mating connector. To use other low-level audio accessories, the correct mating connector can be obtained from DWC. The pin assignments for the two connectors are as follows: Pin Number Description 1 2 Ground RX audio (unmuted) 3 PTT 4 5 TX audio CW key line 6 +12 Vdc Accessory Connections DWC has a variety of external accessories for use with the TW7000. For some of these accessories and their control cabling, refer to the Control Cabling Accessories figure on page 2-12.
Table 2-1 Accessory Connector 1 Pinouts Pin Number Description 10 AUXPTT\ 11 12 Select Busy 13 +12V ACC 14 15 EXTCWKEY (external CW key) Strobe 16 Data 0 17 18 19 Data 1 Data 2 Data 3 20 Data 4 21 22 Data 5 Data 6 23 Data 7 24 25 ACK (acknowledge) DI/OSEL Table 2-2 Accessory Connector 2 Pinouts 2-4 Pin Number Description 1 2 3 4 5 6 7 8 9 10 11 12 Ground Ground PWRON\ ATUINIT (tune initiate) ATUKEY (tuner key line) BALRXA1 (balanced RX audio) BALRXA2 (balanced RX audio) BALTXA1 (b
Table 2-2 Accessory Connector 2 Pinouts Pin Number Description 13 +12V ACC 14 15 Ground EXTCWKEY (external CW key) 16 ACHKTUNE (tuner check tune) 17 18 ADATA (tuner data) ACLOCK (tuner clock) 19 ASTROBE (tuner strobe) 20 21 22 TC/SCALM (alarm) RETX\ (retransmit) EXTSPKR (speaker audio) 23 SQA (squelch audio) 24 25 +12V ACC +12V ACC Table 2-3 Accessory Connector 3 Pinouts Installation Pin Number Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Ground Ground FILTG\ AMPALC (external ampli
Table 2-3 Accessory Connector 3 Pinouts Pin Number Description 16 KBCLK (keyboard clock) 17 KBRXD (keyboard RX data) 18 19 KBTXD (keyboard TX data) ATURX (tuner RX data) 20 ATUTX (tuner TX data) 21 22 ATUSP1 ATUSP2 23 ATUSP3 24 25 +12V ACC +12V ACC Connector Pinouts for Accessories This section discusses the individual accessories that can be used with the TW7000 including their pinouts. External Encryption An embedded encryption board (7000ENCR option) can be installed into the TW7000.
Telephone Couplers Telephone couplers like the TW5810 or TW5850, use either Accessory 1 or Accessory 2. The appropriate pins are as follows: Pin Number Description 1 6 Ground BALRXA1 (balanced RX audio) 7 BALRXA2 (balanced RX audio) 8 9 BALTXA1 (balanced TX audio) BALTXA2 (balanced TX audio) 10 AUXPTT\ 13 +12V ACC EIA Data Interface Standards The TW7000 interfaces with a variety of data communications equipment (DCE) or data terminal equipment (DTE) using EIA standards RS232, RS422, or RS485.
Pin Number Description 4 ATUINIT (tune initiate) 5 ATUKEY\ 16 17 ACHKTUNE (tuner check tune) ADATA (tuner data) 18 ACLOCK (tuner clock) 19 24 ASTROBE (tuner strobe) +12V ACC (1.
External Printers A standard parallel printer is plugged into Accessory 1 and used to obtain a hard copy of text messages stored in the transceiver.
BROADBAND ANTENNA TW7000 TRANSCEIVER AW7 WHIP ANTENNA TW1000B AMPLIFIER AT7000B ANTENNA TUNER C991938 PS1000SWA TW500B AMPLIFIER 12VDC POWER SOURCE SWR1000 C991829 TW7201E REMOTE CONTROL CONNECTS ONLY TO THE TW7000E TWPP PORTABLE POWER SOURCE DM MICROPHONE C991830 C991890 REMOTE CONTROL DM MICROPHONE PF3000 VOICE/CW POWER SUPPLY For FSK & ISDN C991829 PF7000 HEAVY-DUTY VOICE/FSK POWER SUPPLY C991879 (C992094 for TW5850) TW5810/5850*/5880 TELEPHONE COUPLER *No AC for 5850 Figure 2-1 Power
TW7000 TRANSCEIVER BROADBAND ANTENNA TW110A HIGH SPEED MODEM 115/230 VAC 50/60 Hz TW5300 DATA MODEM AW7 WHIP ANTENNA TW1000B AMPLIFIER BROADBAND ANTENNA AT7000B ANTENNA TUNER C991559 C991539 C991526 RA-PAS ANTENNA C991526 BROADBAND ANTENNA RAT1000 ANTENNA TUNER TW500B AMPLIFIER C991539 RF OUT SO1 Figure 2-2 RF Cabling Accessories Installation 2-11
TW110A HIGH SPEED MODEM BROADBAND ANTENNA TW7000 TRANSCEIVER AW7 WHIP ANTENNA TW5300 DATA MODEM 115/230 VAC 50/60 Hz C992143 AT7000B ANTENNA TUNER TW1000B AMPLIFIER 12 Vdc RAT1000 ANTENNA TUNER DM MICROPHONE TW500B AMPLIFIER C991830 (E) DM MICROPHONE TW7201E REMOTE CONTROL C992307 TW5300 MODEM REMOTE CONTROL DC Data Radio STANDARD PC or LAPTOP COMPUTER TW5810/5850*/5880 TELEPHONE COUPLER (C991897 for TW5810) (C992094 for TW5850) (C991965 for TW5880) *No AC for 5850 Figure 2-3 Control Cabl
External Speaker An external loudspeaker can be attached to the transceiver at Accessory 2 using the following pins: Pin Number Description 14 22 Ground EXTSPKR (speaker audio) External High-Power Amplifiers The TW7000 interfaces with all existing DWC high-power RF amplifiers at Accessory 3 using the following pins: Pin Number Description 1 Ground 2 3 Ground FILTG\ 4 5 AMPALC (external amplifier ALC line) AMPPTT\ 6 7 8 FLTA (low-pass filter select line) FLTB (low-pass filter select line) FLTC (
Extended Front Panel Control The front panel of the TW7000 can be removed from the body of the transceiver and replaced with a line driver panel (TW7000E). This variation of the radio is used to remotely control operations from distances up to 50 feet. FSK and ISDN Remote Control DWC offers two separate remote control heads. The TW7201F and the TW7201I can be used to control the transceiver from longer distances.
Figure 2-4 TW7000 Back Panel Installation 2-15
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SECTION 3: OPERATION Powering the TW7000 The Power/Volume knob is used to turn on the TW7000. When the radio is on, the version level of the software displays. Display: TW7000 VER701xx (where xx is the version level) The BITE system runs automatically and verifies that the boards are functional. Display: TW7000 MODULES The BITE system searches for any installed options.
Knobs, Buttons, and Indicators The front panel of the TW7000 is designed to be easy to use. Knobs, buttons, and indicators on the display are used to guide operation. Advanced features are easily accessed from menus. Power/Volume Knob The OFF/POWER/VOL control is a rotary knob with power off in the full counterclockwise position. The speaker volume is increased by turning the knob in a clockwise direction.
To enter a space, press any bracketed key followed by 0. To delete a character, use the left and right arrows to position the cursor and press the C button. All trailing characters move to the left. The up and down arrows are used to scroll through the menu selections. These arrows convert to left and right scrolling when editing in the text message mode. The scrolling rate remains constant for the duration of time an arrow button is held down.
Mode Description USB PCS Same as USB mode with addition of the carrier in transmit mode at a level of -16 dB relative to PEP The modes display if the option is installed. The mode buttons are disabled if the Lockout or Frequency Blank functions are turned on. For information on these functions, refer to the Alpha Menu section on page 3-7. Scan Group Button A scan group is a collection of channels grouped together.
Call Button The CALL button initiates a call sequence in the ALE option or in the Transcall, Selcall, or TransAdapt option. If these options are not installed or if they are turned off, this button is disabled. For information on placing ALE calls, refer to the Placing an ALE Call section on page 3-20. For information on placing Transcall, Selcall, or TransAdapt calls, refer to the Placing a TransAdapt, Transcall, or Selcall section on page 3-21.
period of 10 seconds. For more information on these internal options, refer to the TW7000 HF Transceiver Technical Manual (TW7000MS). RF Power Level The RF PWR button allows scrolling through the L (low), M (medium), and H (high) power settings. Default settings for the RF power levels are listed below.
2. Enter the new priority channel number and press E. Display: PRIORITY CHANNEL xxx (where xxx is the new channel number) The TW7000 reverts to the new priority channel whenever the PRI button is pressed. Alpha Menu The Alpha menu is used to set and adjust the TW7000 default parameters specific to the 7000TC option (Transcall, Selcall, and TransAdapt). The Alpha menu includes the ALE submenu, it is used to change settings specific to the ALE option (7000ALE).
Table 3-1 Alpha Menu 3-8 Function Description 11 SET ALARM 12 Time and date display 13 TA/TC/SC Rx ADDR (TransAdapt/Transcall/Selcall RX address) 14 TRANSADAPT BER NUM (TA bit error rate number) 15 SCAN GROUP NUMBER (for non-ALE) 16 TA/TC/SC/ Tx ADDR (TransAdapt/Transcall/Selcall TX address) 17 ALE submenu 18 RECEIVE SET Rx/Tx (activated TX operation) 19 RF POWER ATU SET (tune power set) 20 BITE TEST INITIATED 21 OPTION 1 TYPE 22 COM 1 BAUD (comport 1 configuration) 23 COM 2 BAU
(1) OPTION is not used. (2) SCAN SET CHANNEL selects the scan group (selected using Alpha 15) to be customized. For information on customizing a scan group, refer to the Customizing a Scan Group section on page 3-19. (3) SCAN RATE sets the rate at which channels within a selected scan group (selected using Alpha 15) are scanned. A speed between 1 and 30 seconds per channel can be entered. (4) PRIORITY CHANNEL changes the channel number of the priority channel. The default setting is channel 001.
(13) TA/TS/SC Rx ADDR identifies the address for your station. The current address displays briefly. Numbers from 001 to 255 are available. This number is usually the last three digits of the serial number. (14) TRANSADAPT BER NUM sets the bit error rate (BER) for evaluating channel performance. The higher number corresponds to the better performing channel. The default BER setting is 70. (15) SCAN GROUP NUMBER selects a particular scan group.
(25) FREQ INC HZ determines how much a frequency increments or decrements each time an arrow button is pressed. This is used when the frequency value is being changed. Available increments are between 1 Hz and 10 MHz. The default setting is 100 Hz. (26) TEST REAR PANEL I/O tests the back-panel accessory connectors. This is for factory use only. (27) ENC PASSWORD accesses the Encryption menu if the 7000ENCR option is installed.
1. To access the ALE submenu, press ALPHA, 17, and E. There are two ways to move through the ALE submenu: 1. Press the desired function number and press E. 2. Use the arrow buttons to scroll to the function and press E. Once a function is entered, the arrows are used to scroll through any further settings within that function. Pressing E accepts any entered information.
Table 3-2 ALE Submenu Function Description 22 ERR THRSD (error threshold) 23 MESSG OUT (message out) 24 NEW MESSG (new message) 25 MESSG IN (message in) 26 HANDSHAKE 27 NET ADRS (network address) 28 NET NAME (network name) 29 NET SLOT (network slot) 30 NET OTHER (network other) 31 EXIT MENU (1) SCAN RATE controls the rate at which scanning proceeds. The arrow buttons toggle between 2 and 5 channels per second. The number to the left of the scan rate refers to the option.
(7) OTHR ADRS selects and reviews other addresses (where messages are to be sent). Enter a number (from 00 to 99) to be assigned an address or an existing number to review or change. (8) OTHR NAME allows a new or different name, for the other address selected in (7) OTHR ADRS, to be entered. Any existing other address name displays briefly. Use the alpha characters on the keypad to enter from 3 to 15 characters (no spaces or punctuation).
(20) BER THRSD controls the bit error rate threshold (00-48) for received ALE words. A threshold of 00 would allow for no errors, while a threshold of 48 would be the maximum amount of allowable errors. The default setting is 48 errors. (21) GOLAY THD controls the error correcting capability threshold (0-4). A value of 0 would allow for no corrections, while a value of 4 would be the maximum amount of corrections allowable. The default setting is 3 errors.
Customizing Channel and Frequency The TW7000 associates a frequency, mode, clarifier status, and offset value (if on) to each channel number. These can be different for each channel and are recalled whenever that channel number is entered. Once frequencies are set to channels, channels can be placed in scan groups. Note: Scan groups are defined by channel number, not by frequency. Changing the frequency of a channel also changes the frequency of that channel within each scan group.
Example: To change the frequency of channel 041 from 13.330,000 MHz to 8.572,000 MHz: 1. Press C, 041, and E. Display: CH FREQ 041 13.330,000 MHz Rx 2. Press F, 8.572, and E. Display: CH FREQ 041 8.572,000 MHz Rx Assigning Semi-duplex Frequencies To select the channel and assign a new frequency: 1. Press C, enter the 3-digit channel number, and press E. 2. Press F. Display: xx. xxx, xxx Rx 3. Enter the receive frequency and press E. 4. Press F twice. Display: xx. xxx, xxx Tx 5.
Display: 041 29.300,000 Tx Note: Entering numbers after pressing F edits the existing frequencies. RX-Only Channels To automatically limit a channel to receive-only operation, use Alpha 8. To convert the channel back to a standard RX/TX channel, use Alpha 18. Frequency Scrolling Displayed frequencies can be changed by pressing F and using the up arrow button to increase the frequency and the down arrow button to decrease the frequency.
Selecting a Scan Group A scan group must be selected before customizing can be performed. Use the following procedure to select the scan group: 1. Do one of the following: If ALE is ON, press SCAN GROUP or select (2) SCAN GRP from the ALE submenu. If ALE is OFF, press SCAN GROUP or ALPHA, 15, and E. Display: SCAN GRP xxx 2. Use the arrow keys to scroll to the desired scan group number or use the keypad to enter the scan group number. 3. Press E. The newly selected scan group briefly displays.
2. Enter the number of the channel to add and press E. 3. When the scan group is configured properly, press E to accept the changes and exit this menu. It is also possible to simultaneously delete and enter a different singledigit channel by writing over the contents of an existing channel. This is done by scrolling to the channel, pressing the single digit number of the channel to add, and pressing E. To Start and Stop Scanning Press SCAN to start scanning within the selected scan group.
7. Scroll to find the destination address and press CALL. Display: FR-xx (where xx is the self address number) 8. Scroll to find and display the self address and press CALL. Display: AMD message (automatic message display) 9. Scroll to find a previously composed message number, or select NO AMD MSG if there is no message to send. 10. Press CALL to attempt the ALE call.
Before initiating TCSC operations, the TW7000 must be assigned a call code (001-225). This is the call code that other stations use to contact this transceiver. 1. Press ALPHA, 13, and E. Display: TA/TC/SC Rx ADDR xxx 2. Enter the receive call code and press E. The number must be from 001-255 and not assigned to another transceiver. Display: xxx (briefly displays the new receive code) Selcall: To start a call with Selcall, the TW7000 must be set to a fixed channel (not scanning) and a call initiated. 1.
6. Press CALL again. The TW7000 is now under full control of the Transcall circuit. The TW7000 starts transmission on each of the ten channels until it is synchronized with the station being called. When synchronized, both transceivers step through each channel by making a short transmission until the best available channel is reached. Once the best channel is reached, the TW7000 sounds an alarm indicating a successful Transcall connection.
Activating the Noise Blanker The Noise Blanker option (7000NB) is an impulse-type used in highnoise environments. To activate the Noise Blanker, the appropriate icon must be turned on. 1. Press OPTION until the NB icon flashes. 2. Press STATUS to turn the option ON. Activating Voice Enhancement The DSP-based Voice Enhancement option (7000VEM) suppresses various types of noise and interference on voice communications. The 7000VEM has two modes of operation.
SECTION 4: SERVICING General Detailed servicing information is beyond the scope of this manual and only experienced personnel should make adjustments or attempt any serious service work. Reference to the TW7000 HF Transceiver Technical Manual (TW7000-MS) is essential. The TW7000 is of modular construction. If spare boards are available, non-technical personnel are able to repair most faults in the field.
All boards, with the exception of the power amplifier, filter, and front panel, are plug-in board assemblies and are easily accessible from the top of the radio. The front panel assembly is attached to the TW7000 with two screws and a single-ribbon cable.
Part Number Description 001-00320 RF Filter Board 001-00410 Power Supply 001-00600 Audio Board 001-00710 75 MHz IF Board 001-00800 5 MHz IF Board 001-00901 Synthesizer Board 001-01100 Processor Board 001-01200 Squelch Board DWC offers the following maintenance tools to facilitate servicing the TW7000.
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