VHF FM TRANSCEIVER DJ-175 T/E/TFH Instruction Manual Thank you for purchasing your new Alinco transceiver. This instruction manual contains important safety and operating instructions. Please read this manual carefully before using the product and keep it for future reference. ALINCO, INC.
NOTICE / Compliance Information Statement NOTICE / Compliance Information Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
NOTICE / Compliance Information Statement Conformity Information Alinco, Inc.
Warning Warning To prevent any hazard during operation of Alinco's radio product, in this manual and on the product you may find symbols shown below. Please read and understand the meanings of these symbols before starting to use the product. d Danger d Alert d Caution d a m This symbol is intended to alert the user to an immediate danger that may cause loss of life and property if the user disregards the warning.
Warning j and/or damage to the product(s). Risk of explosion if battery is replaced with an incorrect type. a Dispose of, or recycle used batteries according to your local regulations. The manufacturer declines any responsibilities against loss of life and property due to a a failure of this product when used with or as a part of a device made by third parties. Use of third party accessory may result in damage to this product. It will void a our warranty for repair.
Warning j Do not handle a power supply with a wet hand. It may result in electric shock. Securely plug the power supply to the wall outlet. Insecure installation may a result in short-circuiting, electronic shock and/or fire. Do not plug the power supply into the wall socket if the contacts are dirty. j Short-circuit and/or overheating may result in fire, electric shock and/or damage to the product. j fire, electric shock and/or damage to the product.
Warning d Caution ■ Environment and condition of use Do not use the product in proximity to a TV or a radio. It may cause interference or receive interference. j Do not install in a humid, dusty or insufficiently ventilated place. It may result j in electric shock, fire and/or malfunction. Do not install in an unstable or vibrating position. It may result in electric j shock, fire and/or malfunction when/if the product falls to the ground.
Warning ■ Lightning Any person is not safe outdoor during thunderstorm and lightning. This condition is getting worse if somebody keeps a hand-held radio; chances of being hit by lightning are doubled since lightning may hit a radio antenna as well. At this time, there is no handheld radio having any kind of protection against lightning current (which is higher than 10 kA.). Note also that no car provides adequate protection of its passengers or drivers against lightning as well.
Introduction Introduction Thank you very much for purchasing this excellent Alinco transceiver. Our products are ranked among the finest in the world. This radio has been manufactured with state of the art technology and it has been tested carefully at our factory. It is designed to operate to your satisfaction for many years under normal use. PLEASE READ THIS MANUAL COMPLETELY TO LEARN ALL THE FUNCTIONS THE PRODUCT OFFERS.
Contents Contents NOTICE / Compliance Information Statement ................................................2 Warning...............................................................................................................4 Introduction ........................................................................................................9 Contents ...........................................................................................................10 1.Features ................................
Contents 4.7 Receiving ............................................................................................................28 4.7.1 Monitor Function........................................................................................28 4.8 Transmitting .......................................................................................................28 4.8.1 Selecting the Output Level .........................................................................29 5.Useful Functions .............
Contents 7.Special Functions..........................................................................................40 7.1 Battery Refresh ...................................................................................................40 7.2 Repeater-Access..................................................................................................40 8.Set Mode........................................................................................................41 8.1 Set Mode Operation ........
1.Features 1. Features This transceiver has the following main features. ■ 39 CTCSS tone squelch ■ 104 DCS digital code squelch ■ Time-Out-Timer ■ Alphanumeric display ■ 4 tone-burst tones (1750, 2100, 1000, 1450Hz) ■ 9 auto dial memories easily accessed from the DTMF keypad with 1 redial function ■ Direct frequency entry from the DTMF keypad ■ A quick "Repeater-Access" function ■ Refresh function for rechargeable battery reconditioning ■ Cable Cloning ■ 3 levels of output power (5/2/0.
2.Accessories 2. Accessories 2.1 Installations 2 2.1.1 Antenna ■ Attaching the Antenna 1. Hold the antenna by its base. 2. Align the grooves at the base of the antenna with the protrusions on the antenna connector. 3. Slide the antenna down and turn it clockwise until it stops. 4. Confirm that the antenna is securely connected. NOTE: This antenna has been designed very flexible. It is softer than conventional ones but not a defect. ■ Removing the Antenna Turn the antenna counter-clockwise to disconnect.
2.Accessories 2.1.3 Belt Clip ■ Attaching the Belt Clip Attach the belt clip to the back of the transceiver until it clicks. Belt clip Catch 2 ■ Removing the Belt Clip Push up the catch of the belt clip, and pull it. Belt clip Catch 2.1.4 Battery Pack For the specifications and the charging procedures, please refer to "Battery Packs"(page 52) and "Using the Chargers"(page 53).
2.Accessories Caution 2 16 • The battery pack isn't fully charged when shipped. It must be charged before use. • Charging should be conducted in a temperature range of 0ºC to +40ºC (+32ºF to +104ºF). • Don't modify, dismantle, incinerate or immerse the battery pack in the water as this can be dangerous. • Never short-circuit the battery pack terminals, as this can cause damage to the equipment or lead to heating of the battery which may cause burns.
2.Accessories 2.1.5 Prevent Short Circuiting the Battery Pack Be extra cautious when carrying the rechargeable battery pack; short circuiting will produce surge current possibly resulting in fire. 2 DON'T carry with metals of any type, e.g. chains. DON'T carry the battery pack inside bags made of conductive materials. Do enclose inside a non-conductive enclosure. (bags or handkerchief made only of non-conductive material) DON'T place in the proximity of metals or conductives, e.g. nails, chains.
3.Names and Operations of Parts 3. Names and Operations of Parts 3.
3.Names and Operations of Parts ① SMA Antenna Connector ② PTT key ③ Speaker ④ Microphone ⑤ TX/RX lamp ⑥ Display (LCD) ⑦ FUNC key ⑧ MONI key ⑨ Power key ⑩ Keypad ⑪ Microphone/ Speaker jack ⑫ Dial Attach the whip antenna. If you plan to use an optional antenna, select one that is tuned to the operating frequency. Press the PTT key to transmit, release to receive. A speaker is built in. Speak into the microphone from a distance of about 5cm (2"). Lights green when the squelch is unmuted.
3.Names and Operations of Parts 3.2 Keypad 3 key Without pressing the FUNC key. While appears after the FUNC key is pressed. Inputs* 1. Channel step setting (page 24). Inputs 2. Offset frequency setting (page 24). Inputs 3. Time-Out-Timer setting (page 33). Inputs 4. Tone Encode/Tone Squelch setting (page 35). Inputs 5. Hi/Mid/Low power setting (page 29). Inputs 6. Auto-Power-Off setting (page 33). Inputs 7. DCS (digital code squelch) setting (page 36). Inputs 8.
3.Names and Operations of Parts 3.3 Display (LCD) ① ②③④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ 3 ⑬ ⑭⑮ ⑯ ⑰ ① Appears when the FUNC key is pressed. ② Indicates the shift (+/-) direction. ③ Appears when setting the CTCSS tone encoder. ④ Appears when setting the tone squelch. ⑤ Appears when setting the DCS. ⑥ Displays the frequency and scan operation. ⑦ Displayed when the frequency or the keypad is locked. ⑧ Appears when the Repeater-Access function is activated.
4.Basic Operation 4. Basic Operation 4.1 Turning On the Power Hold the key down for a second. To turn off the power, hold the the display turns off. 4 key down until 4.2 Adjusting the Audio Output (Volume) • There are 21 audio output levels (00~20). • The default setting is level 00. There is no audio output at this status. 1. Press the key. The level is displayed on the LCD. 2. Rotate the dial to increase or decrease the level. As the setting value increases, the audio becomes louder. 3.
4.Basic Operation 4.4 Setting the Frequency in the VFO Mode The factory default of this unit is the VFO mode. The VFO mode allows you to change the frequency and operating parameters by using the dial and key operations. 4.4.1 Setting the Frequency ■ To Select the VFO Mode The key switches between the VFO and Memory mode each time the key is pressed. " " is displayed on the LCD when the unit is in the Memory mode.
4.Basic Operation Tuning step 5.0kHz 10.0kHz 12.5kHz 15.0kHz 20kHz 25kHz 30kHz Entry completion digit Final digit selection 1kHz Accept 0 or 5 as valid number. Accept any of 0 to 9 keys. 10kHz 10kHz When you input the 10kHz digit, the 1kHz digit is set automatically as follows. 0---00.0, 1---12.5, 2---25.0, 3---37.5, 4---invalid, 5---50.0, 6---62.5, 7---75.0, 8---87.5, 9---invalid Accept 0 or 5 as valid number. 1kHz Auto-complete after the 10kHz digit entry.
4.Basic Operation 2. Each time the key is pressed the shift direction changes as indicated below. A (-) means that the TX frequency is lower than the RX frequency. A (+) means vice versa. -0.600 +0.600 OST-OF 3. Rotate the dial while the shift frequency is being displayed. Clockwise: each click increases the frequency by one tuning step. Counter-clockwise: each click decreases the frequency by one tuning step. Press the FUNC key and rotate the dial to increase or decrease the frequency in 1MHz steps. 4.
4.Basic Operation 4.5.2 Recalling a Memory Channel 1. Select the Memory mode by pressing the key. " " and channel number appear on the display to indicate that the unit is in the Memory mode. Repeat to switch between the Memory and VFO modes. 2. Select a memory channel. Rotating the main dial will increase or decrease a memory channel number. 4.5.3 Deleting a Memory Channel 1. Select the Memory mode by pressing the key. 2. Rotate the dial to select the memory channel No. that you wish to delete. 4 3.
4.Basic Operation 4.5.5 Programmable Parameters in Memory Channels The following parameters can be stored in each of the memory channels.
4.Basic Operation 4.7 Receiving 1. Turn on the unit. 2. Press the key and rotate the dial to adjust the audio level as necessary. 3. Press the key and rotate the dial to adjust the squelch level. 4. Select the frequency that you wish to operate by using the dial or the keypad. When a signal is received on the frequency that you selected, and S-meter are displayed on the LCD, then the received signal can be heard. The green RX indicator also lights at this time. 4 4.7.
4.Basic Operation 4.8.1 Selecting the Output Level Press the FUNC key, and while is displayed on the LCD, press the key to switch transmission power output. The display changes as follows depending on the output level selected: • is displayed with on the power meter. (Low power output) • is displayed with on the power meter. (Middle power output) • Nothing is displayed with on the power meter. (High power output) The initial setting is low power.
5.Useful Functions 5. Useful Functions 5.1 Scan Modes The scan function automatically searches the receiving signals. There are 2 modes for scan-resume condition. • Busy Scan: The scan stops when a signal is detected, stays until the signal is gone then resumes scanning. • Timer Scan: The scan stops when a signal is detected, and resumes scanning after 5 seconds regardless of receiving status. During scanning, the 1MHz decimal point ( ) on the frequency display flashes.
5.Useful Functions 5.1.3 Setting Skip Channels You can select the memory channels that you wish to skip during the memory-scan. • Press the FUNC key in the Memory mode, and while is displayed, press the key to set the currently selected memory channel as a skip channel. Use the same procedure to clear the skip channel setting. • The 10MHz decimal point appears for memory channels that are set as skip channels. NOTE: The Call channel and Repeater-Access memory are automatically skipped during scanning. 5.
5.Useful Functions 5.4 Naming Memory Channels In the Memory mode, it is possible to display up to 6 alphanumeric characters (Nametag) instead of conventional frequency display. 5.4.1 Setting Name-Tag 1. Select the memory channel. 2. Press the FUNC key, and while is displayed press the key. 3. [A ] flashes on the display. 4. Rotate the dial to select a character to be the first digit. 5. Press the flashing. 5 key to input the next character. The previous character will stop 6.
5.Useful Functions 5.5 Auto-Power-Off (APO) This function prevents an useless battery consumption. 5.5.1 Setting APO Press the FUNC key, and while is displayed on the LCD, press the key. is displayed on the LCD, and the Auto-Power-Off function is set. Repeat the same to turn it off. • The initial setting for the APO function is off. 5.5.2 APO Operation • After having activated the APO and about 30 minutes elapse without any key-operation, the unit turns off automatically alerting with beep sounds.
5.Useful Functions 5.7 Lamp Press the FUNC key, and while is displayed on the LCD, press the MONI key to illuminate the display and DTMF keypad. • The backlight automatically switches off if there is no key operation for 5 seconds. • Pressing any key other than the LAMP key extends the LAMP function for another 5 seconds. • Turning on the power while pressing the MONI key illuminates the backlight permanently. Repeat the same to turn it off.
6.Selective Calling 6. Selective Calling ■ Selective Calling Operations • To communicate only with selected stations, use either the Tone Squelch or the DCS function. The Tone Squelch function unmutes the squelch only when a signal added with one of the matching 39 CTCSS tone frequencies is received. • The DCS function unmutes the squelch only when a signal added with one of matching 104 digital codes is received. • It isn't possible to use the Tone Squelch and DCS functions at the same time. 6.
6.Selective Calling 6.1.2 Switching Off the Tone Squelch Press the key in Tone Squelch Setting mode to select TCS-OF, then press any key other than the MONI key to complete the setting. 6.1.3 To Differentiate the ENC/DEC Tones It is possible to set the encode and decode tones independently in the Tone Squelch Setting mode. • To set the encode tone, when displayed, select a desired tone. The decode tone is set automatically to the same tone.
6.Selective Calling 6.2.2 Changing the DCS Code 1. Rotate the dial in DCS Code Setting mode (while " " is displayed). 2. Press any key other than the MONI key to complete the setting. • The same DCS code is set for ENC/DEC, differential setting isn't available. One of the following 104 DCS codes can be selected.
6.Selective Calling ■ Advantage of DET It enables DCS squelch operation even in poorer signal conditions. ■ Disadvantage of DET When it is activated, suppose 2 stations are sharing the same channel and using the DCS selective-calling technique and transmitting at the same time. After station A with its corresponding DCS is gone, you may still hear station B even his DCS code is different from A, although he can't open your DCS squelch by his signal alone. 6.
6.Selective Calling 3. Use the DTMF key to input the DTMF tones. For example: when programming 123456789, the display changes as follows: [ 1] –> [ 12] –> [ [345678] –> [456789] 123] –> [ 1234] –> [ 12345] –> [123456] –> [234567] –> • To set a pause instead of a tone, press the FUNC key, and while press the key. "-" is displayed for a pause. The pausing time is approx. 1 second. • Press the FUNC key, and while to see the hidden characters.
7.Special Functions 7. Special Functions 7.1 Battery Refresh Repeating improper recharge of the Ni-MH battery pack may cause so-called the "memory effect" that the battery holds less charge. To avoid this, it is always recommended to fully discharge the battery pack then full charge. This function helps discharging the battery pack. Please remove the unit from a charger before this operation. 1. Activate the Keylock (page 31). 2. Press the key twice, the key twice, the key twice and then the key twice.
8.Set Mode 8. Set Mode The Set mode is used to customize the various operational parameters of your DJ-175. 8.1 Set Mode Operation This chart shows the available parameters in the Set mode.
8.Set Mode 8.3 Available Parameters 8.3.1 Menu 1 Battery Save (BS) Function This function prevents useless battery consumption by switching the power ON/OFF at a fixed ratio if there is no key operation or receiving signal for a continuous period of 5 seconds or more. 1. BS-1 is displayed on the LCD. 2. Rotate the dial to select BS-1, BS-2 or OFF. BS-1 saves the more amount of battery but may cause slight delay on receiving. BS-2 allows smoother communication but saves the less amount of battery.
8.Set Mode 8.3.5 Menu 5 Clock Shift Setting In the unlikely event that you may hear a weak noise always on the same frequency, it may be so-called a CPU-clock noise. Unfortunately this is due to the circuit-design of this product and can't be eliminated, but can be moved away to another frequency. 1. SFT-OF is displayed on the LCD. 2. Rotate the dial to select the clock shift setting on and off. SFT-OF SFT-ON NOTE: This function isn't a noise-blanker.
8.Set Mode 8.3.7 Menu 7 TOT Penalty Time This parameter determines the time to resume the transmission after the unit is forced to quit transmitting by TOT. 1. TP-OFF is displayed on the LCD. 2. Rotate the dial to change the TOT Penalty Time setting. TP-OFF TP-1 ----- TP-4 ----- TP-15 (unit: seconds) Transmission is prohibited until the penalty time elapses. • An alert beep sounds when the PTT key is pressed during the penalty time.
8.Set Mode 8.3.10 Menu 10 DTMF First Digit Burst Time It often happens that the radios fail to receive the very beginning instant of each communication due to squelch/TSQ/DCS etc. By setting the burst time of the first digit longer, the risk to miss the first DTMF tone will decrease. 1. DB-60 is displayed on the LCD. 2. Rotate the dial to select the initial-character burst time.
8.Set Mode 8.3.11 Menu 11 Battery Type Setting Select the correct battery type from Ni-MH battery pack and Li-ion battery pack in order to display the battery-level icon correctly. 1. BAT-NI is displayed on the LCD. 2. Rotate the dial to select battery type from Ni-MH battery pack (BAT-NI) and Liion battery pack (BAT-LI). BAT-NI (Ni-MH) BAT-LI (Li-ion) NOTE: Please set this parameter correctly. When the BAT-LI is selected, previously explained battery charge function can't be performed.
9.Cloning and Packet Operation 9. Cloning and Packet Operation 9.1 Cloning The memory data and customized operational parameters can be transferred from a Master unit to other DJ-175 (Slave units). 9.1.1 Cable Connection • Connect the speaker jacks of the setting sending transceiver and the receiving transceiver using a 3.5 stereo mini plug cord as shown in the diagram. • Be certain that both units are switched off before connecting them. • After connecting the units, switch them both on.
9.Cloning and Packet Operation 9.1.3 Master Unit Operation 1. In the Clone mode, press the PTT key of the master unit. "SD***" is displayed on the LCD, and starts the data-transfer. 2. After the transfer is completed successfully, "PASS" is displayed. 3. Turn off the unit. Repeat the same sequence to clone more units. Stop moving the SD***, COMERR etc. on the display means that the cloning is failed. Please read below and repeat the procedure. 9.1.4 Slave Unit Operation 1.
9.Cloning and Packet Operation 9.2 Packet Operation Packet operation is one of the data communication methods, which enables data transmission and reception with a personal computer through an optional TNC unit available from third-parties. 9.2.1 Packet Operation Connections Connect the packet communication TNC (Terminal Node Controller) terminals to the SP (Ø3.5 mm plug) and MIC (Ø2.5 mm plug ) connectors on the top of the transceiver.
10.Maintenance and Reference 10. Maintenance and Reference 10.1 Troubleshooting Please check the list below before concluding that the unit needs to be serviced. If a problem persists, please reset the unit. The setting/CPU program-related troubles are often resolved by the reset. 10 50 Action Possible Cause Symptom Check that the battery pack terminals are Nothing appears on Poor battery pack clean, and pack is correctly attached. connection. the display when turning on the power. Battery is exhausted.
10.Maintenance and Reference 10.2 Resetting 10.2.1 All Resetting When you reset the unit, all settings are returned to the initial factory settings. The reset deletes the programmed memory channels also. 1. Turn on the unit with the FUNC and keys pressed together. 2. All the icons appear on the display. Release the keys. All display will disappear for 2 seconds, and then reappear. The initial mode is the VFO. 10.2.
10.Maintenance and Reference 10.3 Options EBP-71 Li-ion Battery Pack (7.4V 1200mAh) EDC-164T/E/UK Li-ion Battery Charger (T: 120V E: 230V UK: 230V UK plug) EME-6 Earphone EME-12 Headset with VOX EME-13 Earphone and MIC with VOX EME-15 Tie-pin MIC with VOX EMS-47 Speaker Microphone with Audio Control EMS-59 Speaker Microphone *More accessories may be available. Please visit alinco.com for details.
10.Maintenance and Reference 10.3.2 Using the Chargers Caution Please also read the "Warning" (page 4 of this manual) and the safety instruction that is included in the accessories' package before operating for your safety. ■ Charging with the EDC-165 (Trickle Charger) Please make sure that following items are included in the package.
10.Maintenance and Reference 4. After charging time is elapsed (page 52), remove the battery pack from the basket. The red indicator stays turned on as long as the pack is mounted on the basket regardless of the charging status. Specifications Input Voltage Operating Temperature Range Charging Current Battery Capacity Charging Time EBP-72 DC 12.0V 70mA 0˚C~+40˚C (+32˚F~+104˚F) 70mA DC 7.2V 70mA Approx.
10.Maintenance and Reference 3. Mount the battery (with or without being attached to the unit) in the basket as shown. Turn off the unit while charging. The red indicator on the basket turns on and charging starts. Indicator 4. The red indicator turns off when the charge is completed. Remove the battery pack from the basket. IMPORTANT NOTE: Charging does not start if the fully charged battery pack is mounted or if an abnormal voltage is detected.
11.Specifications 11. Specifications ■ General Frequency range T: TX144~147.995MHz * 144~147.995MHz RX136~173.995MHz * 144~147.995MHz E: TX144~145.995MHz * 144~145.995MHz RX144~145.995MHz * 144~145.995MHz TFH: TX136~173.995MHz * 150~173.995MHz RX136~173.995MHz * 150~173.995MHz *Guaranteed range per specifications Modulation: Channel steps: Memory channels: Antenna impedance: Frequency stability: Microphone impedance: Power supply: Current drain (Approx.
11.Specifications ■ Transmitter Output power (Approx.): Modulation: Max. deviation: Spurious emission: ■ Receiver Receive system: Intermediate frequencies: Sensitivity (12dB SINAD): Selectivity: Audio output power: 5W (High)/2W (Middle)/0.5W (Low) Variable reactance frequency modulation ±5KHz (±2.5KHz)** -60dB or less Double conversion superheterodyne 1st: 21.7MHz/2nd: 450KHz -14dBµ (0.
The following table lists available characters.
1 Features 2 Accessories 3 Names and Operations of Parts 4 Basic Operation 5 Useful Functions 6 Selective Calling 7 Special Functions 8 Set Mode 9 Cloning and Packet Operation 10 Maintenance and Reference 11 Specifications ALINCO, INC. Yodoyabashi Dai-Bldg 13F, 4-4-9 Koraibashi, Chuo-ku, Osaka 541-0043 Japan Phone:06-7636-2362 Fax:06-6208-3802 http://www.alinco.com E-mail:export@alinco.co.jp Printed in Japan Copyright Alinco, Inc.
