Alinco DJ-C7T/E VHF/UHF FM Transceiver Instruction Manual
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21 5.4 Priority This function monitors two frequencies alternately to increase efficiency for receiving signals. Every 5 seconds, the DJ-C7 momentarily switches from the specified frequency to the frequency which is programmed as the priority channel (see on P.16) for 0.5 seconds. 1. Hold the key down for a second to start thePriority monitoring function. The icon will appear on the LCD. 2. Press the key again to release this function.The icon disappears. Tip •You are required to program a priority channel in advance. Otherwise, a beep sounds and the above operations cant be done. For more information on how to program, please refer to Programming a Memory Channel on P.16. • Scanning is not available during the Priority monitoring. • Even if a signal is received on the priority channel, it returns to the specified frequency after a lapse of 5 seconds. • You can specify a frequency in either the VFO mode or one of the memory channels (general). 5.5 Tone Squelch and Related Functions The Tone Squelch (The and the icons appear on the LCD when it is active) is a function to unmute (open) squelch only when one of the tone (encoder) frequency you set matches the tone of another station. When you set a decoder frequency the same as that of another station, you will only hear stations using the same encode/decode settings. This function allows you to communicate with specific stations easily without listening to unwanted signals. 1. Press the key, and press the key while the icon appears on the LCD. Both the icon and a tone frequency are displayed on the LCD. The tone encoder function is now ready to set. 2. Rotate the dial to adjust to the tone encoder frequency.If you wish just to activate a repeater without the Tone Squelch setting, press the PTT key or wait 5 seconds to complete the setting. Also, go on to Shift / Split Function on P.22. Otherwise, follow the steps below. 3. Press the key while the tone encoder frequencyis displayed on the LCD. The icon, the icon, and the programmed tone encoder frequency are displayed on the LCD. The tone encoder/decoder function (Tone Squelch) is now ready to set. 4. Rotate the dial to adjust to the tone decoder frequency.It is possible to set the tone encoder and the tone decoder frequency independently. Change the decoder value if the system requires the differentiate encode/decode tones. 5. Press the PTT key or wait 5 seconds to complete thesetting. The Tone Squelch setting will be complete. 5 Advanced Operations
22 5 Advanced Operations 6. To deactivate the Tone Squelch function, repeat steps1 to 4, and press the key during step 4. After the icon* is displayed, press the key again to display . With the OFF state, press the PTT key or wait 5 seconds to deactivate the Tone Squelch function. The and icon disappear. * See the following for details. 7. While the icon is displayed on the LCD during thesetting, press the PTT key or wait 5 seconds to perform the Reverse Tone Squelch. The Reverse Tone Squelch (the icon is displayed on the LCD when it is set) is a function to mute (close) the squelch only when the DJ-C7 receives a frequency matching the programmed encoder frequency. It unmutes (opens) the squelch when the DJ-C7 receives a frequency unmatching the programmed encoder frequency. This function is not generally used in ham radio operation. To release the Reverse Tone Squelch function, press the key to display on the LCD then press the PTT key while the icon is displayed. 5.6 Tone Scan This function detects the CTCSS tone frequency automatically from a received signal. 1. In the VFO mode, rotate the dial to tune to a frequency on which a tone signal is transmitted. 2. While holding the key down, rotate the dial to display tonE on the LCD. 3. Release the key. The Tone Scan function will be activated. Tone frequencies are displayed on the LCD constantly. Once the DJ-C7 finds a tone, a beep sounds and the Tone Scan function stops. The found tone is programmed as a decoder frequency automatically. 4. Press the key to return to the VFO mode.This function continues searching for a tone until it detects one. Press the same key to quit or suspend temporarily. 5.7 Shift / Split Function This function is usually used when you communicate via repeater. Shift function:It functions to shift to a transmitting frequency from a receiving frequency. Split function:It functions to receive signals in the VFO mode and to transmit signals in the Memory mode, or vice versa. This function is convenient for the cross-band repeater access. 1. Press the key. Every time you press the key while the icon appears on the LCD, the display indication will be changed as follows: Caution When a transmitting frequency is out of transmitting range after the Shift / Split function is set, is displayed on the LCD while the PTT key is pressed. If this occurs, check the shift value/direction and correct it. Shift frequency -> Shift frequency -> Shift frequency -> SPLit + - +/-
23 6 Parameter Setting Mode 6. Parameter Setting Mode The DJ-C7s Setting mode is used to set the various operating functions. 6.1 Mode Setting Items (1) Audio Volume Level (2) Antenna Type (3) Repeater function (4) Tone Burst Frequency (5) APO (Auto Power Off) (6) Battery Save function (7) BEEP Sound (8) BELL (9) Memory Write Protect function (10) Scan Type (11) AM / FM 6.2 Selecting the Setting Mode 1. Press the key, and press the dial once while theicon appears on the LCD. It switches to the Setting mode, and the item name will be displayed on the LCD. 2. Select an item by pressing the dial.Every time you press the dial, the displayed item is changed. When you press the MONI key, the items are displayed in reverse direction. 3. When the item to be configured is displayed on theLCD, change a value or a setting by rotating the dial. 4. Press the PTT key to complete the setting.
24 6 Parameter Setting Mode 6.3 Selecting the Parameters The following 11 functions can be set in the DJ-C7s Setting mode. (1) Audio Volume LevelWhen you use an earphone, you may reduce the entire volume level with this function if the volume is too loud. 1. is displayed on the LCD. 2. Rotate the dial to select HIGH/LOW volume level asfollows: Caution Never change the setting while you are wearing the earphone. Your ear may be hurt by extremely loud noise. (2) Antenna TypeYou can select an antenna according to the frequency you wish to receive. You may choose an antenna type from the following options. Earphone antenna: The earphones cord performs the role of an antenna. The earphone antenna only receives FM radio broadcasts. External antenna: You are allowed to use the helical antenna attached to the DJ-C7 or any antennas on the market. The external antenna receives all frequency bands that the DJ-C7 covers. 1. is displayed on the LCD. 2. Rotate the dial to select an antenna between Earphoneand External (SMA) as follows: (3) Repeater function With this function on, you may activate a repeater easily and quickly. 1. Prior to set this parameter, edit a lower limit frequency (the shift direction and the CTCSS tone if required) in the VFO mode and store it to AL memory channel. 2. Edit a higher limit frequency to AH memory channel. Note that, for example, 146.000 or 440.000 cant be stored. Select 145.995 or 439.995 for the edge frequency in this case. 3. Enter to the Setting mode and select . 4. Rotate the dial to switch ON/OFF the Repeater function. When you set it to ON, the icon will appear on the LCD. Tip Please deactivate the shift/tone setting in the VFO mode for the Repeater function. The manual settings have priority. This setting is valid for either VHF or UHF band. SmA -> EAr HivoLUmE -> LovoLUmE
25 6 Parameter Setting Mode (4) Tone Burst Frequency 1. 1750 is displayed on the LCD. 2. Rotate the dial to select the Tone Burst Frequencysetting as follows: (5) APO (Auto Power Off) This function automatically turns the power OFF if there is no key operation for a specified period of time to prevent wasting the battery charge. This is useful when you forget to turn off the transceiver. 1. is displayed on the LCD. 2. Rotate the dial to select a setting value as follows: Just before cutting the power OFF, a beep will be heard. Select the time from 30, 60, 90 minutes, and OFF. When OFF is selected, this function does not work. To turn the power ON, press the POWER (PWR) key again. Tip With this function ON, even if the DJ-C7 receives signals, it wont reset the turn-off period. Only key operations will expand the period. (6) Battery Save functionThis function prevents wasting battery power by switching the reception circuit power supply OFF. With this function ON, the transceiver will be in a hibernation state if there is no key operation or received signals for a continuous period of 5 seconds. 1. is displayed on the LCD. 2. Rotate the dial to switch ON/OFF the Battery Save function. When you set it to ON, the icon will appear on the LCD. •The factory-shipped default is set to ON. • This function will be released temporarily when the DJ-C7 receives signals or there is a key operation. • This function will not be performed while the DJ-C7 is under scanning. • LCD displays even when the Battery Save function is active. (7) BEEP SoundThis function sounds a beep during operations. If you feel it is noisy or annoying, you may turn off the sound. 1. is displayed on the LCD. 2. Rotate the dial to switch ON/OFF the BEEP Sound as follows: oFF BEEP -> on BEEP OFF -> 30 -> 60 -> 90 1750 -> 2100 -> 1000 -> 1450
26 6 Parameter Setting Mode (8) BELLIt functions like a beeper. The DJ-C7 tells you with a bell sound that another station is calling. 1. is displayed on the LCD. 2. Rotate the dial to switch ON/OFF the bell function. When you set it to ON, the icon will appear on the LCD. When the DJ-C7 receives signals, the icon will blink on the LCD and a bell sounds. To stop the bell sound, press the PTT key. (9) Memory Write Protect functionThis function prevents overwriting or deleting memory channels by mistake and protects what youve programmed. You can always program frequencies to blank channels regardless of this setting. 1. is displayed on the LCD. 2. Rotate the dial to switch ON/OFF the Memory WriteProtect function as follows: Caution Note that when you reset all settings (see on P.30) when the transceiver is set to oFFProtCt, which allows it to overwrite, ALL memory channels you programmed are deleted. The factory-shipped default is set to onProtCt which prevents deleting memories by performing a reset. Be mindful about this parameter when you reset the transceiver. (10) Scan TypeYou can select the scan-resume condition between Busy scan and Timer scan. 1. is displayed on the LCD. 2. Rotate the dial to switch the scan-resume condition asfollows: (11) AM / FM You can select the modulation reception mode between AM and FM. It is necessary to switch the display for setting a tuning step in a specified band in advance. For more information on this, please refer to Entry Completion Digit for Different Tuning Steps on P.15. 1. is displayed on the LCD. 2. Rotate the dial to switch between AM and FM. Tip When you set a tuning step to Auto, you are not able to switch the modulation mode. In this case, you will see ------ displayed on the LCD. bUSY -> timEr onProtCt -> oFFProtCt
27 7 Cloning 7.1 Cloning With the Cloning function, it is possible to connect two transceivers by a cable, and copy all settings from one unit (called the Master) to the other (called the Slave). This function transfers all the settings of the Master including memory channel data. Connecting the Transceiver•Connect both of the speaker jacks on the sending transceiver (Master side) and the receiving transceiver (Slave side) with a ø 2.5 stereo mini-plug cord as shown in the below illustration. • Be sure that both transceivers are switched OFF before connecting them. Receiving the Master DataHere are the operations of the Slave side. 1. While holding the MONI key down, turn the power ON. is displayed on the LCD, and the Slave enters the Clone mode. 2. Wait for a while until the master data is transferred completely. For more information on sending the master data, please refer to the next section. 3. Turn the power OFF on the Slave. •The stereo mini-plug cord should be direct-coupled to avoid internal resistance. • Even while the DJ-C7 transfers data, the operation can be suspended with any key operations. To restart transferring, press the PTT key. • Do not disconnect the cable while cloning. When the cord is disconnected, is displayed on the Masters LCD, and the DJ-C7 suspends transferring. • All data in the slave side will be overwritten if cloning is executed. Be careful with current data on the Slave before cloning. Transmitting Data from the Master TransceiverHere are the operations of the Master side. 1. While holding the MONI key down, turn the power ON. is displayed on the LCD, and the Master enters the Clone mode. Master To SP/MIC connector on the transceiver Slave To SP/MIC connector on the transceiver 7. Cloning
28 7 Cloning 2. Press the dial. is displayed on the LCD, and the Master starts to transfer data. is displayed on the LCD when transfer is completed successfully. 3. Turn the power OFF on the Master side to release theClone mode. If the DJ-C7 should fail to transfer data, is displayed on the LCD. If you see this indicator, redo from step 1.
29 8 Maintenance and Reference 8. Maintenance and Reference 8.1 Troubleshooting Please check the list below before concluding that the transceiver is fa\ ulty. If a problem persists, reset the transceiver. This may correct erroneous\ operations. Nothing appears on the display when you turn the power on. No speaker audio. No reception. Frequency display is incorrect. Wont scan. Frequency and memory number do not change. Key entry not possible. One-touch repeater cannot be used. Cannot transmit. Display blinks or goes out when you transmit. Cannot transmit. No reply when you transmit. Display blinks or goes out when you receive.Poor Li-ion battery pack connection Dead battery. You are releasing the key too quickly. Volume too low. Squelch level too high. Tone squelch is on. You are pressing the PTT key and transmitting. CPU error. Squelch is unmuted. Keylock is on. Keylock is on. Incorrect setting for one-touch repeater use. Battery power is insufficient. Not pressing the PTT key firmly enough. You are outside of the band.( when shift is set.) Incorrect frequency. Battery power is insufficient. Symptom Possible Cause Action Check if the battery pack terminals are clean. Recharge the battery pack. Hold the power switch down for 1 second. Adjust the volume. Adjust the squelch. Turn off tone squelch. Release the PTT key. Detach the battery pack or external power supply, wait 10 seconds and attach it again. If it is still not operating, reset the transceiver. Set squelch so that noise is just muted. Turn off keylock. Turn off keylock. Set the transceiver correctly for repeater use. Recharge the battery pack. Press the PTT key firmly. Transmit within transmission frequency range. Match your frequency to receiving stations frequency. Recharge the battery pack.
30 8 Maintenance and Reference 8.2 Resetting When you reset the transceiver, all settings are returned to the initial (default) factory setting. You can reset programmed channel memory when the write protect is off. 1. Press and hold the key and press the keyto turn the power on. 2. Release the keys when all icons are displayed. The transceiver returns to the initial VFO mode. Factory Setting •VFO Frequency VHF :145.000MHz L-UHF :380.000MHz (T version) UHF :445.000MHz (T version) UHF :433.000MHz (E version) FM Radio :88.100MHz (T version) FM Radio :87.500MHz (E version) Air :118.000MHz (T version) • Memory Channel 0 - 199ch blank • Audio Volume 10 • Squelch Level 3 • Battery Save ON • Scan Resume Condition Busy Scan • Beep ON • Tuning Step Auto • Shift OFF • Shift Range VHF :0.6MHz UHF :5.0MHz • Tone Squelch OFF • Tone Frequency 88.5Hz • APO, BELL OFF 8.3 Options EME-24 Earphone microphone EMS-60 Speaker microphone EDH-32 Cigarette lighter cable ESC-38 Soft case EME-18 Earphone EBP-58N Li-ion battery pack (DC3.7V 600mAh) EDC-126/128 AC battery charger