Alinco DJ-C7T/E VHF/UHF FM Transceiver Instruction Manual
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11 3 Control Functions 3.2 Keypad Key V/M SCAN BAND FUNC PWR Dial Independent Operation Switches between the VFO and Memory mode. (See on P.14) Starts and stops scanning. (See on P.19-20) Switches among bands. (See on P.15) Switches among functions. Turns power ON/OFF. (See on P.13) Adjusts volume, squelch, and other parameters/values. (See on P.13,14,23) Press FUNC While is ON Programs to memory channels. (See on P.16) Sets the Tone Squelch setting. (See on P.21-22) Sets the Shift setting. (See on P.22) Resets the transceiver to factory defaults. Enters the Setting mode. (See on P.23) Press Key for 1 Sec Starts the Priority monitoring function. (See on P.21) Switches ON/OFF the Keylock function. (See on P.20) Dial Operation While Holding Key Switches the VFO/Program /Tone scan. Adjusts frequency in 1 MHz units. (See on P.15)
12 3 Control Functions 3.3 Display 1 2 3 4 5 6 7 8Appears when the key is pressed. Appears when keys are locked. Indicates the shift (+/-) direction or split operation. Appears when the tone squelch is set. Appears when the bell function is on. Indicates received signal level and the transmission output. Appears when the squelch is unmuted. Indicates the frequency and status of various settings.9 10 11 12 13 14 15 16Appears when the charge level is low. Appears when the battery save function is on. Appears when the auto power off function is activated. Appears when the reverse tone squelch is set. Appears when the repeater mode is on. Appears when the priority monitoring function is on. Indicates memory channel No. and other setting status. Indicates the receiving mode. Other icons which are not mentioned in the table are not used with the D\ J-C7. 12 5 6 15 16 4 3 7 8 9 10 11 12 14 13
13 4 Basic Operations 4.1 Turning the Power ON Hold the key down for a second. To turn the power OFF, hold the key down until the display disappears. Caution If the external power supply is over 6.5 volts, dC-ovEr is displayed on the LCD with the red and green LEDs alternately blinking. If this occurs, disconnect the external power supply jack from the transceiver immediately. Otherwise the transceiver will be damaged. Note that no warnings are displayed on the LCD if the external power supply exceeds 6.5 volts when the transceiver is ON. Application of a voltage of over 10 volts will damage this transceiver. Never use the AC adaptor cable of other manufacturers. 4.2 Adjusting the Audio Volume • There are 31 volume levels. (00-30) • Default is set to 10. 1. Press the dial once. will be displayed on the LCD indicating the present volume level. 2. Adjust the volume level by rotating the dial.As the value increases, the sound becomes louder. 3. Press the dial again or the PTT key to complete the setting and to return to the operating mode. It also returns to the operating mode when no dial operations are made for 5 seconds. Caution When you use an earphone, be sure to set the volume to a proper level. Also, the Audio Volume Level in the Setting mode should be set to LOW. For more information, please refer to Audio Volume Level on P.24. 4. Basic Operations
14 4 Basic Operations 4.3 Adjusting the Squelch The squelch is a function for eliminating noise when no signals are present. To open the squelch means that the DJ-C7 monitors any signals stronger than the squelch level you set. •There are 10 squelch levels. (0-9) • Default is set to 3. 1. Press the dial twice. will be displayed on the LCD indicating the present squelch level. 2. Adjust the squelch level by rotating the dial.When you set it to a higher level, weak signals would be interrupted while monitoring or would not be monitored at all. Generally, you should set the squelch to the lowest level where noise would be eliminated. Depending on the monitored frequencies and the conditions of the circumstances around you, the squelch level may need to be adjusted. 3. Press the dial again or the PTT key to complete the setting and to return to the operating mode. It also returns to the operating mode when no dial operations are made for 5 seconds. 4.4 Operating Modes The DJ-C7 has two operating modes; VFO mode and Memory (MR) mode. Switching Between Modes Every time you press the key, the operating mode can be switched between these two. When you switch to the Memory mode, the memory number will be displayed on the LCD. Tip When there are no programmed memory channels, it cant be switched to the Memory mode. MR modeVFO mode
15 4 Basic Operations 4.5 VFO Mode This is the mode which is set as the factory-shipped configuration. Radio frequencies and various settings can be changed by rotating the dial in this mode. Switching the BandEvery time you press the key, the 7 bands listed below can be switched in order. 1 MHz UP/DOWNWhen you rotate the dial with holding the key down, you can increase or decrease a frequency by a 1MHz-step in accordance with the direction of dial rotation. This function is a quick way to increase or decrease the frequency by a large amount. After pressing the key, releasing it without any dial operations can switch among bands. Entry Completion Digit for Different Tuning StepsThe tuning step can be changed. You may choose one of the selections as follows: Auto, 5, 6.25, 8.33, 10, 12.5, 15, 20, 25, 30, 50, 100, 125, 200 kHz. 1. Press the key to select the band to change its tuning step. 2. Press the key, and press the MONI key when you see the icon appears on the LCD. 3. Rotate the dial to choose a tuning step as you desire. 4. Press the PTT key to complete the setting and to return to the operating mode. The default tuning step is set to Auto. Choosing any tuning step but Auto in any of the bands releases the default setting to Auto in all provided band selections, and the last selected tuning step for a specified band is programmed. Returning the setting to Auto in a specified band, all tuning steps for all provided bands will be returned to Auto. Auto uses tuning steps and modes which are programmed into the DJ-C7 at the factory. Default VHF L-UHF H-UHF FM Radio Air BandDJ-C7T: 145.000 (142.000-173.995MHz) DJ-C7E: 145.000 (144.000-145.995MHz) DJ-C7T: 380.000 (380.000-419.995MHz) DJ-C7T: 445.000 (420.000-511.995MHz) DJ-C7E: 433.000 (430.000-439.995MHz) DJ-C7T: 88.100 (88.100-107.995MHz) DJ-C7E: 87.500 (87.500-107.995MHz) DJ-C7T: 118.000 (108.000-141.995MHz)FM FM FM WFM AM/FM
16 4 Basic Operations 4.6 Memory Mode This mode allows you to program frequencies into the DJ-C7 memory. A programmed frequency is called a channel. The DJ-C7 has four types of memory functions; Memory channel (general), Program scan channel, Priority channel, and VFO auto programmed channel. Types of Memory Programming a Memory Channel 1. In the VFO mode, adjust the frequency you wish to program by rotating the dial. 2. Set the Shift (+/-) and/or Split settings, if necessary. For more information on these settings, please refer to Shift / Split Functions on P.22. 3. Press the key to display a memory channel number on the LCD, and select a channel you wish to write to by rotating the dial. The blank channels will blink and programmed channels will remain lit up. 4. Press the key while the icon appears on theLCD. A beep sounds telling you that the frequency is written to the memory channel successfully. Tip To overwrite to an already-existing memory channel, be sure that the Memory Write Protect function is set to OFF. For more information on this function, please refer to Memory Write Protect function on P.26. Selecting a Memory Channel 1. Press the key to switch to the Memory mode. A memory channel number will be displayed on the LCD. Caution When nothing is written to any memory channel, it cant be switched to the Memory mode. 2. Rotate the dial to select the memory channel number you wish to call up. Clockwise rotation: Each click increases the memory channel number by one. Counter-clockwise rotation: Each click decreases the memory channel number by one. Memory channel (general) (0-199) Program scan channel (0A, 0b-4A, 4b) Priority channel (PRI) VFO auto programmed channel (AH, AL)This is a channel which is called up in the Memory mode. You may program up to 200 channels in the DJ-C7. When you program frequently used frequencies in advance, you can easily select whatever you wish to use. This is a channel which is used for the Program scanning function. You can program up to 5 pairs of frequency ranges (higher and lower limits). (See on P.19) This is a channel which is used for the Priority monitoring function. (See on P.21) This is a channel which is used for the Repeater function. You can program a pair of frequency ranges (higher and lower limit) to apply settings for the repeater automatically. Refer to (3) Repeater function on P.24 for setting/operation detail.
17 4 Basic Operations Clearing a Memory Channel 1. Set the Memory Write Protect function to OFF, if necessary. For more information on this function, please refer to Memory Write Protect function on P.26. 2. Press the key to switch to the Memory mode. 3. Rotate the dial to select the memory channel number you wish to delete. 4. Press the key, and press the key while the icon appears on the LCD. A beep sounds telling that the frequency is deleted successfully, and ------ is displayed on the LCD. 5. With ------ displayed on the LCD, rotate the dial toreturn to the Memory mode. Press the key to return to the VFO mode. When there are no programmed memory channels, press the key to return to the VFO mode. Tip Right after deleting the memory channel with ------ displayed on the LCD, you can restore what you erased. To restore the channel, press the key and press the key again while the icon appears on the LCD. Note that you wont be able to restore it once you change the operating mode. Contents of Memory ChannelThe following settings can be stored in each memory channel: •Frequency • Shift frequency • Shift direction (+/-) and Split setting • Tone encoder frequency • Tone decoder frequency • Tone encoder/decoder setting • Mode (AM/FM)
18 4 Basic Operations 4.7 Receiving 1. Adjust the volume level. (See on P.13) 2. Adjust the squelch level. (See on P.14) 3. Select the frequency on which you wish to receivesignals. When a signal is received on the frequency you selected, the icon will appear at the lower right of the LCD, and signal level indicators are displayed according to the strength of received signals, as well. Also, the green TX/RX indicator will light when a signal is received. MonitoringThis function can be used to temporarily release the squelch level setting you set when the received signal is too weak to monitor or is interrupted during monitoring. •The squelch is unmuted (is opened completely) while the MONI key is held down, regardless of the squelch level setting. • This function unmutes (opens completely) the squelch even when the Tone Squelch function is set. 4.8 Transmitting 1. Select a frequency on which you wish to transmit signals. 2. Press the PTT key. When the red TX/RX indicator lights, you are transmitting. 3. While holding the PTT key down, speak toward the microphone on the transceiver at normal speaking volume. 4. Release the PTT key when you finish speaking. It returns to a receiving or monitoring state. Caution • Pressing the PTT key outside the transmission frequency range displays on the LCD. Transmission is not possible in this state. • Note that the receiving and transmitting frequencies are different when you set the Shift direction and/or Split setting. Tip Available transmitting frequency ranges: VHF... 144.000-147.995 MHz (DJ-C7T) 144.000-145.995 MHz (DJ-C7E) UHF... 420.000-449.995 MHz (DJ-C7T) 430.000-439.995 MHz (DJ-C7E)
19 5 Advanced Operations 5.1 Scanning This function automatically searches for active frequencies to help you locate a signal that you wish to receive. There are two types of scanning; Busy scan and Timer scan. The default is set to Busy (bUSY) scan. Switching between those two types can be done in the Setting mode. (See on P.26) Busy scan:If no signal is monitored after scanning stops, it will search for another frequency. Timer scan:Even if a signal is detected after scanning stops, it will switch to the next frequency after 5 seconds. •While it is scanning, the decimal point (.) on the LCD blinks. • Even when it is scanning, a scan will be suspended and the squelch will open temporarily when you hold the MONI key down. Scanning will continue when you release the MONI key. • While it is scanning, the scanning direction can be changed with a dial operation. Scanning starts in the direction of the last dial operation. (up or down) • Press any key other than the MONI key to stop scanning. VFO ScanIn the VFO mode, scanning is performed to detect signals using the tuning step you set in advance (see on P.15) for any frequencies in the specified band. 1. Press the key to switch to the VFO mode. 2. While holding the key down, rotate the dial to display vFo on the LCD. 3. Release the key. Scanning will be performed with the selected tuning step in the direction of the last dial operation. (up or down) 4. Rotate the dial in the clockwise direction to scan in the UP direction. Conversely, rotate the dial in the counter-clockwise direction to scan in the DOWN direction. 5. Press any key other than the MONI key to stop scanning. Program Scan Scanning is performed to detect signals between a specified range of frequencies. Both the higher and lower limit of the scan range need to be set in advance. Otherwise, the following operations cant be done. A programmed pair of frequencies (higher and lower limit) is called a program scan channel. You can program up to 5 pairs of frequency ranges. For more information on how to program, please refer to Programming a Memory Channel on P.16. 1. Press the key to switch to the VFO mode. 2. While holding the key down, rotate the dial to select a program scan channel, such as P0A and P0b, to search. 3. Release the key. When you have selected A side, scanning will be performed in the direction of side b. Conversely, when you have selected b side, scanning will be performed in the direction of side A. Whichever you choose, it scans within the same range. 5. Advanced Operations
20 5 Advanced Operations 4. Rotate the dial in the clockwise direction to scan in theUP direction. Conversely, rotate the dial in the counter-clockwise direction to scan in the DOWN direction. 5. Press any key other than the MONI key to stop scanning. Memory Scan Scanning is performed to detect signals among frequencies programmed as the memory channels. Memory channels need to be set in advance. Otherwise, the following operations cant be done. For more information on how to program, please refer to Programming a Memory Channel on P.16. 1. Press the key to switch to the Memory mode. 2. Press the key. mEmorY is displayed on the LCD. 3. Release the key.Scanning will be performed. 4. Rotate the dial in the clockwise direction to scan in the UP direction. Conversely, rotate the dial in the counter-clockwise direction to scan in the DOWN direction. 5. Press any key other than the MONI key to stop scanning. Tip With the DJ-C7 the Memory Skip function, which excludes specified channels during a scan, or the Memory Bank function, which divides channels into several groups, is NOT available. 5.2 Keylock The keylock function avoids unwanted, incorrect, or unauthorized operation of the keys. The following can be done even when the keylock function is ON: • Receiving signals with the MONI key held down • Transmitting with the PTT key held down • Adjusting the volume and squelch level • Turning the power ON/OFF • Canceling the keylock • MONI (monitor) function 1. Hold the key for a second to switch ON/OFF the keylock function. When the keylock function is ON, the icon will appear on the LCD. 5.3 Tone Burst The Tone Burst function is used to call up another station or to activate a repeater by adding a tone signal to the transmitted signal. While transmitting, press the key to transmit the tone burst signal. The default frequency of the tone signal is 1750Hz, and it can be changed in the Setting mode. (See on P.25) The CTCSS can be used with the tone burst.