Home > Alinco > Communications receiver > Alinco DJ-C7T/E VHF/UHF FM Transceiver Instruction Manual

Alinco DJ-C7T/E VHF/UHF FM Transceiver Instruction Manual

    Download as PDF Print this page Share this page

    Have a look at the manual Alinco DJ-C7T/E VHF/UHF FM Transceiver Instruction Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 66 Alinco manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.

    							
    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. 
    						
    All Alinco manuals Comments (0)

    Related Manuals for Alinco DJ-C7T/E VHF/UHF FM Transceiver Instruction Manual