POLMAR DB-50M, Руководство пользователя

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channel number flashes in this situation, the channel number
will increase 10 channels by each gear of selector knob. Press
microphone [UP/DOWN] key also able to adjust the channel.
Input Channel Through Microphone Number Key
In channel mode, you can switch to desired channel by press 3
of the microphone numeric keys (001-758). For example input
001 get channel 1; input 030 is channel 30; input 512 is channel
512. If the input channel is not programmed with frequency, the
transceiver will emit a warning beep and return to last channel.
◊ Switch Between Main Band
and Sub Band
This transceiver is default on dual
receive, a “MAIN” icon will display in
the top right of the working frequency.
The transmitting is only available on the Main band. When the
left Band is Main band, press the right selector knob will switch
the right Band to Main band. Then press the left selector knob
will switch the left Band to Main band.
◊ Selecting the frequency band
1. Choose for Left band: press the Key key to switch it to VFO
mode, press the left selector knob over 1 second then repeat
above operation will switch the left band.
2. Choose for right band: press the key to switch it to VFO
mode, press the right selector knob over 1 second then repeat
above operation will switch the right band.
◊ Receiving
In standby, both left band and right
band are able To receive. When they
receive any signal, the “BUSY” icon
and signal strength icon will appear in
the corresponding area of the LCD. And you can hear the calling.
◊ Squelch Off/Squelch Off Momentary
Long press of
[SQL]
key can be programmed as Squelch Off or
Squelch Off Momentary to monitor the weak signal.
1. Squelch Off: Hold
[SQL]
key until hear “Du” beep, the squelch
is off, repeat the above operation to resume squelch.
2. Squelch Off Momentary: Keep hold
[SQL]
key to disable
squelch, release the key to resume squelch.
◊ Transmitting
Hold “PTT” key, the transceiver change to transmitting. Please
hold the Microphone approximately 2.5-5.0 cm from your mouth,
and then speak into the microphone in your normal voice to get
best timbre.
15
If there is any empty channel, the adjustment will ignore it and
jump to next channel.
NOTE
This transceiver can be set working on 2 UHF band or 2 VHF band.
NOTE
If the transceiver has set at higher squelch level, it may fall to
hear the calling. If the “BUSY” and signal strenght icon display in
left band or right band, but can not hear the calling, means the
signal is with matching carrier but dis-matching signaling.
NOTE
In standby, press the microphone to cancel squelch, press it
again to turn on the squelch.
NOTE
The transmitting only available on Main band, the “TX” icon will
display in the top right corner of the Main band frequency.
NOTE