5
3. Channel Information
The GA-510 radio has 128 channels, you can edit the channel number and channel information
according to your needs. The following is an introduction to each term.
Name
Meaning
Setting
Description
RX Freq
Receiving frequency VHF:136-174MHz
UHF:400-520MHz
TX Freq
Transmitting frequency VHF:136-174MHz
UHF:400-520MHz
RX QT/DQT Receiving CTCSS/DCS
Refer to the DCS table and
CTCSS table in the manual.
Mutes the speaker of the transceiver in the
absence of a specific low level digital signal. If the
station you are listening to does not transmit this
specific signal, you will not hear anything.
TX QT/DQT Transmitting CTCSS/DCS Refer to the DCS table and
CTCSS table in the manual.
Transmits a specific low-level digital signal to
unlock the squelch of a distant receiver (usually a
repeater).
POWER
Transmit power
HIGH/LOW
High power:10W Middle :5W LOW
：
1W
W/N
Channel bandwidth
WIDE/NARROW
Wideband (25 kHz bandwidth) or narrowband
(12.5 kHz bandwidth).
PTT-ID
When to send the PTT-ID
OFF
does not send code;
BOT
press PTT button to
send code;
EOT
release PTT button to
send code;
BOTH
press and release
PTT button to send code
Codes are sent during either the begin
ning
or
end of a transmission.
Busy
Busy
Channel Lockout OFF/ON
ON
: If the channel is occupied, when you press
the [PTT] key on this channel, the radio will make
a beep tone and will not transmit any signal.
OFF
: No matter if the channel is occupied, the
radio will transmit the signal when you press the
[PTT] key.
Scan add
OFF/ON
In the scan mode, whether add the channel to the
scan list.
ON
: the channel is added to scan list;
OFF
: the channel cannot be scanned.
Signal
Signal code
1-15
Selects 1 of 15 DTMF codes. The DTMF codes are
programmed with software and are up to 5 digits
each
