GME GA9800 Instruction Manual page 376

3. Press the or keys to select the required CTCSS code. (A list of
available codes is shown in the chart on page 9).
To turn CTCSS off on this channel, set the CTCSS code to ' oF ' .
note:
4. P ress the MODE or PTT key momentarily to confirm and store
your selection.
note:
CTCSS is only enabled on those channels with CTCSS codes
selected. All other channels will continue to operate normally.
2. TRANSmITTER POWER
The transmitter power can be set to High (2 Watts) or Low (1 Watt). The
power setting applies to all channels.
To set the Transmit Power
From the 'Standby' mode:
1. P ress the MODE key TWICE (2) to select the power setting mode. 'Po'
will be displayed and 'HI' or 'LO' will be flashing on the display.
2. Press the or keys to select the required power setting. Select
'HI' for high power or 'LO' for low power.
3. P ress the MODE or PTT key momentarily to confirm and store
your selection.
The TX670 should now display the selected channel number along with
'HI' if you have selected high power. If you have selected low power, this
setting will not be indicated.
3. VOX SETTINgS
The VOX feature lets you have hands-free conversations. When you
speak, the microphone automatically detects your voice (or other nearby
sound) causing the radio to transmit without the need to press the
switch.
PTT
To set radio for VOX operation
From the 'Standby' mode:
1 P ress the MODE key THREE (3) times to select the VOX setting mode.
'VOX' will flash on the display.
2. Press the or keys to select the sensitivity from 1 (minimum) to
3 (maximum). The minimum setting requires a louder voice to activate
T X6 7 0 TP
the VOX. The maximum setting will activate the VOX with a much
softer voice.
3. T o disable the VOX completely, set the VOX sensitivity to oF.
4. P ress the MODE or PTT key momentarily to confirm and store your
selection. When the VOX is enabled, 'VOX' is visible on the display.
4. DUAL WATCH SETTINgS
The Dual Watch mode lets you to monitor two channels at the same
time. While in Dual Watch mode, the unit will monitor both the currently
selected channel and a second dual watch channel.
To set the Dual Watch Mode
From the 'Standby' mode:
1. P ress the MODE key FOUR (4) times to select the Dual Watch setting
mode. The 'DW' icon will flash on the display.
2. Press the
(1-40). To disable the Dual Watch Mode altogether select 'oF'.
3. P ress the MODE or PTT key momentarily to confirm and store your
Dual Watch channel selection 'DW' will be displayed at the top of the
LCD and the display will now alternate between the currently selected
channel and the Dual Watch channel.
To EXIT the Dual Watch mode, momentarily press the SCAn key. This is
equivalent to setting the 'DW' mode to 'oF'.
Dual Watch Operation
• I f a signal is received on the Dual Watch channel, the radios will
pause on that channel for as long as it remains busy, then resume
the Dual Watch five (5) seconds after the last transmission
has ceased.
• I f you wish to talk on the busy channel, press the PTT switch while
the radios are locked onto that channel then talk in the usual way.
• I f you wish to talk on the selected channel, press the PTT switch
while no signals are being received. The radios will switch to the
selected channel.
5. SqUELCH SETTINgS
The 'Squelch' mode lets you adjust the receiving sensitivity. The higher
the Squelch level is set, the stronger the signal needs to be for it to be
received by the radios.
INSTRUCT IO N MA NUAL
or keys to select the Dual Watch channel number
PAG E 7