GME TX3120S Instruction Manual page 25

Super compact 5 watt uhf cb radio
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2. rotate the Channel control until 'ctcxx' or
'Dtxxx' is displayed then press the Channel
control to select it.
3. rotate the Channel control to enable ctcss/
Dcs and select a suitable ctcss or Dcs code.
to use ctcss, select from ctc01 to ctc50
(ctcss tones 01 to 50).
to use Dcs, scroll past ctc50 to select from
Dt001 to Dt104 (Dcs codes 001 to 104).
to switch ctcss/Dcs off, select ctcoF.
when finished press and hold the Channel control
to exit the menu.
Enabling CTCSS/DCS on a Channel (Silent
mode)
Enabling ctcss/Dcs on a channel will prevent
the squelch from opening on that channel unless
the incoming signal matches your selected ctcss/
Dcs tone. other users on the same channel who
are not using your ctcss/Dcs tone will still be
received by your radio (the
on the display) – but their voice will not be heard
in the speaker.
only when someone transmits on the channel
using your ctcss/Dcs tone will the squelch open
to allow the signal to be heard. channels where
ctcss/Dcs have been enabled are said to be in
'silent mode'. silent mode can be enabled on any
channel except emergency channels 5 and 35.
NOTE:
you cannot enable silent mode unless
a ctcss or Dcs tone has been selected in the
configuration menu. If ctcss/Dcs has been set to
oFF, silent mode is inhibited.
t X 3 1 2 0 s
icon will still appear
I n s t r u c t I o n m A n u A l
to Enable silent mode on a channel:
1. select the required channel.
2. Press and hold the
is heard.
3. An
icon (for ctcss) or
will be displayed in the lower right of the
display to indicate silent mode is now enabled
on that channel.
NOTE:
the ctcss/Dcs tone you selected will be
used for all channels that have 'silent' enabled.
to Disable silent mode on a channel:
1. select the required channel. An
ctcss) or
icon (for Dcs) will be displayed
indicating silent mode is currently enabled.
2. Press and hold the
heard.
3. the
or
icon will disappear to indicate
silent mode has been removed from that
channel.
IMPORTANT:
when silent mode is enabled on a
channel you should always look for the
signs of traffic on the channel before transmitting
to ensure you do not accidentally transmit over the
top of another user. Alternatively, you can enable
'Busy channel lockout' in the configuration menu
which will automatically prevent your radio from
transmitting if the channel is already in use.
Busy Channel Lockout
when using silent mode with ctcss/Dcs, you
may not notice when others outside your ctcss/
Dcs group are transmitting on your channel. As a
result you could accidentally transmit over the top
of someone else.
key until a high beep
icon (for Dcs)
icon (for
key until a low beep is
icon for
PA G E 2 5

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