GME GA9800 Instruction Manual page 339

CTCSS CODeS
The TX650 is fitted with 38 different CTCSS codes (see code chart on page 17).
You can select or change the current CTCSS code via the MODE Menu. If the
other radios you are communicating with do not have CTCSS codes, set your
TX650's CTCSS code to oF.
Note: CTCSS codes do not prevent other radio users from hearing your
conversation. They simply allow you to ignore messages from radios that are
using a different CTCSS code to you.
To change the CTCSS code on the selected channel
Press the MODe button repeatedly until 'CTC' flashes. Use the or buttons
to select the desired code. Select oF to turn CTCSS off. Press the pTT button or
wait for 5 seconds to store your choice. The CTCSS icon will appear when a CTCSS
code is enabled on the selected channel.
TX pOWeR SeTTING
The TX650 has two transmitter power settings ‑ High and Low. When you are
transmitting in close range to other radios you can conserve battery power by
using the Low power setting. Select the High power setting only when you need
increased range.
To change the power setting
Press the MODe button repeatedly until 'Po' is displayed. Use the or
buttons to select the desired power setting. Select hI for high power or Lo for
Low power. Press the pTT button or wait for 5 seconds to store your choice. The
'HI' icon will appear when the High power setting is selected.
DUAL WATCh
Dual Watch mode allows you to monitor two channels ‑ a primary channel and
Dual Watch channel. When a signal is received on either channel the unit will
pause for 5 seconds before resuming the Dual Watch.
To activate the Dual Watch mode
First select your primary channel using the or buttons. To select the Dual
Watch channel press the MODe button repeatedly until 'dh' appears. Use the
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