GME TX665 User Manual
Page 16
PA G E 1 6
I N S T R U C T I O N M A N UA L T X 6 6 5
DUPLEX MODE SELECTION
The Duplex option only appears in the Menu if a repeater channel (1 – 8 or 41 – 48)
is selected.
To enable duplex on a repeater channel
1. Hold the MENU key for 2 seconds. The channel number will flash.
2. Press the or keys to select the required repeater channel.
3. Briefly press the MENU key to advance to the Duplex option. The
icon will flash.
4. Press the or keys to select ‘on’ (duplex enabled) or ‘oF’ (duplex disabled) on
the display.
5. Press the PTT to store your setting and exit the Menu.
Whenever Duplex is enabled on a repeater channel, the
icon will be displayed on
that channel.
CTCSS AND DCS CODE SELECTION
The radio is fitted with both CTCSS and DCS systems. There are 50 CTCSS tones and
104 DCS codes. The DCS codes and the CTCSS tones are accessed through the same
menu (see table below). When CTCSS tones are being selected ‘ct’ is displayed.
To access DCS codes scroll past CTCSS tone 50 until ‘dt’ is displayed.
To Select a CTCSS or DCS Code
1. Hold the MENU key for 2 seconds. The channel number will flash.
2. Press the MENU key repeatedly until 'ct’ (for CTCSS) or ‘dt’ (for DCS) is displayed.
3. Press the or keys to select the required tone/code.
4. To select CTCSS tones 01 to 50 press the or keys while ‘ct’ is displayed.
When a CTCSS code is selected the icon is displayed.
5. To select DCS codes, hold the key to scroll past CTCSS tone 50 until ‘dt’ is
displayed. Now use the or keys to select the required DCS code 001 to 104.
When a DCS code is selected the
icon is displayed.
6. To return to CTCSS tones hold the or keys until ‘ct’ is displayed again.
7. To turn CTCSS/DCS tones off, hold the or keys to step to the end of the code
list until ‘oF’ is displayed.
8. Press the PTT to confirm and store your selection. The (CTCSS) or
icon
remains on the display to confirm the code system you have selected.
To enable Silent mode on a channel
1. Select the required channel.
2. Press and hold the SQL key for about 2 seconds. The selected code number will be
displayed on that channel.
3. The selected channel will now remain silent unless a signal is received containing
the chosen code.
OFF
CT (CTCSS)
DT (DCS)
01 50
001 104