Model GXT-400
Page 10 www.midlandradio.com
CTCSS SUB-TONE SETTING :
Your GXT-400 has 38 CTCSS codes available. The selected CTCSS
code may be different for each channel. To select a CTCSS code for
the current channel press the MENU [14] button twice, and then the
[13] buttons to select one of the 22 channels. To confirm the
selection, press the PTT [12] button or wait for 5 seconds roughly
Note : Selecting a CTCSS code of "oF" will disable the the CTCSS
feature. To communicate between two GXT-400 radios , both the
channel and CTCSS code selections must be the same.
TRANSMIT (TX) POWER SELECTION :
Your GXT-400 has 3 transmit power levels. To select the power level
on channels 1~7 and 15~22, press the MENU [14] button thee times,
a “Pr” icon will appear on the display. Then press the [13] buttons
to select among the 3 TRANSMIT POWER [10] icon (H/M/L). To con-
firm, press the PTT [12] button or wait for 5 seconds roughly.
Note : There is no transmit power selection on Channel 8~14.
VOX (Hands-free Transmission) FUNCTION:
Your GXT-400 has 3 VOX level selection (oF/Lo/Hi).
To activate the VOX function, press the MENU [14] button four times.
The display shows “VOX” blinking while on the right of the CHAN-
NEL NUMBER [4] display, an “oF” icon appears. Select “Lo” or “Hi” by
pressing the [13] buttons and push the PTT[12] key, or wait for 5
seconds for confirmation. The VOX functionwill be more sensitive on
the “Hi” setting than in the “Lo” setting.
To deactivate the VOX function, press the MENU [14] button four
times. The display shows “VOX” blinking while on the right of the
CHANNEL NUMBER [4] display, an “on” icon appears. Select “oF” by
pressing the [13] buttons and push the PTT[12] key, or wait for 5
seconds for confirmation.
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