Back Light - GME GA9800 Instruction Manual

to adjust the preset squelch sensitivity
Press and hold the key while immediately pressing the
or keys. the icon will flash and the preset squelch level
will be displayed as -1 to -9 . the minimum squelch level of -1
is the most sensitive and will allow the squelch to open on very
weak signals. Setting the squelch to the maximum setting of -9 will
require very strong signals to open the squelch. the default setting
is -3 which generally provides reliable squelch operation for most
applications.
Setting the Squelch sensitivity
Note:
After pressing the
or
keys immediately (within 2 seconds) otherwise the 'Silent'
mode may be activated. See ENablINg ctcss/Dcs oN a
chaNNEl on page 7.

BACK LIghT

When the radio is on, briefly press the
the brightness levels for the LCD and keypad lighting. there are
5 levels of lighting from off to full brightness. Each key press
increases the brightness until maximum brightness is reached.
the next key press resets the brightness level to off and the
cycle repeats.
Off Very Low
DUpLEx OpERATION
Duplex operation allows the radio to transmit on a different
frequency to that which is receives. this allows operation through
repeater stations. Repeaters automatically re-transmit your signal
over a wider area, providing greatly increased range.
PA G E 5
key you should begin pressing the
key to cycle through
Low Medium High
Simplex/Duplex Range Comparison
Simplex
Repeater
operation
Vehicle
Duplex operates only on channels 1-8. When duplex is selected
on these channels, the radio receives on that channel but actually
transmits 30 channels higher.
e.g.
channel selected
receive channel
transmit channel
* Emergency Channel only
the tX3100 allows you to select Duplex operation individually on
each channel.
to select Duplex on individual channels;
1. Select the required channel (1 - 8).
2. Press and hold the
the '0' in the channel number will change to 'r' to indicate that
channel is now set as a repeater channel. E.g. channel 2 will
be displayed as 02 when in simplex mode but will change to r2
when duplex is activated on that channel.
Channel 2 Simplex
Channel 2 Duplex (repeater)
i n s t r u c t i o n m A n u A l
Repeater
Station
1 2 3 4 5*
1 2 3 4 5*
31 32 33 34 35*
key and immediately press the
Vehicle
6 7 8
6 7 8
36 37 38
key.
t X 3 1 0 0