GME TX3420 - Manual (Page 5)

t X 3 4 2 0 i n s t r u c t i o n m A n uA l PA G E 5
to allow the signal to be heard clearly . Alternatively you can
reduce the squelch sensitivity as described as follows .
sQuelch seNsitiVity
the sensitivity of the squelch to incoming signals can
be set to suit your operating environment . for example,
excessively noisy environments may cause the squelch
to open on local noise . the tX3420 has nine (9) preset
squelch sensitivity settings that can be selected using the
meNu function .
to adjust the pre-set squelch sensitivity
Please refer to the meNu settiNgs on page 16 .
Priority chaNNel
the Priority channel feature allows you to store one of
the channels as a Priority channel that can be instantly
recalled at the press of a key . this can be used to provide
instant access to your working channel or your local
repeater channel .
to store a Priority channel
1 . select the required channel .
2 . Press and hold the Pri key until a high beep is heard .
the selected channel will be stored .
to recall a Priority channel
briefly press the Pri key . the radio will switch straight to
the selected Priority channel . Any active functions (such
as scanning or quiet) will be cancelled .
DuPlex oPeratioN
duplex operation allows the radio to transmit on a different
frequency to which it receives . this allows operation
through local repeater stations . these repeater stations
automatically re-transmit your signal over a wider area,
providing greatly increased range .
duplex operation is only available on channels 1-8 and
41-48 . When duplex is selected on these channels, the
radio receives on that channel but actually transmits 30
channels higher, e .g .
* Emergency channel only
the tX3420 allows you to pre-select duplex operation
individually on each channel .
to select Duplex on individual channels
1 . select the required channel 1-8 or 41-48 .
2 . briefly press the F key followed by the DuP key . ‘duP’
will appear on the display accompanied by a high beep .
to remove Duplex from a channel
1 . select the required channel 1-8 or 41-48 . ‘duP’ will be
visible on the display .
2 . briefly press the F key followed by the DuP key .
‘duP’ will disappear from the display accompanied
by a low beep .
standard microphone mc503b
optional microphone mc540b
channel
up
channel
down
Push to
talk PPt
Priority
skip / call
Channel Selected 1 2 3 4 5* 6 7 8 41 42 43 44 45 46 47 48
Receive Channel 1 2 3 4 5* 6 7 8 41 42 43 44 45 46 47 48
Transmit Channel 31 32 33 34 35* 36 37 38 71 72 73 74 75 76 77 78
skip / call
direct
channel
Entry
Keypad
menu/
Enter Key
clear Key down Key
up Key
Keylock Key
Push to talk