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GME TX3340 User Manual

Page 5

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channel up

Push-to-talk (Ptt)

skip/call

channel down

menu / F Key

Power Key

Quiet/duplex

Key

squelch/AlPhA

Key

scAn/os/Gs

Key

Pri Key/Keylock

microphone

Volume up Key

Volume down Key

lcd display

t X 3 3 4 0

i n s t r u c t i o n m A n uA l

PA G E 5

Designed and Manufactured in Australia: the tX3340 has
been totally designed and manufactured in Gladesville nsW
to meet the demanding needs of the Australian community

GENErAl OPErATION

MC520b MiCroPhone/Controller

FunCtion Keys

there are several keys beneath the microphone controller’s
display that have both primary and secondary functions. their
primary functions are printed in Black while their secondary
functions are printed in red.

To access the primary functions

simply press the required key. e.g. to control the squelch,
briefly press the SQL key.
To access the secondary functions
Press the red F key followed immediately by the required red
coloured key.

NOTE: if the secondary key is not pressed within 10 seconds
the F key selection will be cancelled.

VoluMe Key

Press the + key to increase the volume and the key to
decrease the volume.

NOTE: At minimum volume setting there is still sufficient
volume to be heard in a quiet cabin environment.

seleCting Channels
Press the or keys to step upwards or step downwards
one or more channels.

KeyloCK Feature
the

key locks the keys on the microphone to prevent

unintentional key presses from altering your tX3340 settings.
While the keys are locked, only the PTT (Push-to-talk), SQL
key, on/off, Volume keys, the F key and the

(Keylock) key

will continue to function.
To lock the keys
Briefly press the

F key, then press and hold the

key until a

high beep is heard. ‘locK’ will appear briefly on the display.
To unlock the keys
Briefly press the

F key, then press and hold the

key until a

low beep is heard. ‘ulocK’ will appear briefly on the display.

transMitting

Prior to transmitting, always check the channel is not being used.

this can be done by either listening or by checking the ‘Busy’

indicator is not lit.

to transmit, press the PTT button. hold the microphone about
5-8 cm from your face and speak at a normal voice level.
the microphone is quite sensitive so it is not necessary to raise
your voice or shout. release the PTT when you have
finished talking.

IMPORTANT: Always listen to ensure the channel is free
before transmitting.