TX670 INSTRUCTION MANUAL PAGE 13
GENERAl OPERATION
POWER ON/OFF
Rotate the Volume control clockwise past the ‘click’ to
turn the radio ON. Rotate the control counter-clockwise
past the click to turn the radio OFF again.
ADJUSTING THE VOLUME
Withtheunitpoweredon,rotatetheVolume
control clockwise to increase the volume and counter-
clockwise to decrease the volume.
DISPLAY LIGHTING
The LCD backlighting activates automatically whenever
a key is pressed and turns off automatically after about
5 seconds.
RECEIVING SIGNALS
WhiletheTX670isnotreceivingsignals,itwillremain
in the Standby mode to conserve battery power.
Whenasignalisreceived,theLEDindicatoronthe
upper edge of the radio will light green and the
icon
will appear on the display. Adjust the Volume control
for a comfortable listening level.
If the incoming signal is encoded with a CTCSS
tonethatmatchestheonesetinyourradio,theLED
indicator will light orange and you will be able to hear
the signal in the speaker.
If the LED indicator lights green and the
icon
appearsbutyoucannothearthesignal,itislikelythat
your radio has CTCSS enabled and the incoming signal
is not using your selected CTCSS tone (see ‘Mode
Settings’ for more details on CTCSS settings).