26DISPLAY BRIGHTNESS (TK-7160/ TK-8160 O NLY)You can toggle the display brightness between high and low by pressing the keyprogrammed as LCD Brightness.• The default brightness level is set to high.DIRECT C HANNELOn TK-7160/ TK-8160 transceivers, press the key programmed as Direct Zone-Channel to immediately select the lowest channel of the lowest zone.On TK-7162/ TK-8162 transceivers, press the key programmed as Direct CH toimmediately select the lowest channel.M ONITOR/ SQUELCH O FFYou can use the key programmed as Monitor/ Squelch Off to listen to weaksignals that you cannot hear during normal operation and to adjust the volumewhen no signals are present on your selected channel.• The icon appears on the display while Monitor/ Squelch Off is activated.Your dealer can program a key with one of 4 functions:• Monitor: Momentarily press to deactivate QT, DQT, DTMF, 5-tone, or FleetSyncSignaling. Press the key again to return to normal operation.• Monitor Momentary: Press and hold to deactivate QT, DQT, DTMF, 5-tone, orFleetSync Signaling. Release the key to return to normal operation.• Squelch Off: Momentarily press to hear background noise. Press the key again toreturn to normal operation.• Squelch Off Momentary: Press and hold to hear background noise. Release the keyto return to normal operation.■ Squelch LevelIf a key has been programmed as Squelch Level, you can readjust yourtransceiver’s squelch level:1 Press the key programmed as Squelch Level.• The icon and the current squelch level appears on the display.2 Press the and C> keys to select the desired squelch level.3 Press the S or key to store the new setting and exit Squelch LevelAdjustment mode.