27ADVANCED OPERATIONSSELECTING AN O UTPUT P OWEREach channel is programmed with either high or low outputpower by your dealer. You can change the output power ofonly channels programmed as high.When you can reliably communicate with other parties withoutusing high power, select low power by pressing the keyprogrammed as RF Power Low. Each time you press RFPower Low, the output power toggles between high and low.• Using low power conserves battery power and reduces the risk ofinterfering with other communications.Note:◆ Pressing RF Power Low while using a channel programmed withlow power causes an error tone to sound.◆ When changing a channel from high power to low power, allchannels programmed with high power are changed to low.MONITOR/ S QUELCH O FFYou can use the Monitor/ Squelch Off key to listen to weaksignals that you cannot hear during normal operation and toadjust the volume when no signals are present on yourselected channel.Your dealer can program a key with one of 4 functions:• Squelch Off Momentary: Press and hold to hear backgroundnoise. Release the key to return to normal operation.• Squelch Off Toggle: Momentarily press to hear backgroundnoise. Press the key again to return to normal operation.• Monitor Momentary: Press and hold to deactivate QT, DQT, or5-Tone Signalling. Release the key to return to normal operation.• Monitor Toggle: Momentarily press to deactivate QT, DQT, or5-Tone Signalling. Press the key again to return to normaloperation.