APX 4500 O2 CH
25
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Making a Radio Call
GENERAL RADIO OPERATION
You can select a zone, channel, subscriber ID, or talkgroup by using:
• The preprogrammed Zone switch
• The Multi-function Knob (MFK)
• A preprogrammed One Touch Call button
• The Contacts list
Note: If the feature inactivity timer is enabled, your radio automatically exits the feature when your radio is left idle long enough
for the time to expire. You will hear the Menu Inactive Exit Tone upon feature exit.
Emergency Button*
Menu Select
Buttons
CHANNEL UP/DOWN
Dimmer
Button
SPEAKER
VOLUME
Power Button
Home
Button*
LED
Indicators
Accessory Port
(Microphone)