APX 4000
Zone Batt Nuis
To Transmit
• Verify the channel you want to
communicate with on the LCD Display
• Listen for ongoing traffic and ensure the
channel is clear before pressing the Push-
To-Talk (PTT) Switch
• Press the PTT Switch, wait for the Talk
Permit Tone and speak
• If you receive an out of range tone, hold
the PTT Switch to continue attempting
access
APX 4000: Transmit Operation
PTT Switch
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