APX 4000
APX 4000: EMERGENCY Operation
Declaring an Emergency – Ground
Channel
• Instantaneous Transmit
• Emergency Alert will be broadcast to all radios within
range, and selected on the same channel
• “HOT MIC”: When activated, your microphone will
automatically open for 10 Seconds. LCD screen will
feature Emergency operation indicators in orange
• Emergency Button must be depressed to activate
an emergency
• Identify yourself and state your emergency
• You will NOT be heard at the Dispatch Center
Zone Ba tt Nuis