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ASTRO®APX™ 4000 Series
Digital Portable Radios
Quick Reference Card
RF Energy Exposure and Product Safety
Guide for Portable Two-Way Radios
ATTENTION!
This radio is restricted to Occupational use only. Before using
the radio, read the RF Energy Exposure and Product Safety
Guide for Portable Two-Way Radios which contains important
operating instructions for safe usage and RF energy awareness
and control for Compliance with applicable standards and
Regulations.
Radio Controls
Radio On/Off
Zones and Channels
Receiving and Transmitting
Sending an Emergency Alarm
*Default timer of Emergency button press to
activate Emergency is 50 milliseconds. This
timer is programmable, see Emergency
Operation in the user guide for details.
To exit emergency at any time, press and hold
the Emergency button.
Antenna
Accessory
Connector
Multi-Function Knob
(MFK):
Primary Feature:
_________________
Secondary Feature:
_________________
Battery
Microphone
•On – Press and hold the MFK until the display
lights up.
•Off – Press and hold the MFK until you see
Power off?, then press Menu Select button
below Yes.
1Press the MFK to see on the screen.
2Turn the MFK to scroll to desired zone or
channel.
3Press MFK to select the desired zone or
channel and exit Mode Change.
Top Lightbar
Side Button 1
__________
PTT Button
Top Side
(Select)
Button
__________ Main
Speaker
Microphone
Side Button 2
__________
LED
Menu Select
Buttons
Main Display
Top (Orange)
Button
__________
1Select zone/channel.
2Listen for a transmission.
OR
Press and hold Volume Set button.
OR
Press Monitor button and listen for activity.
3Adjust volume, if necessary.
4Press the PTT button to transmit; release to
receive.
1Press and hold the Emergency button*.
2The display shows Emergency and the
current zone/channel. Radio sounds a short,
medium-pitched tone, and the LED blinks red
momentarily.
3When acknowledgment is received, you hear
four beeps; alarm ends; and radio exits
emergency.
*PMLN6227C*
PMLN6227C
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