English
m
ASTRO
®
APX™
O9 Control Head Mobile Radio
Quick Reference Card
RF Energy Exposure and Product Safety
Guide for Mobile 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 Mobile 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 On/Off
Adjusting Volume
Selecting a Zone
Selecting a Channel
Radio Controls
Receiving and Transmitting
Press the Power On/Off button to toggle the
power on or off.
Turn the Volume knob clockwise to increase
volume or counterclockwise to decrease the
volume.
1 > or < to Zone. Press the Menu Select button
directly under the Zone.
2 U or D button until the desired zone is
displayed.
3 Press the Menu Select button directly below
Select to confirm the displayed zone.
4 Press the PTT button to begin transmitting on
the displayed zone channel.
1 > or < to Channel. Press the Menu Select
button directly under the Channel.
2 U or D button until the desired channel is
displayed.
3 Press the Menu Select button directly below
Select to confirm the selected channel.
4 Press the PTT button to begin transmitting on
the displayed zone channel.
1 Turn the Mode Knob to scroll to the required
channel.
2 Press PTT button to transmit on the selected
zone channel.
5
4
1
2 3
6
7
8
9
11 101213
14
15
16
17
18
Siren Control Buttons
Programmable Buttons (Top)
Response Selector
Directional Buttons
Orange Button
Public Address Button
Keypad
Data Feature Button
Mode Knob
4-Way Navigation Button
Home Button
Status Icons
Programmable Buttons
(Bottom)
Menu Select Buttons
Volume Knob
Display Backlight Control
Buttons
LED Indicators
Power On/Off Button
1 Take the microphone off hook.
2 Select zone/channel.
3 Listen for a transmission.
OR
Turn the Volume Knob.
OR
> or < to Monitor then press the Menu Select
button directly below Monitor and listen for
activity.
4 Adjust volume, if necessary.
5 Press the PTT button to transmit; release to
receive.
O9CH_QRG.book Page 3 Tuesday, September 3, 2013 12:45 PM