Motorola ASTRO APX O5, User Manual, Page: 68 / 166

Setting the ID of the Initial Control Head
This feature allows you to setup the control head in
the
Front Panel Programming (FPP) mode. During
the setup, the control heads are defined as Control
Head Number 1, Control Head Number 2, Control
Head Number 3 and Control Head Number 4.
1 Power off the radio by pressing the Power button.
2 Press and hold the left-most Menu Select button
and the emergency button simultaneously.
3 While continuing to depress these two buttons,
press the
Power button to power on the radio and
the control head.
The radio and the control head powers on into
FPP mode. The display shows the ID number of
the control head.
4 Turn the Mode knob to change the ID number of
the control head.
5 Press the Power button to power off the radio and
exit FPP mode.
6 Repeat step 1 to step 5 to set the ID number for
the rest of the attached control heads.
All Active Mode
The All Active mode enables all connected control
heads attached to the radio to operate concurrently
with each other. When you activate a feature on one
control head, the rest of the control heads have the
same activated features and indicators on their
respective display.
Note:
The multiple control head feature allows only
control heads of the same type to be
connected. Upon power up, if a control head
of a different type is connected to the radio,
the display of all the attached control heads
shows the FATAL error
CH MISMATCH
.
Activating and Deactivating Intercom in All Active
Mode
This feature only applies to control heads in the All
Active mode.
The intercom feature allows one control head user to
talk to another control head user in a Multiple Control
Head configuration. At any given time, when a control
head being operated has priority for the intercom call,
all other control heads are blocked until the active
Advanced Features
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