APX 4500 O2 CH
15
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CONTENTS
Programmable Features
IDENTIFYING RADIO CONTROLS
Any reference in this manual to a control that is
“preprogrammed” means that the control must be
programmed by a dealer or a qualified radio technician using
the radio’s programming software, in order to assign a feature
to that control.
The programmable buttons can be programmed as shortcuts
to radio functions or preset channels/groups depending on
the duration of a button press:
•
Press
–
Pressing and releasing rapidly.
•
Long press
–
Pressing and holding for the programmed
duration (between 0.25 seconds and 3.75 seconds).
•
Hold down
–
Keeping the button pressed.
One Touch Button
Each of the four
Menu Select
buttons, the
Emergency
button and the three
Accy
buttons on the microphone are
programmable buttons which can be preprogrammed by a
qualified radio technician to a default function which is
activated upon a short press.
