H
1
4
23
65
798
*#0
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D
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Button Test
Place radio in Test Mode.
Press Top Side Button
(Monitor) so display reads CH
TEST. This places the radio in
button test mode. Then, press
the orange (Emergency) Top
Button to verify codes
displayed as shown in the
Button Table at right
Keys
correct?
Check signal
path integrity of
button in question
End
No
Yes
Navigation
Button
Synopsis
This chart relates to a failure in the button functions Basic Failure
modes are as follows:
1) Failure in control top, side controls, or keypad flex assembly 
2) Bad Connection
3) Defective Switches or pads
4) Defective Vocon Board
Button Table
Button Code
PTT  1/0-1
Top Button (Emergency)      148/0-1
Side Button 1 96/0-1
Side Button 2 97/0-1
Side Button 3 98/0-1
Channel Select (Frequency) 4/0-15
Volume Control Knob     2/0-244
ABC Toggle Switch 67/0-2
Secure/Clear Select 65/0-1
135/1
128/1 130/1
136/1
132/1 133/1131/1
134/1129/1
51/150/149/1
52/1 53/1 54/1
55/1 56/1 57/1
58/1 48/1 59/1