Control Top And Keypad Test Mode (Display Radio); Table 7.Test Frequencies; Table 8.Test Environments - Motorola ASTRO XTSTM 2500 Basic Service Manual

Performance Checks
Control Top
and Keypad
Test Mode
(Display Radio)
16
F1
F2
F3
F4
F5
F6
F7
F8
F9
No. of
Display
Beeps
1 CSQ Carrier Squelch
3 TPL Tone
Private-Line
11 AST ASTRO
12 USQ Carrier
Unsquelch
** All deviation values are based on deviation tuning of this mode.
This test mode is used to verify proper operation of all radio buttons and switches
if a failure is suspected.
1. Press and hold the Top Programmable Button; all segments on the display
will light, and the LED on the control top will illuminate a red color.
2. Release the Top Programmable Button; "3/0" appears, indicating that the
Top Programmable Button is in the open condition.
3. Press the Top Programmable Button again; "3/1" appears, indicating that
the Top Programmable Button is in the closed condition.
4. Rotate the Mode/Zone Selector Switch; "4/0" through "4/15" appears,
indicating that the selector switch is in mode/zone position 1 through 16.
5. Rotate the Three-Position Concentric Switch; "65/0" through "65/2"
appear.
6. Cycle through the 16-Position Programmable Switch; "67/0,"
"67/1," and "67/2" appear.
7. Rotate the Volume Control; "2/0" through "2/220" appear.
8. Press Side Button 1; "96/1" appears; release, "96/0" appears.
9. Press Side Button 2; "97/1"appears; release, "97/0" appears.
Table 7. Test Frequencies
VHF
Frequency
RX
136.075
142.075
154.275
160.175
168.125
173.925
–
–
–
Table 8. Test Environments
Description
RX: unsquelch if carrier detected
TX: mic audio
RX: unsquelch if carrier and
tone (192.8 Hz) detected
TX: mic audio + tone (192.8 Hz)
RX: none
TX: 1200Hz tone **
RX: unsquelch always
TX: mic audio
TX
136.025
142.125
154.225
160.125
168.075
173.975
–
–
–
Function