Performance Checks: Display Radio Test Mode 5-5
5.2.3 CH Test Mode
This test mode is used to verify proper operation of all radio buttons and switches if a failure is
suspected.
To perform the buttons and switches checks:
1. Press the Top Side Button until CH TEST appears. Then press Top Button.
2. Release the Top Button; “148/0” appears, which indicates that the Top Button is in the
open position.
3. Press the Top Button again; “148/1” appears, which indicates that the Top Button is in the
closed position.
4. Press the Top Side Button; “96/1” appears; release, “96/0” appears.
5. Press Side Middle Button; “97/1” appears; release, “97/0” appears.
Table 5-3. Test Frequencies (MHz)
Test
Channel
UHF1 UHF2 VHF 700–800 MHz
RX TX RX TX RX TX RX TX
F1
380.075 380.025 450.075 450.025 136.075 136.025 764.0625 764.0125
F2
390.075 390.025 460.075 460.025 142.075 142.125 769.0625 769.0125
F3
400.075 400.025 471.075 471.025 154.275 154.225 775.9375 775.9875
F4
411.075 411.025 484.925 484.975 160.175 160.125 851.0625 794.0125
F5
424.975 424.925 485.075 485.025 168.125 168.075 860.0625 809.0125
F6
435.075 435.025 495.075 495.025 173.925 173.975 869.9375 823.9875
F7
445.075 445.000 506.075 506.025 – – 851.0625 851.0125
F8
445.075005 445.000005 519.925 519.975 – – 860.0625 860.0125
F9
457.075 457.025 – – – – 869.9375 869.8875
F10
469.975 469.925 – – – – – –
Table 5-4. Test Environments
Display Description Function
CSQ Carrier
Squelch
RX: unsquelch if carrier detected
TX: mic audio
TPL Tone
Private-Line
RX: unsquelch if carrier and tone (192.8 Hz)
detected
TX: mic audio + tone (192.8 Hz)
AST ASTRO RX: none
TX: Digital Voice
***
USQ Carrier
Unsquelch
RX: unsquelch always
TX: mic audio
***All deviation values are based on deviation tuning of this
mode.
To Next Page
Loading...
Need help?
General
