Performance Checks: Receiver Performance Checks 5-7
5.2.4 RGB Test Mode
To perform the RGB Color Test:
1. Press and release Top Button (Orange button)
2. Press any key; Crosstalk test patterns appears.
3. Press any key; White color test appears.
4. Press any key; Red color horizontal lines appears.
5. Press any key until all 13 red color horizontal lines appears.
6. Press any key; Green color vertical line appears.
7. Press any key until all 13 green color vertical lines appears.
8. Press any key; Black color test appears.
9. Press any key; Blue color test appears.
10. Press any key; Vendor specific display test appears.
11. Press any key; "Test completed" appears.
5.3 Receiver Performance Checks
The following tables outline the performance checks for the receiver.
Table 5-5. Receiver Performance Checks
Test Name System Analyzer Radio Test Set Comments
Reference
Frequency
RF Control: Monitor
Meter: RF Display
Display: Bar Graphs
Freq: Selected radio TX
freq.
TEST MODE CSQ
channel* or
programmed
conventional
channel
PTT to continuous
(during the
performance
check)
900 MHz: ±1.5ppm
Rated Audio RF Control: Gen
Output Level: -47 dBm
Freq: Selected radio RX
freq.
Mod: 1kHz tone @ 3kHz
dev.
Meter: AC Volts
As above PTT to OFF
(center)
Set volume control to
3.74 Vrms
Distortion As above, except
Meter: Ext Dist.
As above As above Distortion < 3.0%
Sensitivity
(SINAD)
As above, except
Meter: SINAD
As above As above RF input to be < 0.35 µV
Noise Squelch
Threshold
(only radios
with
conventional
system need
to be tested)
Set as for rated audio
check
Out of TEST
MODE; select a
conventional
system
As above Set volume control to
3.74 Vrms.
Set RF level to -130 dBm
and raise until radio
unsquelches.
Unsquelch to occur at
< 0.25 µV. Preferred SINAD
= 6-8 dB.
* See Table 5-4.
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