Kirisun DM588, Service Manual

Page: 33 / 151

DM588 Service Manual
Item Environment
Measurement Tool and Method
Index Requirement
Test Device Test Point Tool Method
6. Squelch Level 9
off for Analogue
Narrow Band
1) Set the tester to RX
state;
2) Set RF Gen Freq =
debugging frequency;
3) Set Amplitude =
-119dBm:
AFGen1 Freq: 1kHz;
FM:1.5kHz
1) Run the debugging software on
the PC, and set the tester to
adjustment mode;
2) Disable Squelch Level 9 for
Analogue Narrow Band, and click
[Low Frequency], click Start. Click
stop when the value is stable;
3) Repeat the above steps on
medium and high frequencies
respectively.
7. Squelch Level 1
on for Analogue
Wide Band
1) Set the tester to RX
state;
2) Set RF Gen Freq =
debugging frequency;
3) Set Amplitude =
-123dBm:
AFGen1 Freq: 1kHz;
FM:3kHz
General-purpose
tester
Connect
antenna
interface of the
radio to RF
IN/OUT
interface of the
tester
PC
1) Run the debugging software on
the PC, and set the tester to
adjustment mode;
2) Enable Squelch Level 1 for
Analogue Wide Band, click [Low
Frequency], and click Start. Click
stop when the value is stable;
3) Repeat the above steps on
medium and high frequencies
respectively.
(Squelch Level 3)
Squelch on under an
input of -119dBm,
and off under
-125dBm
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