Kirisun DM588 - Page 35

DM588 Service Manual
Item Environment
Measurement Tool and Method
Index Requirement
Test Device Test Point Tool Method
10. Squelch Level
9 off for Analogue
Wide Band
1) Set the tester to RX
state;
2) Set RF Gen Freq =
debugging frequency;
3) Set Amplitude =
-119dBm:
AFGen1 Freq: 1kHz;
FM:3kHz
1) Run the debugging software on
the PC, and set the tester to
adjustment mode;
2) Disable Squelch Level 9 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.
11. Narrow-Band
RSSI 1
1) Set the tester to RX
state;
2) Set RF Gen Freq =
debugging frequency;
3) Set Amplitude =
-120dBm:
AFGen1 Freq: 1kHz;
FM:1.5kHz
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) Double click [Narrow-Band RSSI
1], and click [Low Frequency];
3) Click Start. When the value
become stable, click Stop;
3) Repeat the above steps on
medium and high frequencies
respectively.
Display 1 bar at
input signal <=
-115dBm;
Display 4 bars at
input
signal >=75dBm
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