Kirisun DM588, Service Manual

Page: 37 / 151

DM588 Service Manual
Item Environment
Measurement Tool and Method
Index Requirement
Test Device Test Point Tool Method
14. Wide-Band
RSSI5
1) Set the tester to RX
state;
2) Set RF Gen Freq =
debugging frequency, and
Amplitude = -80dBm,
AFGen1 Freq: 1kHz;
FM:1.5kHz
1) Run the debugging software on
the PC, and set the tester to
adjustment mode;
2) Double click [Wide-Band RSSI 5],
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.
15. Maximum
Audio Power
1) Set the tester to RX
state;
2) Set RF Gen Freq to a
medium frequency, set
Amplitude: -47dBm,
AFGen1 Freq: 1kHz, FM
W:3kHz (wide band)/N:
1.5kHz (narrow band),
Filter: 50Hz-15kHz, Ext
Load: 16R, and rotate the
volume knob clockwise to
the end;
3) Set AC Level (unit W) to
the tester, and the.
General-purpose
tester
Connect
antenna
interface of the
radio to RF
IN/OUT
interface of the
tester, and
EXT-SPK+
interface of the
radio to AUDIO
IN interface of
the tester.
*
1) Observe the value of level meter;
2) Observe the value of ammeter;
3) To increase power, go to the
settings of the debugging software
on the PC.
1) Audio power
(BTL): 5±0.5W
@16Ω;
2) Current: < 1A
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