1-30 (No.RA035<Rev.001>)
4.7
Receiver Section
Item
Condition
Measurement
Adjustment
Specifications
/Remarks
Test-
equipment
Unit Terminal Unit Parts
Method
1.
AF level
setting
1) Test Channel
Channel: 1
Test Signaling Mode: Analog
Signaling: 1
Wide/Narrow: Narrow Beat
Shift: Uncheck Compander:
Uncheck
SSG output:-47dBm (1mV)
(MOD:1kHz/±1.5kHz)
SSG
DVM AF VM
Dummy load
ANT
SP/MIC
connec-
tor
Vol-
ume
knob
Turn the Volume knob
to obtain 1.0V AF out-
put.
1.0V±0.2V
2.
Sensitivity
1
(SENS1)
1) Adj item: [Sensitivity 1]
2) Adj item:[Low], [Low’], [Cen-
ter], [High’], [High]
Press [Apply All] button to
store the adjustment value.
SSG
DVM AF VM
Dummy load
ANT
SP/MIC
connec-
tor
[FPU]
[<][>]
Press [Start] button of
“Auto Tuning”, or in-
crease the adjustment
value from the preset
value to get the maxi-
mum RSSI level.
SSG output: -100dBm
(2.24
μ
V) (MOD: 1kHz/
±1.5kHz)
Press [Apply All] but-
ton to store the adjust-
ment value after all
adjustment points
have been adjusted.
Preset value
Low : 50
Low' : 180
Center : 350
High’ : 480
High : 600
RSSI Peak
Caution:
Perform the adjust-
ment of “3. Sensitivi-
ty 2” before
performing this ad-
justment.
3.
Sensitivity
2
(SENS2)
1) Adj item: [Sensitivity 2]
2) Adj item:[Low], [Low’], [Cen-
ter], [High’], [High]
Press [Apply All] button to
store the adjustment value.
SSG
DVM AF VM
Dummy load
ANT
SP/MIC
connec-
tor
[FPU]
[<][>]
Write Preset value.
(Fixed value)
Low : 100
Low' : 240
Center : 365
High’ : 430
High : 520
4.*
RSSI Ref-
erence
1) Adj item:
[RSSI Reference (Analog Nar-
row)]
2) Adj item:[Low], [Low’], [Cen-
ter], [High’], [High]
SSG output:12dB SINAD level
-3dB (MOD:1kHz/±1.5kHz)
SSG
DVM AF VM
Dummy load
ANT
SP/MIC
connec-
tor
[FPU]
[<][>]
After input signal from
SSG, press [Apply]
button to store the ad-
justment value.
*: Because RSSI
Reference (Analog
Wide and DMR) is
adjusted by adjust-
ing RSSI Reference
(Analog Narrow), it is
not necessary to ad-
just RSSI Reference
(Analog Wide and
DMR).
5.
Open
Squelch
(DMR)
1) Adj item:[Open Squelch
(DMR)]
2) Adj item:[Low], [Low’], [Cen-
ter], [High’], [High]
Reference SSG output:
12dB SINAD level@Analog
Narrow -3dB
(CW (without modulation))
SSG
Distortion
meter
Oscilloscope
ANT
SP/MIC
connec-
tor
[FPU]
[<][>]
After input signal from
SSG, press [Apply]
button to store the ad-
justment value.