(No.RA032<Rev.001>)1-69
4.10 Receiver Section
Item
Condition
Measurement
Adjustment
Specifi-
cations
/Remarks
Panel tuning mode
PC test mode
Test-
equip-
ment
Unit
Ter-
minal
Unit
Parts
Method
1.
AF level
setting
[Panel test mode]
1) CH-Sig: 1-1
SSG output:
-47dBm (1mV)
(MOD: 1kHz/
±1.5kHz)
1) Test Channel
Channel: 1
Test Signaling
Mode: Analog
Signaling: 1
SSG output:
-47dBm (1mV)
(MOD:1kHz/
±1.5kHz)
SSG
DVM
AF VM
Dummy
load
Panel ANT
Ext.
SP
con-
nector
Panel [Panel
tuning
mode]
[+], [-]
[PC
test
mode]
[
←
],
[
→
]
Volume Up/Down knob to
obtain 1.41V AF output.
(0.5W @ 4
Ω
load)
1.41V
±0.1V
2. RSSI
refer-
ence
[Analog
Narrow]
1) Adj item:
[An RRSSI]
Adjust:[***]
2) Adj item:
[700M RX/TA
Low]
→
[700M RX/TA
Center]
→
[700M RX/TA
High]
→
[800M RX/TA
Low]
→
[800M RX/TA
Ceter]
→
[800M RX/TA
High]
SSG output:
12dB SINAD level
-3dB
(MOD: 1kHz/
±1.5kHz)
1) Adj item:
[RSSI Reference
(Analog Narrow)]
2) Adj item:
[Frequency:
700 MHz Band]
[RX/TA Low]
→
[RX/TA Center]
→
[RX/TA High]
[Frequency:
800MHz Band]
[RX/TA Low]
→
[RX/TA Ceter]
→
[RX/TA High]
SSG output:
12dB SINAD level
-3dB
(MOD: 1kHz/
±1.5kHz)
SSG
Distor-
tion
meter
Oscil-
loscop
Panel ANT
Ext.
SP
con-
nector
Panel
[Panel tuning mode]
After input signal from
SSG, press [ key to
store the adjustment val-
ue.
PC test mode]
After input signal from
SSG, press [Apply] button
to store the adjustment
value.
3. Open
Squelch
[Analog
Wide
5k]
1) Adj item:
[Aw SQL]
Adjust:[***]
2) Adj item:
[700M RX/TA
Low]
→
[700M RX/TA
Center]
→
[700M RX/TA
High]
→
[800M RX/TA
Low]
→
[800M RX/TA
Ceter]
→
[800M RX/TA
High]
SSG output:
12dB SINAD level
-3dB
(MOD: 1kHz/
±3kHz)
1) Adj item:
[Open Squelch
(Analog Wide 5k)]
2) Adj item:
[Frequency:
700 MHz Band]
[RX/TA Low]
→
[RX/TA Center]
→
[RX/TA High]
[Frequency:
800MHz Band]
[RX/TA Low]
→
[RX/TA Ceter]
→
[RX/TA High]
SSG output:
12dB SINAD level
-3dB
(MOD: 1kHz/±3kHz)
SSG
Distor-
tion
meter
Oscil-
loscop
Panel ANT
Ext.
SP
con-
nector
Panel
[Panel tuning mode]
After input signal from
SSG, press [ ] key to
store the adjustment val-
ue.
[PC test mode]
After input signal from
SSG, press [Apply] button
to store the adjustment
value.
Содержание NX-5900
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