Kenwood NX-720 Service Manual page 52

NX-720(G)/720
Item
Panel tuning mode
4. RSSI 1) Adj item: [RRSS]
reference Adjust: []
*5 2) Adj item:
[R.RSS]
[NXDN Very [R.R.SS]
Narrow] [R.R.S.S]
[R.R.S.S.]
[R.R.S.S._.]
SSG output: 12dB
SINAD level for
Analog Narrow
-3dB
(MOD: 1kHz/±1.5kHz)
*5: Because RSSI Reference (NXDN Narrow) is adjusted by adjusting RSSI Reference (Analog Narrow), it is not necessary to adjust RSSI Reference
(NXDN Narrow).
5. Open 1) Adj item: [SQL]
Squelch *6 Adjust: []
(Squelch 2) Adj item:
level 5) [S.QL]
[S.Q.L]
[Analog [S.Q.L.]
Narrow] [S.Q.L._.]
[S.Q.L._. _.]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±1.5kHz)
[Analog 1) Adj item: [SQL]
Wide 4k] Adjust: []
2) Adj item:
[S.QL]
[S.Q.L]
[S.Q.L.]
[S.Q.L._.]
[S.Q.L._. _.]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±2.4kHz)
[Analog 1) Adj item: [SQL]
Wide 5k] Adjust: []
2) Adj item:
[S.QL]
[S.Q.L]
[S.Q.L.]
[S.Q.L._.]
[S.Q.L._. _.]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±3kHz)
[NXDN Very 1) Adj item: [SQL]
Narrow] Adjust: []
2) Adj item:
[S.QL]
[S.Q.L]
[S.Q.L.]
[S.Q.L._.]
[S.Q.L._. _.]
SSG output: 12dB
SINAD level for
Analog Narrow -4dB
(MOD: 400Hz/±1.1kHz)
52
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: SSG
[RSSI Reference AF VM
(NXDN Very Nar- 4
row)] Dummy
2) Adj item: [Low], load
[Low'], [Center], Distortion
[High'], [High] meter
SSG output: 12dB Oscillo-
SINAD level for scope
Analog Narrow
–3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: SSG
[Open Squelch AF VM
(Analog Narrow)] 4
2) Adj item: [Low], Dummy
[Low'], [Center], load
[High'], [High] Distortion
SSG output: 12dB meter
SINAD level Oscillo-
(MOD: 1kHz/±1.5kHz) scope
1) Adj item:
[Open Squelch
(Analog Wide 4k)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±2.4kHz)
1) Adj item:
[Open Squelch
(Analog Wide 5k)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±3kHz)
1) Adj item:
[Open Squelch
(NXDN Very Nar-
row)]
2) Adj item:
[Low],[Low'], [Cen-
ter], [High'], [High]
SSG output: 12dB
SINAD level for
Analog Narrow
-4dB
(MOD: 400Hz/±1.1kHz)
Measurement
Test-
Unit Terminal Unit
ANT
Ext.SP
con-
nector
ANT
Ext.SP
con-
nector
Adjustment
Specifi cations/
Parts Method
[Panel tuning mode] Adjust with the ana-
After input signal log signal.
from SSG, press
[ ] key to store
the adjustment
value.
[PC test mode]
After input signal
from SSG, press
[Apply] button to
store the adjust-
ment value.
[Panel tuning mode] "Open Squelch"
After input signal will not be adjusted
from SSG, press correctly if MOD
[ ] key to store and Deviation are
the adjustment wrong.
value.
Remark:
[PC test mode] During production,
After input signal a fi xed value is writ-
from SSG, press ten.
[Apply] button to
store the adjust- ·Analog Wide 4k
ment value. [S.QL]→ 147
[S.Q.L]→ 147
[S.Q.L.]→ 147
[S.Q.L._.]→ 147
[S.Q.L._._.]→ 147
·Analog Narrow,
Wide 5k
[S.QL]→ 138
[S.Q.L]→ 138
[S.Q.L.]→ 138
[S.Q.L._.]→ 138
[S.Q.L._._.]→ 138
Adjust with the ana-
log signal.
This item is adjusted
under the condition
that MOD is "400Hz"
and Deviation is
"±1.1kHz" due to the
circuit confi guration.
Remark:
During production, a
fi xed value is written.
171 (Fixed)
Remarks