Kenwood NX-720 Service Manual page 86

NX-720
Item
Panel tuning mode
5.Open 1) Adj item: [SQL]
Squelch *6 Adjust: []
(Squelch 2) Adj item:
level 5) [S.QL]
[S.Q.L]
[NXDN Very [S.Q.L.]
Narrow] [S.Q.L._.]
[S.Q.L._. _.]
SSG output: 12dB
SINAD level for
Analog Narrow
-4dB
(MOD: 400Hz/±1.1kHz)
*6: Because Open Squelch (NXDN Narrow) is adjusted by adjusting Open Squelch (Analog Narrow), it is not necessary to adjust Open Squelch (NXDN
Narrow).
6. Low RSSI 1) Adj item: [LRSS]
at -118dBm Adjust: [.]
*7
2) Adj item:
[L.RSS]
[Analog
[L.R.SS]
Narrow]
[L.R.S.S]
[L.R.S.S.]
[L.R.S.S._.]
SSG output:
-118dBm (0.28uV)
(MOD: 1kHz/±1.5kHz)
[Analog 1) Adj item: [LRSS]
Adjust: [...]
Wide]
2) Adj item:
[L.RSS]
[L.R.SS]
[L.R.S.S]
[L.R.S.S.]
[L.R.S.S._.]
SSG output:
-118dBm (0.28uV)
(MOD: 1kHz/±3kHz)
[NXDN Very 1) Adj item: [LRSS]
Adjust: []
Narrow]
2) Adj item:
[L.RSS]
[L.R.SS]
[L.R.S.S]
[L.R.S.S.]
[L.R.S.S._.]
SSG output:
-118dBm (0.28uV)
(MOD: 1kHz/±1.5kHz)
*7: Because Low RSSI at –118dBm (NXDN Narrow) is adjusted by adjusting Low RSSI at –118dBm (Analog Narrow), it is not necessary to adjust Low
RSSI at –118dBm (NXDN Narrow).
86
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: SSG
[Open Squelch AF VM
(NXDN Very Nar- 4
row)] Dummy
2) Adj item: load
[Low],[Low'], [Cen- Distortion
ter], [High'], [High] meter
SSG output: 12dB Oscillo-
SINAD level for scope
Analog Narrow
-4dB
(MOD: 400Hz/±1.1kHz)
1) Adj item: SSG
[Low RSSI (Analog
Narrow)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output:
–118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[Low RSSI (Analog
Wide)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output:
–118dBm (0.28µV)
(MOD: 1kHz/±3kHz)
1) Adj item:
[Low RSSI (NXDN
Very Narrow)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output:
–118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
Measurement
Test-
Unit Terminal Unit
ANT
Ext.SP
connec-
tor
ANT
Ext.SP
connec-
tor
Adjustment
Specifi cations/
Parts Method
[Panel tuning mode] Adjust with the ana-
After input signal log signal.
from SSG, press This item is adjusted
[ ] key to store under the condition
the adjustment that MOD is "400Hz"
value. and Deviation is
"±1.1kHz" due to the
[PC test mode] circuit confi guration.
After input signal
from SSG, press Remark:
[Apply] button to During production,
store the adjust- a fi xed value is writ-
ment value. ten.
171 (Fixed)
[Panel tuning mode]
After input signal
from SSG, press
[ ] key to store
the adjustment
value.
[PC test mode]
After input signal
from SSG, press
[Apply] button
to store the
adjustment value.
Adjust with the ana-
log signal.
Remarks