Kenwood NX-220 Service Manual page 82

NX-220
Item
Panel tuning mode
Open 1) Adj item: [SQL]
Squelch *6 Adjust: [✳✳✳]
(Squelch 2) Adj item: [S.QL_ _]→
level 5 [S.Q.L_ _]→[S.Q.L._ _]→
adjust) [S.Q.L._.]→[S.Q.L._._.]
SSG output: 12dB
[NXDN SINAD level for Ana-
Very log Narrow –4dB
Narrow] (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 1) Adj item: [LRSS]
RSSI at Adjust: [✳✳✳.]
–118dBm 2) Adj item: [L.RSS_]→
*7 [L.R.SS_]→[L.R.S.S_]→
[L.R.S.S._]→[L.R.S.S._.]
[Analog SSG output:
Narrow] –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
[Analog 1) Adj item: [LRSS]
Wide] Adjust: [✳.✳.✳.]
2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→
[L.R.S.S._]→[L.R.S.S._.]
SSG output:
–118dBm (0.28µV)
(MOD: 1kHz/±3kHz)
[NXDN 1) Adj item: [LRSS]
Very 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 (0.28µV)
(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).
82
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: [Open SSG
squelch (NXDN
Very Narrow)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level for Ana-
log Narrow –4dB
(MOD: 400Hz/±1.1kHz)
1) Adj item: [Low RSSI SSG
(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
Panel ANT
SP/MIC
connector
Panel ANT
SP/MIC
connector
Adjustment
Specifi cations /
Parts Method
[Panel tuning mode] Adjust with the ana-
After input signal log signal.
from SSG, press This item is ad-
[ ] key to store justed under the
the adjustment condition that MOD
value. is "400Hz" and De-
viation is "±1.1kHz"
[PC test mode] due to the circuit
After input signal confi guration.
from SSG, press
[Apply] button to Remark:
store the adjust- During production,
ment value. a fi xed value is writ-
ten.
200 (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 adjust-
ment value.
Adjust with the ana-
log signal.
Remarks