Kenwood NX-220 K Service Manual page 52

NX-220
Item
Panel tuning mode
5. 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
[Analog SINAD level +1dB
Narrow] (MOD: 1kHz/±1.5kHz)
[Analog 1) Adj item: [SQL]
Wide Adjust: [✳.✳.✳.]
2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→
[S.Q.L._._]→[S.Q.L._._.]
SSG output: 12dB
SINAD level +1dB
(MOD: 1kHz/±3kHz)
[NXDN 1) Adj item: [SQL]
Very Adjust: [✳✳✳]
Narrow] 2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→
[S.Q.L._._]→[S.Q.L._._.]
SSG output: 12dB
SINAD level for Ana-
log 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 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)
52
ADJUSTMENT (K TYPE)
Condition
PC test mode
equipment
1) Adj item: [Open SSG
Squelch (Analog
Narrow)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level +1dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Open
Squelch (Analog
Wide)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level +1dB
(MOD: 1kHz/±3kHz)
1) Adj item: [Open
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)
Measurement
Test-
Unit Terminal Unit
Panel ANT
SP/MIC
connector
Panel ANT
SP/MIC
connector
Adjustment
Specifi cations /
Parts Method
[Panel tuning mode] "Open Squelch"
After input signal will not be adjusted
from SSG, press correctly if MOD
[B] key to store the and Deviation are
adjustment value. wrong.
[PC test mode] Remark:
After input signal During production,
from SSG, press a fi xed value is writ-
[Apply] button to ten.
store the adjust- Narrow: 110 (Fixed)
ment value. Wide: 110 (Fixed)
Adjust with the ana-
log signal.
This item is ad-
justed under the
condition that MOD
is "400Hz" and De-
viation is "±1.1kHz"
due to the circuit
confi guration.
Remark:
During production,
a fi xed value is writ-
ten.
200 (Fixed)
[Panel tuning mode]
After input signal
from SSG, press
[B] key to store the
adjustment value.
[PC test mode]
After input signal
from SSG, press
[Apply] button to
store the adjust-
ment value.
Remarks