Kenwood NEXEDGE NX-820, Руководство по обслуживанию

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NX-820
84
ADJUSTMENT
Item
Condition Measurement Adjustment
Specifi cations/
Remarks
Panel tuning mode PC test mode
Test-
equipment
Unit
Termi-
nal
Unit Parts Method
4. RSSI
reference
*5
[Analog
Wide]
1) Adj item: [RRSS]
Adjust: [

]
2) Adj item:
[R.RSS]

[R.R.SS]

[R.R.S.S]

[R.R.S.S.]

[R.R.S.S._.]
SSG output: 12dB
SINAD level -3dB
(MOD: 1kHz/±3kHz)
1) Adj item:
[RSSI Reference
(Analog Wide)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±3kHz)
SSG
AF VM
4

Dummy
load
Distortion
meter
Oscillo-
scope
ANT
Ext.SP
con-
nector [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.
[NXDN Very
Narrow] 1) Adj item: [RRSS]
Adjust: [

]
2) Adj item:
[R.RSS]

[R.R.SS]

[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)
1) Adj item:
[RSSI Reference
(NXDN Very Nar-
row)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level for
Analog Narrow
–3dB
(MOD: 1kHz/±1.5kHz)
Adjust with the ana-
log signal.
*5: Because RSSI Reference (NXDN Narrow) is adjusted by adjusting RSSI Reference (Analog Narrow), it is not necessary to adjust RSSI Refer-
ence (NXDN Narrow).
5.Open
Squelch *6
(Squelch
level 5)
[Analog
Narrow]
1) Adj item: [SQL]
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/±1.5kHz)
1) Adj item:
[Open Squelch
(Analog Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±1.5kHz)
SSG
AF VM
4

Dummy
load
Distortion
meter
Oscillo-
scope
ANT
Ext.SP
con-
nector [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.
“Open Squelch”
will not be adjusted
correctly if MOD and
Deviation are wrong.
Remark:
During production, a
fi xed value is written.
138 (Fixed)
[Analog
Wide] 1) Adj item: [SQL]
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)
1) Adj item:
[Open Squelch
(Analog Wide)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±3kHz)