Kenwood NEXEDGE NX-820, Руководство по обслуживанию

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NX-820
88
ADJUSTMENT
Item
Condition Measurement Adjustment
Specifi cations/
Remarks
Panel tuning mode PC test mode
Test-
equipment
Unit
Termi-
nal
Unit Parts Method
7. High RSSI
at -80dBm
*8
[Analog
Narrow]
1) Adj item: [HRSS]
Adjust: [

]
2) Adj item:
[H.RSS]

[H.R.SS]

[H.R.S.S]

[H.R.S.S.]

[H.R.S.S._.]
SSG output:
-80dBm (22.4uV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [High
RSSI (Analog Nar-
row)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output:
–80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
SSG ANT
Ext.SP
connec-
tor
[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.
[Analog
Wide] 1) Adj item: [HRSS]
Adjust: [

]
2) Adj item:
[H.RSS]

[H.R.SS]

[H.R.S.S]

[H.R.S.S.]

[H.R.S.S._.]
SSG output :
-80dBm (22.4uV)
(MOD: 1kHz/±3kHz)
1) Adj item:
[High RSSI (Analog
Wide)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output:
–80dBm (22.4µV)
(MOD: 1kHz/±3kHz)
[NXDN Very
Narrow] 1) Adj item: [HRSS]
Adjust: [

]
2) Adj item:
[H.RSS]

[H.R.SS]

[H.R.S.S]

[H.R.S.S.]

[H.R.S.S._.]
SSG output :
-80dBm (22.4uV)
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[High RSSI (NXDN
Very Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output:
–80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
Adjust with the ana-
log signal.
*8: Because “RSSI at –80dBm adjust” of NXDN Narrow is adjusted by adjusting “RSSI at –80dBm adjust [Analog Narrow]”, it is not necessary to adjust
“RSSI at –80dBm adjust” of NXDN Narrow.
8. Squelch
(Tight)
[Analog
Narrow]
1) Adj item: [SQLT]
Adjust: [

]
2) Adj item:
[S.QLT]

[S.Q.LT]

[S.Q.L.T]

[S.Q.L.T.]

[S.Q.L.T. _.]
SSG output: 12dB
SINAD level + 4dB
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[Tight Squelch
(Analog Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level + 4dB
(MOD: 1kHz/±1.5kHz)
SSG
AF VM
4

Dummy
load
Distortion
meter
Oscillo-
scope
ANT
Ext.SP
connec-
tor [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.
“Squelch (Tight)”
will not be adjusted
correctly if MOD or
Deviation is wrong.
Remark:
During production, a
fi xed value is written.
·Analog Narrow
[S.QLT]
→
248
[S.Q.LT]
→
248
[S.Q.L.T]
→
248
[S.Q.L.T.]
→
248
[S.Q.L.T._.]
→
248
·Analog Wide
[S.QLT]
→
255
[S.Q.LT]
→
255
[S.Q.L.T]
→
255
[S.Q.L.T.]
→
255
[S.Q.L.T._.]
→
255
[Analog
Wide] 1) Adj item: [SQLT]
Adjust: [

]
2) Adj item:
[S.QLT]

[S.Q.LT]

[S.Q.L.T]

[S.Q.L.T.]

[S.Q.L.T. _.]
SSG output: 12dB
SINAD level + 4dB
(MOD: 1kHz/±3kHz)
1) Adj item:
[Tight Squelch
(Analog Wide)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level + 4dB
(MOD: 1kHz/±3kHz)