Kenwood NX-720 Service Manual page 88

NX-720
Item
Panel tuning mode
7.High RSSI 1) Adj item: [HRSS]
at -80dBm Adjust: [.]
*8 2) Adj item:
[H.RSS]
[Analog [H.R.SS]
Narrow] [H.R.S.S]
[H.R.S.S.]
[H.R.S.S._.]
SSG output:
-80dBm (22.4uV)
(MOD: 1kHz/±1.5kHz)
[Analog 1) Adj item: [HRSS]
Wide] 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)
[NXDN Very 1) Adj item: [HRSS]
Narrow] 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)
*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 1) Adj item: [SQLT]
(Tight) Adjust: []
2) Adj item:
[Analog [S.QLT]
Narrow] [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)
[Analog 1) Adj item: [SQLT]
Wide] 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)
88
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: SSG
[High RSSI (Analog
Narrow)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output:
–80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[High RSSI (Analog
Wide)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output:
–80dBm (22.4µV)
(MOD: 1kHz/±3kHz)
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)
1) Adj item: SSG
[Tight Squelch AF VM
(Analog Narrow)] 4
2) Adj item: [Low], Dummy
[Low'], [Center], load
[High'], [High] Distortion
SSG output: 12dB meter
SINAD level + 4dB Oscillo-
(MOD: 1kHz/±1.5kHz) scope
1) Adj item:
[Tight Squelch
(Analog Wide)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level + 4dB
(MOD: 1kHz/±3kHz)
Measurement
Test-
Unit Terminal Unit
ANT
Ext.SP
connec-
tor
ANT
Ext.SP
connec-
tor
Adjustment
Specifi cations/
Parts Method
[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.
[Panel tuning mode] "Squelch (Tight)"
After input signal will not be adjusted
from SSG, press correctly if MOD or
[ ] key to store Deviation is wrong.
the adjustment
value. Remark:
During production,
[PC test mode] a fi xed value is writ-
After input signal ten.
from SSG, press
·Analog Narrow
[Apply] button to
[S.QLT]→ 248
store the adjust-
[S.Q.LT]→ 248
ment value.
[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
Remarks