NX-320
52
ADJUSTMENT (K TYPE)
Item
Condition
Measurement
Adjustment
Specifi cations /
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
5. Open
Squelch *6
(Squelch
level 5
adjust)
[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
Panel
ANT
SP/MIC
connector
[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.
“Open Squelch”
will not be adjusted
correctly if MOD
and Deviation are
wrong.
Remark:
During production,
a fi xed value is writ-
ten.
Narrow: 110 (Fixed)
Wide: 110 (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)
[NXDN
Very
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 for Ana-
log Narrow –4dB
(MOD: 400Hz/±1.1kHz)
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)
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)
*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
RSSI at
–118dBm
*7
[Analog
Narrow]
1) Adj item: [LRSS]
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/±1.5kHz)
1) Adj item: [Low RSSI
(Analog Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG
output:
–118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
SSG
Panel
ANT
SP/MIC
connector
[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.
[Analog
Wide]
1) Adj item: [LRSS]
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)
1) Adj item: [Low RSSI
(Analog Wide)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG
output:
–118dBm (0.28µV)
(MOD: 1kHz/±3kHz)