NX-200
55
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations /
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
5. Open
Squelch
adjust
*6
(Squelch
level 5
adjust)
[Analog
Narrow]
1) Adj item: [An SQL]
Adjust:
[
✳✳✳
]
2) Adj item:
[AnL
SQL]
→
[AnL’
SQL]
→
[AnC
SQL]
→
[AnH’
SQL]
→
[AnH
SQL]
Adjust:
[
✳✳✳
]
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
Distortion
meter
Oscilloscope
Panel
ANT
Universal
connector
[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.
[Analog
Wide]
1) Adj item: [Aw SQL]
Adjust:
[
✳✳✳
]
2) Adj item:
[AwL
SQL]
→
[AwL’
SQL]
→
[AwC
SQL]
→
[AwH’
SQL]
→
[AwH
SQL]
Adjust:
[
✳✳✳
]
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: [Nv SQL]
Adjust:
[
✳✳✳
]
2) Adj item:
[NvL
SQL]
→
[NvL’
SQL]
→
[NvC
SQL]
→
[NvH’
SQL]
→
[NvH
SQL]
Adjust:
[
✳✳✳
]
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.
*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
adjust
*7
[Analog
Narrow]
1) Adj item: [An LRSSI]
Adjust:
[
✳✳✳
]
2) Adj item:
[AnL
LRSSI]
→
[AnL’
LRSSI]
→
[AnC
LRSSI]
→
[AnH’
LRSSI]
→
[AnH
LRSSI]
Adjust:
[
✳✳✳
]
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
Universal
connector
[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.