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NX-800/800H
59
ADJUSTMENT
Item
Condition Measurement Adjustment
Specifi cations /
Remarks
Panel test mode PC test mode
Test-
equipment
Unit
Terminal
Unit Parts Method
[NXDN
Very
Narrow]
1) Adj item:
[Nv RRSSI]
Adjust: [
✳✳✳
]
2) Adj item:
[NvL RRSSI]
→
[NvL’ RRSSI]
→
[NvC RRSSI]
→
[NvH’ RRSSI]
→
[NvH RRSSI]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz,
Dev: ±1.5kHz)
1) Adj item:
[RSSI Ref-
erence (Very Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz,
Dev: ±1.5kHz)
SSG
AF VTVM
Oscilloscope
Distortion
meter
Dummy
load
ANT
Ext.SP
connec-
tor
[Panel
tuning
mode]
[ ],[ ]
[PC test
mode]
[ ],[ ]
[Panel test 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.
*5: Because “RSSI reference adjust” of NXDN Narrow is adjusted by adjusting “RSSI reference adjust [Analog Narrow]”, it is not necessary to
adjust “RSSI reference adjust” of NXDN Narrow.
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]
SSG output: 12dB
SINAD level +1dB
(MOD: 1kHz,
Dev: ±1.5kHz)
1) Adj item: [Open
Squelch (Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level +1dB
(MOD: 1kHz,
Dev: ±1.5kHz)
SSG
AF VTVM
Oscillo-
scope
Distortion
meter
Dummy
load
ANT
Ext.SP
connec-
tor
[Panel test 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
SSG output: 12dB
SINAD level +1dB
(MOD: 1kHz,
Dev: ±3kHz)
1) Adj item: [Open
Squelch (Wide)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level +1dB
(MOD: 1kHz,
Dev: ±3kHz)
[NXDN
Very
Narrow]
1) Adj item: [Nv SQL]
Adjust: [
✳✳✳
]
2) Adj item:
[NvL SQL]
→
[NvL’ SQL]
→
[NvC SQL]
→
[NvH’ SQL]
→
[NvH SQL]
SSG output: 12dB
SINAD level –2dB
(MOD: non)
1) Adj item:
[Open
Squelch (Very Narrow)]
2) Adj item: [Low],
[Low’], [Center],
[High’], [High]
SSG output: 12dB
SINAD level –2dB
(MOD: non)
Adjust with the ana-
log signal.
This item is ad-
justed under the
condition that MOD
is “non” due to the
circuit confi gura-
tion.
*6: Because “Squelch (Open) adjust” of NXDN Narrow is adjusted by adjusting “Squelch (Open) adjust [Analog Narrow]”, it is not necessary to
adjust “Squelch (Open) adjust” of NXDN Narrow.