Kenwood NX-300 Service Manual page 108

NX-300
Item
Panel tuning mode
RSSI 1) Adj item: [Nv
reference RRSSI]
adjust *5 Adjust: [✳✳✳]
2) Adj item:
[NXDN [NvL RRSSI]→
Very [NvL' RRSSI]→
Narrow] [NvC RRSSI]→
[NvH' RRSSI]→
[NvH RRSSI]
Adjust: [✳✳✳]
SSG output: 12dB
SINAD level for
Analog Narrow
–3dB
(MOD: 1kHz/±1.5kHz)
*5: Because RSSI reference (NXDN Narrow) is adjusted by adjusting RSSI reference (Analog Narrow), it is not necessary to adjust RSSI reference
(NXDN Narrow).
5. Open 1) Adj item: [An SQL]
Squelch Adjust: [✳✳✳]
adjust *6 2) Adj item:
(Squelch [AnL SQL]→
level 5 [AnL' SQL]→
adjust) [AnC SQL]→
[AnH' SQL]→
[Analog [AnH SQL]
Narrow] Adjust: [✳✳✳]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±1.5kHz)
[Analog 1) Adj item: [Aw SQL]
Wide] Adjust: [✳✳✳]
2) Adj item:
[AwL SQL]→
[AwL' SQL]→
[AwC SQL]→
[AwH' SQL]→
[AwH SQL]
Adjust: [✳✳✳]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±3kHz)
[NXDN 1) Adj item: [Nv SQL]
Very Adjust: [✳✳✳]
Narrow] 2) Adj item:
[NvL SQL]→
[NvL' SQL]→
[NvC SQL]→
[NvH' SQL]→
[NvH SQL]
Adjust: [✳✳✳]
SSG output: 12dB
SINAD level for
Analog Narrow
–4dB
(MOD: 400Hz/±1.1kHz)
*6: Because Open Squelch (NXDN Narrow) is adjusted by adjusting Open Squelch (Analog Narrow), it is not necessary to adjust Open Squelch
(NXDN Narrow).
108
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: [RSSI Ref- SSG
erence (NXDN Very Distortion
Narrow)] meter
2) Adj item: [Low], Oscilloscope
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level for
Analog Narrow
–3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: SSG
[Open Squelch Distortion
(Analog Narrow)] meter
2) Adj item: [Low], Oscilloscope
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[Open Squelch
(Analog Wide)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level
(MOD: 1kHz/±3kHz)
1) Adj item: [Open
Squelch (NXDN
Very Narrow)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level for
Analog Narrow
–4dB
(MOD: 400Hz/±1.1kHz)
Measurement
Test-
Unit Terminal Unit
Panel ANT
Universal
connector
Panel ANT
Universal
connector
Adjustment
Specifi cations /
Parts Method
[Panel tuning mode] Adjust with the ana-
After input signal log 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.
[Panel tuning mode] "Open Squelch"
After input signal will not be adjusted
from SSG, press correctly if MOD
[ ] key to store the and Deviation are
adjustment value. wrong.
[PC test mode]
After input signal
from SSG, press
[Apply] button to
store the adjust-
ment value.
[Panel tuning mode] Adjust with the ana-
After input signal log signal.
from SSG, press This item is ad-
[ ] key to store the justed under the
adjustment value. condition that MOD
is "400Hz" and De-
[PC test mode] viation is "±1.1kHz"
After input signal due to the circuit
from SSG, press confi guration.
[Apply] button to
store the adjust-
ment value.
Remarks