Kenwood NX-300 Service Manual page 54

NX-300
Item
Panel tuning mode
(K2,K4) Sensitivity adjust
2. Sensitivity 1 1) Adj item: [SENS1]
adjust Adjust: [✳✳✳]
(K2,K4) 2) Adj item:
[L SENS1]→[L' SENS1]→
[L' SENS1]→[C SENS1]→
[H' SENS1]
Adjust: [✳✳✳]
Press [ ] key to store
the adjustment value.
3) Adj item: [H SENS1]
Adjust: [✳✳✳]
Caution:
Perform the step 3 adjustments of "3. Sensi-
tivity 2 adjust (K2,K4)" before performing the
[H SENS1] adjustment.
SSG output:
–119dBm (0.25µV)
(MOD: 1kHz/±1.5kHz)
Press [ ] key to store
the adjustment value.
3. Sensitivity 2 1) Adj item: [SENS2]
adjust Adjust: [✳✳✳]
(K2,K4) 2) Adj item:
[L SENS2]→[L' SENS2]→
[C SENS2]→[H' SENS2]
Adjust: [✳✳✳]
SSG output:
–119dBm (0.25µV)
(MOD: 1kHz/±1.5kHz)
Press [ ] key to store
the adjustment value.
3) Adj item: [H SENS2]
Adjust: [✳✳✳]
Press [ ] key to store
the adjustment value.
4. RSSI 1) Adj item: [An RRSSI]
reference Adjust: [✳✳✳]
adjust *5 2) Adj item: [AnL RRSSI]→
[AnL' RRSSI]→
[Analog [AnC RRSSI]→
Narrow] [AnH' RRSSI]→
[AnH RRSSI]
Adjust: [✳✳✳]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
[Analog 1) Adj item: [Aw RRSSI]
Wide] Adjust: [✳✳✳]
2) Adj item: [AwL RRSSI]→
[AwL' RRSSI]→
[AwC RRSSI]→
[AwH' RRSSI]→[AwH RRSSI]
Adjust: [✳✳✳]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±3kHz)
54
ADJUSTMENT
Condition
PC test mode
equipment
1) Adj item: SSG
[Sensitivity 1] AF VTVM
2) Adj item: [Low], Oscilloscope
[Low'], [Center],
[High']
Press [Apply All]
button to store the
adjustment value.
3) Adj item: [High]
SSG output:
–119dBm (0.25µV)
(MOD: 1kHz/±1.5kHz)
Press [Apply All]
button to store the
adjustment value.
1) Adj item:
[Sensitivity 2]
2) Adj item: [Low],
[Low'], [Center],
[High']
SSG output:
–119dBm (0.25µV)
(MOD: 1kHz/±1.5kHz)
Press [Apply All]
button to store the
adjustment value.
3) Adj item: [High]
Press [Apply All]
button to store the
adjustment value.
1) Adj item: SSG
[RSSI Reference Distortion
(Analog Narrow)] meter
2) Adj item: [Low], Oscilloscope
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item:
[RSSI Reference
(Analog Wide)]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
SSG output: 12dB
SINAD level –3dB
(MOD: 1kHz/±3kHz)
Measurement
Test-
Unit Terminal Unit
Panel ANT Panel
Universal
connector
Adjustment
Specifi cations /
Parts Method
[Panel Write the value as
tuning followings
mode] [L SENS1] / [Low]: 100
[ ], [L' SENS1] / [Low']
[ ] : 115
[C SENS1] / [Center]
[PC test : 128
mode] [H' SENS1] / [High']
[ ],[ ] : 142
Increase the adjust-
ment value from 1
to get 12dB SINAD.
Decrease the
adjustment value
from 256 to get
12dB SINAD.
Write the value as
followings.
[H SENS2]/[High]
: 256
[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.
Remarks