NX-200
104
ADJUSTMENT
Receiver Section
Item
Condition
Measurement
Adjustment
Specifi cations /
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. AF level
setting
[Panel test mode]
1) CH-Sig: 1-1
SSG
output:
–47dBm
(1mV)
(MOD:
1kHz/±1.5kHz)
Wide/Narrow:
Nar-
row
Beat Shift: Uncheck
Compander: Uncheck
1) Test Channel
Channel: 1
Test
Signaling
Mode: Analog
Signaling: 1
Wide/Narrow:
Nar-
row
Beat Shift: Uncheck
Compander: Uncheck
SSG
output:
–47dBm
(1mV)
(MOD: 1kHz/±1.5kHz)
SSG
DVM
AF VTVM
Dummy
load
Panel
ANT
Universal
connector
Panel
Volume
knob
Turn the Volume
knob to obtain
0.63V AF output.
0.63V±0.1V
2. Sensitivity 1
adjust
1) Adj item: [SENS1]
Adjust:
[
✳✳✳
]
2) Adj item:
[L
SENS1]
→
[L’ SENS1]
→
[C
SENS1]
→
[H’ SENS1]
→
[H
SENS1]
Adjust:
[
✳✳✳
]
Press
[ ] key to
store the adjust-
ment value.
1) Adj item:
[Sensitivity 1]
2) Adj item: [Low],
[Low’],
[Center],
[High’],
[High]
Press [Apply All]
button to store the
adjustment value.
SSG
AF VTVM
Oscilloscope
Panel
ANT
Universal
connector
Panel
[Panel
tuning
mode]
[
],
[
]
[PC test
mode]
[ ],[ ]
Write the value as
followings
[L SENS1] / [Low]
: 10 (Preset)
[L’ SENS1] / [Low’]
: 50 (Preset)
[C SENS1] / [Center]
: 95 (Fixed)
[H’ SENS1] / [High’]
: 135 (Fixed)
[H SENS1] / [High]
: 180 (Fixed)
3) Adj item:
[L
SENS1]
→
[L’ SENS1]
3) Adj item: [Low],
[Low’]
Increase the adjust-
ment value from
the preset value to
get the maximum
RSSI level.
Caution:
Perform the step 2 adjustments of “3. Sensi-
tivity 2 adjust” before performing the
[L SENS1] / [L’ SENS1] adjustment.
Adjust:
[
✳✳✳
]
SSG
output:
–90dBm
(7.08µV)
(MOD:
1kHz/±1.5kHz)
Press
[ ] key to
store the adjust-
ment value.
Press [Apply All]
button to store the
adjustment value.
3. Sensitivity 2
adjust
1) Adj item: [SENS2]
Adjust:
[
✳✳✳
]
2) Adj item:
[L
SENS2]
→
[L’ SENS2]
→
[C
SENS2]
→
[H’ SENS2]
→
[H SENS2]
Adjust:
[
✳✳✳
]
Press
[ ] key to
store the adjust-
ment value.
1) Adj item:
[Sensitivity 2]
2) Adj item: [Low],
[Low’],
[Center],
[High’],
[High]
Press [Apply All]
button to store the
adjustment value.
Write the value as
followings
[L SENS2] / [Low]
: 256 (Preset)
[L’ SENS2] / [Low’]
: 256 (Preset)
[C SENS2] / [Center]
: 256 (Preset)
[H’ SENS2] / [High’]
: 256 (Preset)
[H SENS2] / [High]
: 256 (Preset)