NX-320
43
ADJUSTMENT (K TYPE)
Item
Condition
Measurement
Adjustment
Specifi cations /
Remarks
Panel test mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
4. MIC
sensitivity
check
1) CH-Sig: 1-1
AG:
1kHz
PTT:
ON
1) Test Channel
Channel: 1
Test
Signaling
Mode: Analog
Signaling: 1
AG:
1kHz
PTT: Press [Trans-
mit] button.
Deviation
meter
Oscilloscope
AG
AF VTVM
Panel
ANT
SP/MIC
connector
Adjust AG input
to get a standard
MOD.
12.5mV±5.8mV
5. Sensitivity
check
1) CH-Sig : 1-1
SSG
output
Wide:
–117dBm
(0.32µV)
(MOD: 1kHz/±3kHz)
Narrow:
–117dBm
(0.32µV)
(MOD: 1kHz/±1.5kHz)
1) Test Channel
Channel: 1
Test
Signaling
Mode: Analog
Signaling: 1
SSG
output
Wide:
–117dBm
(0.32µV)
(MOD: 1kHz/±3kHz)
Narrow:
–117dBm
(0.32µV)
(MOD: 1kHz/±1.5kHz)
SSG
AF VTVM
Oscilloscope
Distortion
meter
8
Ω
dummy
load
Panel
ANT
SP/MIC
connector
Check
12dB SINAD or
more
Common Section
Item
Condition
Measurement
Adjustment
Specifi cations /
Remarks
Panel tuning mode
PC test mode
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Setting
1) BATT terminal voltage: 7.5V
2) SSG standard modulation
[Wide] MOD: 1kHz, DEV: 3kHz
[Narrow] MOD: 1kHz, DEV: 1.5kHz
2. Counter-
clockwise
Volume
1) Adj item: [VOL1]
Adjust:
[
✳✳✳
]
1) Adj item:
[Counterclockwise
Volume]
[Panel tuning mode]
Turn the volume
knob counterclock-
wise fully. Press
[B] key to store the
adjustment value.
[PC test mode]
Turn the volume
knob counterclock-
wise fully. Press
[Apply] button to
store the adjust-
ment value.
This item is needed
when the variable
resistor (R31-0685-
05) is replaced.
3. Clockwise
volume
1) Adj item: [VOL2]
Adjust:
[
✳✳✳
]
1) Adj item:
[Clockwise
Volume]
[Panel tuning mode]
Turn the volume
knob clockwise
fully. Press [B] key
to store the adjust-
ment value.
[PC test mode]
Turn the volume
knob clockwise
fully. Press [Apply]
button to store the
adjustment value.
This item is needed
when the variable
resistor (R31-0685-
05) is replaced.