43
ADJUSTMENT
Measurement
Test-
equipment
Unit
Terminal
Adjustment
Unit
Parts
Method
Specifications/Remarks
Condition
Item
TK-390
4. TX high
1) Set panel test mode
Power meter Panel
ANT
Check
3.7W~5.2W
power
CH No. : 1
2.3A or less
check
Signalling No. : 1
Ammeter
PTT : ON
2) CH No. : 2
Signalling No. : 1
PTT : ON
3) CH No. : 3
Signalling No. : 1
PTT : ON
5. TX low
1) Set panel test mode
Panel
Top1/
1.0W
±
0.1W
power
CH No. : 3
Top2
1.2A or less
adjustment
Signalling No. : 1
Select POW
✽ ✽ ✽
LO
in panel tuning mode
PTT : ON
6. TX low
1) Set panel test mode
Check
0.5W~1.5W
power
CH No. : 1
1.2A or less
check
Signalling No. : 1
Set low power (Push Side2)
PTT : ON
2) CH No. : 2
Signalling No. : 1
Set low power (Push Side2)
PTT : ON
3) CH No. : 3
Signalling No. : 1
Set low power (Push Side2)
PTT : ON
7. DQT balance 1) Set panel test mode
Power meter Panel
ANT
Panel
Top1/
Make the demodu-
adjustment
CH No. : 3
Deviation
Top2
lation waves into
Signalling No. : 1
meter
square waves.
Select BLNC
✽ ✽ ✽
Oscilloscope
in panel tuning mode
Deviation meter filter setting
AG
Side
Universal
LPF : 3kHz
AF VTVM
HPF : OFF
PTT : ON