Adjustment – Kenwood TK-480 User Manual
Page 39

ADJUSTMENT
Measurement
Test-
equipment
Unit
Terminal
Adjustment
Unit
Parts
Method
Specifications/Remarks
Condition
Item
38
TK-480/481
15. QT DEV
1) SYS – GRP : 4 – ✽
Power meter Panel
ANT
Panel
Encoder TK-480 : 0.75kHz
±
0.05kHz
adjustment
MIC input : OFF
Deviation
knob
TK-481 : 0.45kHz
Select
FQT ✽ ✽ ✽
meter
in tuning mode.
Oscilloscope
Deviation meter filter setting
LPF : 3kHz
AG
HPF : 50Hz
AF VTVM
De-emphasis : 750
µ
s
PTT : ON
16. DQT DEV
1) SYS – GRP : 4 – ✽
adjustment
Select
FDQT ✽ ✽ ✽
in tuning mode.
Deviation meter filter setting
LPF : 3kHz
HPF : OFF
PTT : ON
17.LTR DEV
1) SYS – GRP : 4 – ✽
TK-480 : 1.00kHz
±
0.10kHz : TK-480
adjustment
Select
FLTR ✽ ✽ ✽
TK-481 : 0.75kHz
±
0.05kHz : TK-481
in tuning mode.
Deviation meter filter setting
LPF : 3kHz
HPF : OFF
PTT : ON
18. DTMF DEV 1) SYS – GRP : 4 – ✽
TK-480 : 3.00kHz
±
0.15kHz : TK-480
adjustment
Select
DTMF ✽ ✽ ✽
TK-481 : 1.50kHz
±
0.10kHz : TK-481
in tuning mode.
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
19. MSK DEV
1) SYS – GRP : 4 – ✽
adjustment
Select
FMSK ✽ ✽ ✽
in tuning mode.
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
20. TONE DEV
1) SYS – GRP : 4 – ✽
2.5kHz
±
0.1kHz
adjustment
Select
TONE ✽ ✽ ✽
in tuning mode.
Deviation meter filter setting
LPF : 15kHz
HPF : OFF
PTT : ON
21. BATT
1) SYS – GRP : 4 – ✽
After pressing the
BATT terminal voltage : 6.2V
detection
Select
BATT ✽ ✽ ✽
PTT switch, confirm
writing
in tuning mode.
that one predeter-
PTT : ON
mined numeric in
the range 1 to 256
appears and then
press [B] key.
That numeric will be
stored in memory.