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Adjustment – Kenwood TK-480 User Manual

Page 39

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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.