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Th-k2at/k2e/k2et, Adjustment – Kenwood 144MHz FM TRANSCEIVER K2E User Manual

Page 37

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TH-K2AT/K2E/K2ET

37

ADJUSTMENT

Item

Condition

Measurement

Adjustment

Specifications/

Test equipment

Unit

Terminal

Unit

Parts

Method

Remarks

Switch to Adjustment mode

and carry out the operations

for adjustment item D.

(Refer to page 29)

S-meter 3) LCD display: S1

SSG

TX-RX

ANT

[MENU]

Write

Frequency: 145.050MHz

(A/3)

(E, E3)

Frequency: 146.050MHz

(K, K2, M, M2)

SSG: –120dBm (0.22uV)

4) LCD display: S9

[MENU]

Write

Frequency: 145.050MHz

(E, E3)

Frequency: 146.050MHz

(K, K2, M, M2)

SSG: –105dBm (1.26uV)

4.Squelch

Squelch level: 1

Check

1) Frequency: 145.050MHz

SSG

Check

Open Squelch

(E, E3)

Oscilloscope

Frequency: 146.050MHz

Distortion meter

(K, K2, M, M2)

SSG output: –123dBm (0.158uV)

SSG MOD: 1kHz

SSG DEV: 3kHz

2) SSG: OFF

Close Squelch

5.S-meter

1) Frequency: 145.050MHz

SSG

Check

Two segments

Check

(E, E3)

in S-meter

Frequency: 146.050MHz

light.

(K, K2, M, M2)

■■

SSG output: –120dBm (0.22uV)

2) SSG output: –105dBm (1.26uV)

All segments in

S-meter light.

■■■■■■■■■

6.Hum and

1) Frequency: 145.050MHz

SSG

TX-RX

ANT

noise ratio

(E, E3)

Oscilloscope

(A/3)

SP

Check

Frequency: 146.050MHz

Distortion meter

(K, K2, M, M2) AF V.M

SSG output: –53dBm (501uV)

SSG MOD: 1kHz

SSG DEV: 3kHz

AF Output: 0.63V/8Ω
AF V.M = 0dB

2) SSG DEV: OFF

Check

–38dB or less

7.AF distortion 1) Frequency: 145.050MHz

Check

5% or less

Check

(E, E3)

Frequency: 146.050MHz

(K, K2, M, M2)

SSG output: –53dBm (501uV)

SSG MOD: 1kHz

SSG DEV: 3kHz

AF Output: 0.63V/8Ω

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