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

Page 41

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TH-K2AT/K2E/K2ET

41

Item

Condition

Measurement

Adjustment

Specifications/

Test equipment

Unit

Terminal

Unit

Parts

Method

Remarks

6.MIC

sensitivity

Check

7.Tone

deviation

8.DCS

deviation

1)Frequency: 145.000MHz

(E, E3)

Frequency: 146.000MHz

(K, K2, M, M2)

PTT: O N

MIC terminal input

AG: 1kHz

Detector: P-P/2

HPF: OFF

LPF: 15kHz

De-emphasis: OFF

TX power: Low

1)Frequency: 145.000MHz

(E, E3)

Frequency: 146.000MHz

(K, K2, M, M2)

PTT: ON

Switch to Adjustment mode

and carry out the operations

for adjustment item M.

(Refer to page 33)

Detector: P-P/2

HPF: OFF

LPF: 3kHz

De-emphasis: OFF

TX power: Low

1)LCD display: DVL,

Frequency: 144.000MHz

PTT: ON

2)LCD display: DVC,

Frequency: 145.000MHz

PTT: ON

3)LCD display: DVH,

Frequency: 145.990MHz

PTT: ON

Switch to Adjustment mode

and carry out the operations

for adjustment item N.

(Refer to page 33)

Detector: +P HOLD

HPF: OFF

LPF: 3kHz

De-emphasis: OFF

TX power: Low

1)LCD display: DVL,

Frequency: 144.000MHz

PTT: ON

2)LCD display: DVC,

Frequency: 145.000MHz

PTT: ON

3)LCD display: DVH,

Frequency: 145.990MHz

PTT: ON

Linear detector

AG

Oscilloscope

Linear detector

TX-RX

(A/3)

ANT

MIC

ANT

VR5

Encoder

[MENU]

Encoder

[MENU]

Encoder

[MENU]

Encoder

[MENU]

Encoder

[MENU]

Encoder

[MENU]

4.2kHz

According to the

larger +, –.

Change the AG

output level to

obtain 3kHz

deviation.

Write

Write

Write

Write

Write

Write

±0.1kHz

4mV - 12mV

0.8kHz ±50Hz

0.8kHz ±50Hz

ADJUSTMENT

This manual is related to the following products: