Kenwood 144MHz FM TRANSCEIVER K2E Service Manual page 42

TH-K2AT/K2E/K2ET
Item Condition
9.VOX Switch to Adjustment mode
Sensitivity and carry out the operations
Write for adjustment item O.
(Refer to page 34)
TX power: Low
1)LCD display: VOX1
Frequency: 145.000MHz
Frequency: 146.000MHz
AG: 1kHz/80mV
2)LCD display: VOX9
Frequency: 145.000MHz
Frequency: 146.000MHz
AG: 1kHz/1.5mV
10. VOX To exit from the Adjustment
Operation Mode, turn the transceiver
Check power OFF and then ON.
1)Frequency: 145.000MHz
Frequency: 146.000MHz
VOX Gain: 4
AG: OFF
2)AG: 1kHz/100mV
11. DTMF Detector: P-P/2
DEV HPF: OFF
Check LPF: 15kHz
De-emphasis: OFF
TX power: Low
1)Frequency: 145.000MHz
Frequency: 146.000MHz
Send DTMF code "D"
Note: For details of sending DTMF code "D",
refer to the "Single Tone Mode" on page 27.
12. 1750Hz Detector: P-P/2
Tone DEV HPF: OFF
Check LPF: 15kHz
(E, E3 types De-emphasis: OFF
only) TX power: Low
1)Frequency: 145.000MHz
Send 1750Hz Tone
13. Protection TX power: High
Check 1)Frequency: 145.000MHz
(DC IN
terminal: 13.8V) Frequency: 146.000MHz
ANT: OPEN
PTT: ON
42
ADJUSTMENT
Measurement
Test equipment
AG
(E, E3)
(K, K2, M, M2)
(E, E3)
(K, K2, M, M2)
(E, E3)
(K, K2, M, M2)
Linear detector
(E, E3)
(K, K2, M, M2)
(E, E3)
Am meter
(E, E3)
(K, K2, M, M2)
Unit Terminal Unit Parts
TX-RX MIC
(A/3)
[MENU]
[MENU]
ANT
Adjustment
Specifications/
Remarks
Method
Write
Write
Check Does not
transmit.
Transmits.
Check 2.0kHz - 4.2kHz
Check 2.5kHz - 4.5kHz
Check 2.4A or less