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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