TM-D710A/D710E
43
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
4. MIC
sensitivity
Check
• Band A
1) Frequency: 145.000MHz
E,M4
Frequency: 146.000MHz
K
AG: 1kHz/5mV
K,M4
AG: 1kHz/2mV
E
Detector: P-P/2
LPF: 15kHz
HPF: OFF
De-emphasis: OFF
2) PTT: ON
Linear
detector
Oscilloscope
AG
AF V.M
TX/RX
unit
(Rear)
ANT
MIC
Check
±2.34~4.17kHz
K,M4
±2.38~4.05kHz
E
3) Frequency: 435.000MHz
E,M4
Frequency: 444.000MHz
K
4) PTT: ON
• Band B
5) Frequency: 145.000MHz
E,M4
Frequency: 146.000MHz
K
AG: 1kHz/5mV
K,M4
AG: 1kHz/2mV
E
Detector: P-P/2
LPF: 15kHz
HPF: OFF
De-emphasis: OFF
6) PTT: ON
Check
±2.34~4.17kHz
K,M4
±2.38~4.05kHz
E
7) Frequency: 435.000MHz
E,M4
Frequency: 444.000MHz
K
8) PTT: ON
5. CTCSS
deviation
Check
• Band A
1) Frequency: 145.000MHz
E,M4
Frequency: 146.000MHz
K
Detector: P-P/2
LPF: 3kHz
HPF: OFF
De-emphasis: OFF
2) PTT: ON
Linear
detector
Oscilloscope
ANT
Check
0.65~0.85kHz
3) Frequency: 435.000MHz
E,M4
Frequency: 444.000MHz
K
4) PTT: ON
• Band B
5) Frequency: 145.000MHz
E,M4
Frequency: 146.000MHz
K
Detector: P-P/2
LPF: 3kHz
HPF: OFF
De-emphasis: OFF
6) PTT: ON
7) Frequency: 435.000MHz
E,M4
Frequency: 444.000MHz
K
8) PTT: ON
6. DCS
deviation
Check
• Band A
1) Frequency: 145.000MHz
E,M4
Frequency: 146.000MHz
K
Detector: +P HOLD
LPF: 3kHz
HPF: OFF
De-emphasis: OFF
2) PTT: ON
Check
0.65~0.85kHz
3) Frequency: 435.000MHz
E,M4
Frequency: 444.000MHz
K
4) PTT: ON