Abell A-82 - Page 36

ABELL A-82 UHF Service Manual
第 20 页 共 41 页
4.Low battery
adjust
Battery:5.8V
Digital voltmeter
Battery
Terminal
Program Software
Low battery adjust
(middle)
Enter Low battery adjust
Enable auto-
adjust data
Choose Save Data to
finish the adjustment
Low battery TX
prevention:
5.8V±0.1V
Low battery remind:
6.3V±0.1V
5.
Audio frequency
difference adjust
CH:RX center
frequency
AG:1KHz/120Mv
PTT:Enable
Power meter
Frequency
deviation meter
LPF:15KHz
HPF:50Hz
Cilloscope
Audio generater
Antenna
Terminal
J1
Mic
Socket
VR400
Modify to 4.15KHz (Wide)
Narrow band check out
Frequency Deviation:
4.15KHz±0.1(Wide)
2.15KHz±0.1(Narrow)
6.CTCSS
frequency
deviation adjust
(Wide)67.0Hz
Test Channel
CH:01,02,03,04,05
Program Software
CTC67 Adjust(
Wide
High,Middle-
High,M
iddle,Middle-
low,Lo
w)
Sub-tone Frequency
Deviation
750Hz±50Hz
CT
CSS frequency
deviation adjust
(Narrow)67.0Hz
Test Channel
CH:03
Program Software
CTC67 Adjust
(Narrow Middle)
Enter CTC67 adjust
Enable PTT,adjust data
Change CTCSS
frequency deviation
Choose Save Data to
finish the adjustment
Sub-tone Frequency
Deviation
350Hz±50Hz
7.CTCSS
frequency
deviation adjust
(Wide)254.1Hz
Test Channel
CH:01,02,03,04,05
Program Software
CTC254.1
Adjust(Wide
High,Middle-
High,Mi
ddle,Middle-
low,Low)
Sub-tone Frequency
Deviation
750Hz±50Hz
CTCSS frequency
deviation adjust
(Narrow)
254.1Hz
Test Channel
CH:03
Power meter
Frequency
deviation meter
LPF:3KHz
HPF:50Hz
Cilloscope
Antenna
Terminal
Program Software
CTC254.1
Adjust
(Narrow Middle)
Enter CTC254.1 adjust
Enable PTT,adjust data
Change CTCSS
frequency deviation
Choose Save Data to
finish the adjustment
Sub-tone Frequency
Deviation
350Hz±50Hz
8.DCS
frequency
deviation adjust
(Wide)D023N
Test Channel
CH:01,02,03,04,05
Program Software
DCS
Adjust(Wide
High,Middle-
High,M
iddle,Middle-
low,Lo
w)
Sub-tone Frequency
Deviation
750Hz±50Hz
DCS
frequency
deviation adjust
(Narrow)
D023N
Test Channel
CH:03
Power meter
Frequency
deviation meter
LPF:3KHz
HPF:50Hz
Cilloscope
Program Software
DCS Adjust
(Narrow Middle)
Enter DCS adjust
Enable PTT,adjust data
Change CTCSS
frequency deviation
Choose Save Data to
finish the adjustment
Sub-tone Frequency
Deviation
350Hz±50Hz
9..DTMF
frequency
deviation adjust
(Narrow)
Program Software
DTMF Adjust
(Narrow Middle)
.DTMF Frequency
Deviation
1.5KHz±0.1KHz
DTMF
frequency
deviatio
n adjust
(Wide)
Test Channel
CH:03
Power meter
Frequency
deviation meter
LPF:15KHz
HPF:50Hz
Cilloscope
Antenna
Terminal
Program Software
DTMF
Adjust (Wide
Middle)
Enter DTMF adjust
Enable PTT,adjust data
Change DTMF
frequency
deviation
Choose Save Data to
finish the adjustment
DTMF Frequency
Deviation
3KHz±0.1KHz