Alinco DR-620 - VHF Adjustment Specifications

3) VHF Adjustment Specification
ITEM CH No CONDITION UNIT ADJ.SPOT ADJUSTING METHOD
PD ADJ. CH1
146.00M H z
RX
MAIN L25
Adjust so that PDV voltage becomes
2.7V
Frequency CH2
440.00M H z
TX
MAIN VR 6
Adjust so that Tx Frequency
becomes within 146.00M Hz ± 100H z
HI
PO W ER
CH3
146.00M H z
HIG H
FRO NT RE601
Adjust to 50.0 ± 1.0W
MID
PO W ER
CH4
146.00M H z
MID
FRO NT RE601
Adjust to 1 0 .0 ± 1 .0 W
LOW
PO W ER
CH5
146.00M H z
LOW
FRO NT RE601
Adjust to 5.0 ± 0.5W
RX
Distortion
CH6
146.05M H z
SSG 60dBu
MAIN L101
It is adjusted to become maximum.
Confirm : Less than 3%
Rx Signal
Sensitivity
CH7 136.05M Hz FRO NT
FU N C - 1
R E6 0 1-1
FUNC
Adjust so that the Rx sensitivity
becomes in maximum.
At -8d Bu SINAD more than 12dB
Rx Signal
Sensitivity
CH8 146.05M Hz FRO NT
FU N C - 1
R E6 0 1-1
FUNC
Adjust so that the Rx sensitivity
becomes in maximum.
At -8d Bu SINAD more than 12dB
Rx Signal
Sensitivity
CH9 173.95M Hz FRO NT
FU N C - 1
R E6 0 1-1
FUNC
Adjust so that the Rx sensitivity
becomes in maximum.
At -4d Bu SINAD more than 12dB
S-m eter(1) CH 10
146.05M H z
SSG -3dB u
FRO NT FUNC It is confirmed by the FUNC key.
S-m eter
(FULL)
CH11
146.05M H z
SSG 15dBu
FRO NT FUNC It is confirmed by the FUNC key.
Squelch CH12
146.05M H z
SSG O FF
Ind : 01
MAIN VR8
Adjust so that the squelch stops at
perfectly close location
RX
Distortion
CH13
87.5M H z
60dBu/1kHz
22K Hz/D EV
MAIN L53
It is adjusted to become maximum.
Confirm : Less than 3%
SG OU T 20 ~ 80dBu : Less than 5%
S-m eter(1) CH 14
87.7M H z
-3d Bu/1K H z
22K Hz/D EV
FRO NT FUNC It is confirmed by the FUNC key.
S-m eter
(FULL)
CH15
87.7M H z
15dBu/1KHz
22K Hz/D EV
FRO NT FUNC It is confirmed by the FUNC key.
Maximum
Deviation
CH16
146.00M H z
MOD
1KHz40m Vem f
MAIN VR3
4.5 ± 0.1K Hz/D EV
Maximum
Deviation
CH17
146.00M H z
MOD 1KHz
40m Vem f
(narrow)
2.2 ± 0.3 K H z/D EV
Mic Gain CH18
146.00M H z
MOD
1KHz4m Vem f
MAIN VR5
2.8 5± 0.1 K H z /D E V
CTCSS
Modulation
CH19
146.00M H z
88.5Hz
800 ± 400H z/D E V 3KHz LPF ON
DCS
Modulation
CH20
146.00M H z
255 Code
MAIN VR7
800 ± 50 Hz/D EV 3KHz LPF ON
1750Hz
Modulation
CH21
146.00M H z
1750Hz
3.0 ± 0.5K Hz/D EV
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