2-12 (E)
MAV-70
2-6-6. SY-253 board
Switches
n
Do not change the setting of the switch described as “Factory use only”
Ref. No. Address
Name
Function
Factory setting
S301
(A-7)
Mode select switch
Sets the operating mode of main CPU.
S301-1 : Operating mode setting
OFF : Monitor mode
ON : Normal mode
S301-2 : RS-232C channel setting
OFF : CH-0
ON : CH-1
S301-3 : Factory use only
S301-4 : Factory use only
S302
(B-5)
Reset switch
Initialize the main CPU
––––––
S303
(A-7)
Communication mode
Factory use only
EXT
select switch
2-6. Function of Switches/LEDs on Board
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
S503
S504
S402
D406
S501
S401
D503
S502
D306
S301
S303
S302
D101
S601
S603
S604
S602
A side (Component side)
1
ON
2
3
4