SM500MK4 Service Manual
11
3. SPAN
SWITCH
3.1 Span Switch Jumper Setting Changing Procedure
1. Bottom View of Machine.
2. Loosen the 4pcs SEMS B
screw M4X6, then open the
Bottom Cover.
3. Loosen the 2pcs Truss Head
screw M4X6, and disconnect
the Interface Board cable.
4. Loosen the 2pcs SEMS B
screw M3X6, then open the
Insulator.
5. Change [
SW2
] jumper to
Enable/Disable
Span Switch.
3.2 Span Switch located in Main Board
Interface
Board
Cable
Span Switch
(SW2)
Mainboard
Insulator
Insulator
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