6
1-4
．
Part
Take OP320-A for example:
SET
ENT
ALM
ESC
CLR
+/-
0
3
2
1
6
5
4
9
8
7
Note:
(1) There is a potentiometer at the reverse side of OP cover. It can adjust the LCD brightness.
Please rotate it with the screw. The LCD backlight will be OFF if there are no any
operations for 3 mintues.
(2) The diagram is only for your reference, each type please see the real product.
Display
Buttons
Buttons
Download/COM port
Power DC24V
