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Chapter 2
22
KEM
X
-
2030
User’s Manua
l
Jumper Settings
To ensure correct system configuration, the following section describes how to set
the jumpers to enable/disable or change functions. For jumper descriptions, please
refer to the table below.
Table 2 Jumper List
Label Function
JP1 Backlight Enable Selection
JP2 Backlight & Panel Power Selection
JP3 Clear CMOS Selection
JP4 COM1 Signal / Power Selection
JP5 COM2 Signal / Power Selection
JP6 COM3 Signal / Power Selection
JP7 COM4 Signal / Power Selection
JP8 For Quanmax internal test only
JP9 Power Mode Selection
Table 3 JP1 Backlight Enable Selection
Jumper Status
1-2 Active High (Default)
2-3 Active Low
Pitch:2.0mm [YIMTEX 3291*03SAGR(6T)]
Table 4 JP2 Backlight & Panel Power Selection
Jumper Setting Status
1
1-3 Backlight Power = +12V (Default)
3-5 Backlight Power = +5V
2
2-4 Panel Power = +3.3V (Default)
4-6 Panel Power = +5V
Pitch 2.54mm [YIMTEX 3362*03SAGR]
Table 5 JP3 Clear CMOS Selection
Jumper Status
Open Normal Operation (Default)
Short Clear CMOS
Pitch:2.54mm [YIMTEX 3321*02SAGR(6T)]