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5.1 Jumpers setting
Ref
Purpose
Note
JA1
For internal testing
1-3 & 2-4 closed, factory set, do not remove
JA3
Panel power voltage select
See panel voltage setting table 1
CAUTION:
Incorrect setting will cause panel
damage
JB1
Backlight brightness voltage range
1-2 closed = 3.3V max*
2-3 closed = 5V max
JB2
Backlight inverter on/off control – signal
level
2-3 = On/Off control signal „High‟ = +5V*
1-2 = On/Off control signal „High‟ = +3.3V
Open = On/Off control signal „High‟ = Open
collector
CAUTION
: Incorrect setting can damage
inverter.
JB3
Backlight inverter on/off control – polarity
1-2 = control signal „high‟ = CCFT ON*
2-3 = control signal „low‟ = CCFT ON
JB5
Backlight control type selection
1-2 =VR/Digital switch mount control
3-4 =Reserved
5-6 =Reserved
JB6
Backlight status
1-2, 3-4 closed = Backlight status Low –
Normal
1-3, 2-4 closed = Backlight status High –
Normal
Open = Backlight status not used
JP1
Reserved
Reserved for internal programming use (Always
1-2 closed)
JP2
Panel selection
See table 3 below
JP3
Panel selection
See table 3 below
JP4
Detect the watchdog pulse
1-2 closed =Off the detection*
1-2 opened=On the detection
JP5
Panel selection
See table 2 below
JP6
Input power control
Short = External switch control
Open = Switch mount control
JP7
Panel selection
See table 4 below
* Factory default
Table 1: Panel voltage setting
Input voltage via
PP1
Panel Voltage
JA3
Jumper on
board
12VDC
3.3V
3V3 closed
5V
5V closed
CAUTION: Incorrect setting can damage the panel & controller
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