Chapter 4 – DFI EC700-BT Manual User Manual

Page 18

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18

Chapter 4 Jumper Settings

Chapter 4

Backlight Power Select

Dimming Mode Select

3

JP3 is used to select the power level of backlight brightness control: +5V or +3.3V.

Important:

Before powering-on the system, make sure that the power settings of JP3 match the

power specification of backlight control. Selecting the incorrect voltage will seriously

damage the backlight.

JP3

1

3

2

1

3

2

1-2 On: +5V

2-3 On: +3.3V (default)

3

JP4

1-2 On: Voltage Mode

2-3 On: PWM Mode

(default)

1

3

2

1

3

2

JP4 allows you to select the mode for the lightness control of the LVDS panel.

Important:

You need to refer to your panel’s user guide to determine the type of mode (PWM or

Voltage) most appropriate for your panel.

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