Congatec conga-IA4 User Manual page 64

Feature Options
Backlight Inverter Type None
PWM
I2C
PWM Inverter Polarity Normal
Inverted
PWM Inverter Frequency (Hz) 200 - 40000
Backlight Setting 0%
10%
25%
40%
50%
60%
75%
90%
100%
Inhibit Backlight No
Permanent
Until End Of POST
Force LVDS Backlight No
Yes
LVDS SSC Disabled
0.5%
1.0%
1.5%
2.0%
2.5%
Auto Selection
Digital Display Interface 1
Disabled
DisplayPort
HDMI/DVI
Digital Display Interface 2 Auto Selection
Disabled
DisplayPort
HDMI/DVI
Copyright © 2016 congatec AG
Description
Select the type of backlight inverter:
'PWM' - IGD PWM signal.
'I2C' - I2C backlight inverter device connected to the video I²C bus.
Select PWM inverter polarity.
Note: This feature is only visible if the 'Backlight Inverter Type' is set to 'PWM'.
Set the PWM inverter frequency in Hz.
Note: This feature is only visible if the 'Backlight Inverter Type' is set to 'PWM'.
Set backlight value in percentage of the maximum setting.
Select whether the backlight enable signal should be activated when the panel is activated, remain
inhibited until the end of BIOS POST, or remain inhibited permanently.
If set to 'Yes', this feature forces LVDS enable and LVDS VDD signals unconditionally
Select LVDS spread-spectrum clock modulation depth.
Note: This feature performs center spreading with a fixed modulation frequency of 32.9kHz.
Select the output type of the DDI 1.
Select the output type of the DDI 2.
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