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A12 Panel: Qlarity 2.64
http://www.qsiforums.com/viewtopic.php?f=6&t=4460
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Author:  kkwon [ Mon May 28, 2012 9:53 am ]
Post subject:  A12 Panel: Qlarity 2.64

Hi,
Using QTERM A12 panel and Qlarity Foundry 2.63, the following code generates an exception:

setsystemsetting(SYS_BACKLIGHT, nBackLight, SYSACT_DONOW)
' A12 is a color TFT panel, and does not support a contrast setting???
Line 1195: setsystemsetting(SYS_CONTRAST, nContrast, SYSACT_DONOW)

Exception 151: SetSystemSetting: TFT displays do not support a contrast value (severity: 5) (Global Section line 1195).

So does that mean only changing of the backlight is allowed on the A12 panel?

Author:  Ron L. [ Mon May 28, 2012 8:36 pm ]
Post subject:  Re: A12 Panel: Qlarity 2.64

Yes

Author:  Ron L. [ Mon May 28, 2012 8:37 pm ]
Post subject:  Re: A12 Panel: Qlarity 2.64

It's a limitation of the display hardware chosen for that panel. Contrast cannot be changed on the TFT display.

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