Beijer Electronics (formerly QSI Corporation)

Manufacturer of Mobile Data and Human Machine Interface Terminals.
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 Post subject: A12 Panel: Qlarity 2.64
PostPosted: Mon May 28, 2012 9:53 am 
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Joined: Thu Oct 09, 2008 2:37 pm
Posts: 13
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?


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PostPosted: Mon May 28, 2012 8:36 pm 
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Joined: Thu Mar 02, 2006 2:12 pm
Posts: 487
Location: Salt Lake City, Utah
Yes

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Ron L.

http://www.beijerelectronicsinc.com/


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PostPosted: Mon May 28, 2012 8:37 pm 
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Joined: Thu Mar 02, 2006 2:12 pm
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Location: Salt Lake City, Utah
It's a limitation of the display hardware chosen for that panel. Contrast cannot be changed on the TFT display.

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Ron L.

http://www.beijerelectronicsinc.com/


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