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Topics - PHITEK

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I am having a problem with the Turn off display command when I use RS-232 communication mode. I have some test code in C# running on .NETMF platforms from www.GHIElectronics.com.

Initially I had hoped to use SPI communications mode with worked fine on one platform. Two of there other platforms I could not slow the SPI Clock down low enough, so I decided to use the RS-232 communications mode.  I am using the default 9600 baud rate.

My test program ran for many hours using the SPI communications mode.

What happens on the first use of the Display OFF command, is the characters on the display disappear but then nothing else seems to turn the display back on. I have to remove the power and re-power up the display.

Is this a known issue?

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