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2. The CPU can search for the touch screen only when it had been powered up,
hence, you either have to power on the touch screen before the CPU or both of
them at the same time.
3. If the CPU is communicating with the touch screen, however, you need
download a new program into CPU, then you need to disconnect CPU and touch
screen and further recycle the power supply of the CPU. Then the new program
can be downloaded.
Brightness adjustment:
You can adjust the brightness via the menu Set..->Set LCD->Contrast on the
touch screen
Backlight Control ON/OFF
The Backlight of the touch screen can be controlled ON/OFF in your program,
the Bit for backlight is "F64", For example, if you want to use it as light alarming,
you can turn on/off with 1 seconds. The below is example program :
Control Buzzer of the touch screen ON/OFF
The buzzer of the touch screen can be controlled ON/OFF in your program, the
Bit for the buzzer is "F63", For example, if you want to use it as voice
alarming(Beep-Beep..), you can turn on/off with 0.3 seconds. The below is
example program :
Panel keys and Cursor keys instruction :
5
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