Unitech PA600 - PA600 Communications Configuration; Configuring the Omni Communication Server

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6.4.5. Screen Backlight Brightness Control
Function Description:
This function adjusts screen backlight brightness.
Function call:
void BrightnessUp(BOOL fup)
Parameters(Input)
Fup: BOOL: TRUE = adjust one step up.
FALSE = adjust one step down.
Return code:
6.4.6. Enable/Disable LCD screen
Function Description:
Turn on / off LCD screen
Function call:
void PowerOnColorLCD(BOOL fON)
Parameters(Input)
fON: BOOL: TRUE = Power on LCD screen
FALSE = Power off LCD screen
Return None