Here is an updated datasheet for the display. These are high quality displays used by an OEM as high contrast outdoor displays due to the FSTN LCD and the backpack is integrated as a thin surface-mount module so it is suitable for tight spaces.
A single button on the rear of the unit can be used to change contrast or reset configuration to defaults. Baud baud, contrast, backlight brightness and other parameters are programmable via the serial port.
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A single button on the rear of the unit can be used to change contrast or reset configuration to defaults. Baud baud, contrast, backlight brightness and other parameters are programmable via the serial port.