2) LCD Screen Commands

A) BACKLIGHT

Feature: Adjust backlight brightness
Format: BACKLIGHT <backlight brightness>
Parameters:

<backlight brightness>
0	turn off backlight
29	minimal brightness
69	medium brightness
99	maximum brightness

Return Value: None
Example: BACKLIGHT 69

B) CLEAR_SCREEN

Feature: Clear the contents of the LCD screen
Format: CLEAR_SCREEN
Parameters: None
Return Value: None
Example: CLEAR_SCREEN

C) PRINT

Feature: Display a line of text and/or variables.
Format: PRINT <display content>
Parameters:

<display content >
e.g. Hello World	string/text
e.g.	variables

Return Value: None
Example: PRINT Hello World