CLS === Function -------- **CLS** clears the display screen. Syntax ------ CLS Example ------- :: 100 CLS This clears the screen ready for text or graphics output. Remarks ------- In either graphics or text mode, CLS will clear the LCD display. It has a similar effect to ``OPCHR 1``. In graphics mode, the screen may also be cleared (and the character set initialised to CHAR 0) with ``SCREEN 1``. .. Note:: Only the screen mode currently in use (text or graphics) is cleared when CLS is used.