Matrix Orbital LK202-25 Legacy - Manual (Page 8)

Set Contrast and Save Value
Hex 91, Decimal 145
Syntax 0xFE 0x91
This command works in exactly the same way as the “Set Contrast” command. The only difference is this saves the contrast
value in the memory of the module, whereas, the previous command only changes the value for the duration of use.
Auto Repeat Mode On
ASCII '~', Hex 7E, Decimal 126
Syntax 0xFE 0x7E
To turn auto repeat on and select mode, send a command prefix followed by the character '~', followed by either 0x00 or
0x01:
= 0: 200ms typematic rate
= 1: Key down / Key up codes are sent
In either case, auto repeat is turned on.
Please see details in Keypad Interface section.
Auto Repeat Mode Off
ASCII '`', Hex 60 Decimal 96
Syntax 0xFE 0x60
To turn auto repeat off, send a command prefix followed by the character '`'.
Auto Line Wrap On
ASCII 'C', Hex 43, Decimal 67
Syntax 0xFE 0x43
This command enables the automatic line wrap function. Transmitted characters which overrun the width of the display
will automatically wrap to the next line. The bottom line wraps to line 1 of the display. To carry out this command the user
must send a command prefix followed the character 'C'.
Auto Line Wrap Off
ASCII 'D', Hex 44, Decimal 68
Syntax 0xFE 0x44
This command disables the automatic line wrapping function. To turn off the the auto line wrapping, send a command
prefix followed by the character 'D'.
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