5 keypad interface commands – Matrix Orbital LK162-12 Legacy User Manual
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LK162-12 rev 4
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Auto scroll off
FE 52
254 82
254 'R'
off
Disables auto scroll. Text will wrap to top left
and overwrite existing text.
Set cursor position
FE 47 [col] [row]
254 71 [col] [row]
254 'G' [col] [row]
n/a
Moves cursor to the specified column and row.
The cursor marks the text insertion point in
this and all commands.
Send cursor home
FE 48
254 72
254 'H'
This command moves the cursor to the top left
of the display area.
Underline cursor on
FE 4A
254 74
254 'J'
off
Turns on the underline cursor.
Underline cursor off
FE 4B
254 75
254 'K'
Turns off the underline cursor.
Block cursor on
FE 53
254 83
254 'S'
on
Turns on the blinking block cursor.
Block cursor off
FE 54
254 84
254 'T'
Turns off the blinking block cursor.
Cursor left
FE 4C
254 76
254 'L'
Moves the cursor one position to the left. If the
cursor is already at the beginning of a line it will
move to the end of the other line.
Cursor right
FE 4D
254 77
254 'M'
Moves the cursor one position to the right. If the
cursor is already at the end of a line it will move
to the beginning of the other line.
7.5 Keypad Interface Commands
Table 7-2 Keypad Interface Commands
Command Syntax
Default
Notes
Auto repeat mode on
FE 7E [0x00|0x01]
254 126 [0|1]
254 '~' [0|1]
off
Applies to keypad only.
0x00 = 200 ms typematic,
0x01 = key down/key up codes sent.
Auto repeat mode off
FE 60
254 96
254 '`'
off
Applies to keypad only.
Auto transmit key
presses on
FE 41
254 65
254 'A'
on
Sets auto transmit mode for keypad. Key
presses are transmitted to host without polling.