Matrix Orbital LK202-24-USB - Manual (Page 39)

Command Syntax Default Notes
Auto transmit key presses
on FE 41
254 65
254 “A” on
R Sets auto transmit
mode for keypad.
Key presses are
transmitted
to
host without
polling.
Auto transmit key presses
off FE 4F
254 79
254 “O” off
R Up to 10 key-
presses buffered
until polled.
Clear key buffer FE 45
254 69
254 “E” n/a Clear unread key-
presses.
Poll keypad FE 26
254 38
254 “&” n/a Returns buffered
keypresses to ap-
plication. Returns
0x00 if no key
presses. High or-
der bit set unless
this is the last /
only key press.
Set debounce time FE 55 [time]
254 85 [time]
254 “U” [time] 52 ms
R Resolution: 1 =
0.6554 ms [time]
is a numeric mul-
tiplier.
8.6 Bar Graphs and Special Characters
The commands in this section are used to define and display bar graphs and special characters.
Table 29: Bar Graphs and Special Characters
Command Syntax Notes
Initialize wide vertical bar
graph FE 76
254 118
254 “V” Initialize the user character set to
make wide vertical bar graphs.
Initialize narrow vertical
bar graph FE 73
254 115
254 “s” Initialize the user character set to
make narrow vertical bar graphs.
Matrix Orbital LK202-24-USB 35