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5.4.4 LED control direct parameter format
The parameter is a 16-character string. The string consists of eight character pairs, each of which
represents the state of an LED. The first four pairs represent the LEDs in LED bank 1 (front LEDs in
desktop orientation), the remaining pairs represent the LEDs in LED bank 2 (rear LEDs in desktop
orientation).
The first character sets the LED flash mode.
First character
Flash mode
0
No flash
4
The LED flashes
5
The LED flashes alternately with the other LEDs
The second character sets the colour.
Second character
LED colour
0
LED off (even if set to flash)
1
Red
5
Green
9
Amber
D
Blue
LED control direct parameter format example
Command:
AISLCD4141414155555555
This would cause the front LEDs to flash red and the rear LEDs to flash green. The front and rear
banks would flash alternately.
5.4.5 Summary of valid commands
Table 7. Summary of valid LED control commands
Command
LSR110 mode
Enhanced mode
Direct mode
NFC control mode
Dumb
INT/Host
Dumb
INT/Host
Dumb
INT/Host
Dumb
INT/Host
XXR
N
Y
N
N
N
Y*
N
Y*
LCT
N
N
N
Y
N
N
N
N
LCD
N
N
N
N
Y
Y
N
N
Commands
from NFC
module
N
N
N
N
N
N
Y
Y
* The command does not affect the LEDs.