Advanced Card Systems Limited ACR1222LD1 Manuel D’Utilisation
ACR122L-USB-ACS
Command
Class
INS
P1
P2
Lc
LCD Contrast
Control
0xFF
0x00
0x6C
Contrast Control
0x00
P2: Contrast Control
The value range is between 0x00 to 0x0F. It is as large as brighten on contrast. Otherwise the contrast will
been darken.
been darken.
Data Out: SW1 SW2.
Table 13.0B: Status Code
Results
SW1
SW2
Meaning
Success
90
00
The operation is completed successfully.
Error
63
00
The operation is failed.
6.4.17.
Escape APDU for LCD Backlight Control
This APDU is used to Control the LCD Backlight
Table 14.0A: LCD Backlight Control Command Format (5 Bytes)
Command
Class
INS
P1
P2
Lc
LCD Backlight
Control
0xFF
0x00
0x64
Backlight
Control
0x00
P2: Backlight Control
Table 14.0B: Backlight Control Format (1 Byte)
CMD
Description
0x00
LCD Backlight Off
0xFF
LCD Backlight On
Data Out: SW1 SW2.
Table 14.0C: Status Code
Results
SW1
SW2
Meaning
Success
90
00
The operation is completed successfully.
Error
63
00
The operation is failed.