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NEO 2 Interface Developer’s Guide
466
19.3.22.
Set Backlight (83-2F)
This command set’s the VP6800’s backlight level. If the level is set to >100%, the command will be
rejected; if the level is set to <10%, backlight level will be set to 10%.
Command Frames
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 15
Byte 16
Byte 17
Header Tag
& Protocol
Version
Command
Sub-
Command
Data Length
(MSB)
Data Length
(LSB)
Data
CRC (LSB)
CRC (MSB)
ViVOtech2\
0
83h
2Fh
00
01
Backlight
percent
Response Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag &
Protocol
Version
Command
Status Code
Data Length
(MSB)
Data Length
(LSB)
CRC (MSB)
CRC (LSB)
ViVOtech2\0
83h
00h
00h
00h
Example:
•
Set Backlight 100:
TX:
56 69 56 4F 74 65 63 68 32 00 83 2F 00 01 64 93 FB
RX:
56 69 56 4F 74 65 63 68 32 00 83 00 00 00 22 03
19.3.23.
Delete File (83-1F)
This command deletes a data file from the reader.
Command Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Bytes 14-
13+n
Byte 14+n
Byte 15+n
Header Tag &
Protocol
Version
Command
Sub-
Command
Data Length
(MSB)
Data Length
(LSB)
Data
CRC (LSB)
CRC (MSB)
ViVOtech2\0
83h
1Fh
00h
Variable
Command Data
The data for this command is a zero-terminated ASCII string with the name of the file to be deleted.