41
Preparations
1
1 Preparations
"ERR": A code showing what error has occurred.
0 : Check Sum Error
1 : Not Supported Command
Contrast Control
z
Function
The "Contrast" of a product can be changed using a PC.
z
Get "Contrast" Status
z
Set "Contrast"
"Contrast" : Contrast value code to be set on a product ( 0 ~ 100 )
z
Ack
"Contrast" : Contrast value code to be set on a product ( 0 ~ 100 )
z
Nak
"ERR": A code showing what error has occurred.
0 : Check Sum Error
1 : Not Supported Command
Header
Command
ID
Data length
Ack/Nak
r-CMD
Val1
Checksum
0xAA
0xFF
3
‘N’
0x14
"ERR"
Header
Command
ID
Data length
Checksum
0xAA
0x24
0
Header
Command
ID
Data length
Data 1
Checksum
0xAA
0x24
1
"Contrast"
Header
Command
ID
Data length
Ack/Nak
r-CMD
Val1
Checksum
0xAA
0xFF
3
‘A’
0x24
"Contrast"
Header
Command
ID
Data length
Ack/Nak
r-CMD
Val1
Checksum
0xAA
0xFF
3
‘N’
0x24
"ERR"