Acer DV555K User Manual page 58

Byte 11
Name
Byte7
Hex 0x00
checksum =
(0x44)^(0x05)^(0x67)^(0x20)^(0x03)^(0x00)^(0x00)^(0x00)^(0x00)^(0x00)^(0x00)^(0x00)^(0x00)^
(0x00)^(0x00)^(0x00)^(0x00)^(0x00)^(0x00)^(0x0D) = 0x08
Byte 0
Name Length Check
Hex 0x44
Byte 11
Name
Byte7
Hex 0x34
('4')
checksum =
(0x44)^(0x05)^(0x72)^(0x20)^(0x03)^(0x47)^(0x41)^(0x35)^(0x35)^(0x5F)^(0x34)^(0x4B)^(0x50)^
(0x49)^(0x44)^(0x00)^(0x00)^(0x00)^(0x00)^(0x0D) = 0x66
56 | OSD (On-Screen-Display) Controls
12 13 14
Byte8 Byte9 Byte10 Byte11 Byte12 Byte13 Byte14 Byte15
0x00 0x00 0x00
1 2 3
ID Cmd
sum Type
0x66 0x05 0x72
12 13 14
Byte8 Byte9 Byte10 Byte11 Byte12 Byte13 Byte14 Byte15
0x4B 0x50 0x49
('K') ('P') ('I')
Send Packet
15 16 17
Value
0x00 0x00 0x00
Return Packet
4 5 6
Cmd
Code
Byte1 Byte2
0x20 0x03 0x47
('G')
15 16 17
Value
0x44 0x00 0x00
('D')
18 19 20
End
0x00 0x00 0x0D
7 8 9
Value
Byte3 Byte4 Byte5
0x41 0x35 0x35
('A') ('5') ('5')
18 19 20
End
0x00 0x00 0x0D
10
Byte6
0x5F
('_')