Command Control via the Network (continued)
Command control settings
[TCP #23]
1. Command format
Same as
2. Response code / Error code ("h" shows hexadecimal)
Four of the response / error code used for TCP#23 are the same as
(1) ACK reply : 06h
Refer to 
10).
(2)NAK reply : 15h
Refer to 
10).
(3)Error reply : 1Ch + 0000h
Refer to 
10).
(4)Data reply : 1Dh + xxxxh
Refer to 
10).
(5)Authentication error reply : 1Fh + 0400h
When authentication error occurred, the projector returns the error code.
[TCP #9715]
1. Command format
The commands some datum are added to the head and the end of the ones of TCP#9715 are used.
Header | Data length | Check sum | Connection ID | |
0×02 | 0×0D | 13 bytes | 1 byte | 1 byte |
[Header]
02, Fixed
[Data Length]
Refer to 
9).
[Check Sum]
This is the value to make zero on the addition of the lower 8 bits from the header to the checksum.
[Connection ID]
Random value from 0 to 255 (This value is attached to the reply data).
NOTE • Operation cannot be guaranteed when the projector receives an undefined command or data.
•Provide an interval of at least 40ms between the response code and any other code.
•Commands are not accepted during
13
