Infocus LP280 補足マニュアル
2 GENERAL
This document describes the Communication Protocol between a Proxima® Projector and a Computer
(Host). By using this connection the Host will be able control the projector.
(Host). By using this connection the Host will be able control the projector.
This document are HEX command based only and a regular Terminal program like hyperterminal
etc. can therefore not directly be used unless the COM port are activated by the user. This document
is aimed at control systems in general which is HEX based.
etc. can therefore not directly be used unless the COM port are activated by the user. This document
is aimed at control systems in general which is HEX based.
3 FUNCTION TYPE
The Function is grouped in four different function types:
Function type
Comments
Execute
An execute function executes an action on the
projector, i.e. only one state.
projector, i.e. only one state.
State
An State function performs a set operation from a
predefined list of states. Not all values in the range
have to be legal.
predefined list of states. Not all values in the range
have to be legal.
State String
As state but returns ASCII strings
Adjust
An adjust function is characterized by Maximum >
Minimum. And all the integer values between Minimum
and Maximum are legal.
Minimum. And all the integer values between Minimum
and Maximum are legal.
Table 4
4 PROTOCOL MESSAGES
4.1 Message Formats
The message is always divided in a header and a body part:
Message Head (7Byte)
Message Body (6Byte)
4.1.1 Message Head
The message head has the following structure:
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Magic Number
Body size
CRC
0xBE
0xEF
0x80
0x06
0x00
CRC_lo
CRC_hi
Table 5