Canon
SX80
Summary of Remote Control Commands (User Commands)
1. Connection
Use the cable to connect the projector (service port) to the computer (RS-232C serial port).
The computer and projector should be connected in a direct, 1:1 connection.
If the number of pins on the connectors or the formats do not match, an adapter is required.
Computer: Directly connected to the projector (1:1)
Three-line connection: SD, RD, and SG
9-pin RS-232C cable (cross)
Send Data SD
SD Send Data
Receive Data RD
RD Receive Data
Signal Ground SG
SG Signal Ground
* In the SX80, only the three signal lines of SD, RD, SG are used
2. Communication Format
Specifications
RS-232-C start-stop synchronization, semi-duplex communication
19200 bps
8 bits
2 bits
None
None
Specifications
Variable-length (up to 256 bytes including delimiter)
CR, LF, CR+LF, or null (00h)
In messages, CR is indicated as <CR>, LF as <LF>, CR+LF as <CR>+<LF>, and null as <00>.
ASCII code (typical characters: 20h to 7Fh)
Case-insensitive.
<CR> is 0Dh, <LF> is 0Ah, <CR>+<LF> is 0Dh0Ah, and <00> is 00h.
No protocol
None
None
Not supported
Between characters
: 5 seconds
(However, timeout between CR and LF is 10 ms)
<1 byte>
<1 byte>
Within 5 seconds
Period between command and response: 10 seconds
Command
Within 10 seconds
Response
The next command must not be sent without waiting for the response
If the next command is sent, an error will occur
Flow Control
Error Control
Break Signal
Timeout
Character Length
Stop Bit
Computer
Projector
Item
Number of Bytes
Delimiters
Message Codes
Protocol
Parity
Flow Control
Item
Specifications
Connection Method
Signal Lines to Connec
Cable to Connect
Item
Communication Method
Transmission Speed
Computer
Projector
Dedicated cable
COM
Port
Service
Port
Canon
