Communication Flow - Canon REALiS SX6 User Manual

User Command Specifications

1 3. Communication Flow

3. Communication Flow
Transmission
At the sending side (PC), the transmission is sent within character intervals of Tc (character interval timeout).
sent
At the receiving side (Projector), data able to be received within the character interval of Tc is held, and receiving of a
Transmission
received
delimiter is considered "transmission received".
If a received character interval exceeds Tc or a delimiter is not received within 256 characters, all data already received is
lost, and the mode is reset to receive standby again.
Command/ One response is always returned for each command sent from the PC.
Response
(However, note that a response may not be returned when the internal receive buffer overflows due to reception of a large
amount of data.)
*The timeout interval between command and response (Tr) is 10 seconds.
If a response is not received within Tr (timeout interval between command and response) while in response reception
Response
standby after sending a command at the PC, resend the command in the "response reception timeout".
reception
timeout
PC
Commands
Within Tr
Response
Projector
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3. Communication Flow