Canon SX50 Realis Command Codes - Page 8

Communication Flow

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3.Communication Flow Transmission sent At the sending side (PC), the transmission is sent within character intervals of Tc (character interval timeout). Transmission received At the receiving side (SX50), data able to be received within the character interval of Tc is held, and receiving of a 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/ Response One response is always returned for each command sent from the PC. (However, note that a response may not be returned when the internal receive buffer overflows due to reception of a large amount of data.) PC SX50 Command Within Tr Response Response reception timeout *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 standby after sending a command at the PC, resend the command in the "response reception timeout".

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3.Communication Flow
Transmission
sent
At the sending side (PC), the transmission is sent within character intervals of Tc (character interval timeout).
Transmission
received
At the receiving side (SX50), data able to be received within the character interval of Tc is held, and receiving of a 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.)
PC
SX50
Command
Within Tr
Response
*The timeout interval between command and response (Tr) is 10 seconds.
Response
reception
timeout
If a response is not received within Tr (timeout interval between command and response) while in response reception standby
after sending a command at the PC, resend the command in the “response reception timeout”.