Canon SX 50 - Manual (Page 8)

Projector User Commands
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Revision History / Date Changes Revised by Approved by
2. Communication Specifications
Communication Specifications
PC - Projector connection status
Item Specifications
Connection system PC and projector connected on a "1:1" basis
Connection signal line 3-line connection of SD, RD, and SG
Connection cable
Dedicated cable
For detailed specifications, refer to "Cable" on page 6 .
Send Data SD SD Send Data
Receive Data RD RD Receive Data
Signal Ground SG SG Signal Ground
* Signal lines other than the three lines of SD, RD and SG are not used in the projector!
* Loop back its own signals at the PC side if necessary.
PC Projector
Dedicated cable
COM
PORT
SERVICE
PORT
Canon