Canon SX 50 - Manual (Page 7)

Projector User Commands
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Revision History / Date Changes Revised by Approved by
1. Overview
These specifications describe the methods of controlling the projector from the PC over an RS-232C connection.
Virtually all operations possible with the remote control can be controlled from the PC.
The following symbols are used in these specifications:
Symbol Description
△ Space with ０ or more characters (20h), Tab (09h), or other separator.
□ Space with 1 or more characters (20h), Tab (09h), or other separator.
▽ Separator between parameters △ , △ | □.
[ ] Data in [ ] can be omitted.
| Same as OR.
：＝ Definition name is on the left side of this mark, and definition description is on the right side.