Epson 550 - Manual (Page 67)

Specifications
67
ESC/VP21 Command Codes
You can use an AV controller with a 9-pin null modem serial cable to control the projector.
You can download the complete ESC/VP 21 Communication Manual for home theater
projectors from the Epson website at http://support.epson.com. Following are some of the
available codes:
Item Command
Power ON/OFF ON PWR ON
OFF PWR OFF
A/V Mute ON/OFF ON MUTE ON
OFF MUTE OFF
A/V Mute selection Black MSEL 00
Blue MSEL 01
User’s Logo MSEL 02
Source
change Terminal Signal name
Input A 4RCA SOURCE 10
YCbCr SOURCE 14
YPbPr SOURCE 15
Auto SOURCE 1F
Input B HDB15 SOURCE 20
RGB SOURCE 21
Input 3 (HDMI) HDMI SOURCE 30
Digital-RGB SOURCE 31
RGB-Video SOURCE 33
YCbCr SOURCE 34
YPbPr SOURCE 35
Video Cyclic within SOURCE 4X SOURCE 40
Video (RCA) SOURCE 41
S-Video SOURCE 42
Input 5 D4 SOURCE C0
YCbCr SOURCE C4
YPbPr SOURCE C5
Auto SOURCE CF