Serial Communications, cont’d

Command/response table for special function SIS commands (cont’d)

Command

ASCII Command

Response

Additional description

 

(host to switcher)

(switcher to host)

 

EDID emulation (DVI input 8 only)

Set EDID emulation

X2

*

X3

*41#

DDC

X2

*

X3

Set the EDID to emulate a specific

 

 

 

 

 

 

 

 

resolution (default: 1024 x 768 at

 

 

 

 

 

 

 

 

60 Hz).

Example:

15*2*41#

DDC15*2

Set EDID emulation to 1080p at

 

 

 

 

 

 

60 Hz.

Read EDID emulation

41#

DDC

 

*

 

 

X2

X3

 

DVI auto-detect (DVI input 8 only)

When DVI auto-detect is enabled, the horizontal start and vertical start adjustments are disabled. If you need to change these settings, disable DVI auto-detect.

Disable DVI auto detect

0*76#

IRD80

Disable the auto adjust feature

 

 

 

 

(allow the user to set horizontal

 

 

 

 

start and vertical start).

Enable DVI auto-detect

1*76#

DVI81

Allow the IN1508 to auto adjust the

 

 

 

 

DVI settings (default).

 

 

 

 

 

Read DVI auto-detect

76#

DVI8

X4

0= disable, 1 = enable (default).

 

 

 

 

 

4-10 IN1508 Scaling Presentation Switcher • Serial Communications

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Image 77
Extron electronic IN1508 manual DVI auto-detect DVI input 8 only