Elan S128P Installation Manual page 110

S128P
INSTALLATION MANUAL
STI (Sense Trigger Inputs)
Description:
• Queries Unit u's Sense Trigger Inputs to determine if they are on or off.
• You must have the expansion cable connected if more than one chassis is in the system. If you do not, the
returned data will not be reliable.
Command:
N/A
Query:
&S12,STI,u?<cr>
Reply:
&S12,STI,u,aaaaaa<cr>
Parameters:
<cr>: carriage return: Hexadecimal 0x0D or Decimal 13
u: Unit 1-4
a: 0 = OFF
1 = ON
Examples:
• &S12,STI,1?<cr> Queries Unit 1.
• &S12,STI,2?<cr> Queries Unit 2.
• &S12,STI,1,111111<cr> S128P Unit 1 reply. All Sense Trigger Inputs are ON.
• &S12,STI,2,000010<cr> S128P Unit 2 reply. Sense Trigger Input 5 ON, Sense Trigger Inputs 1, 2, 3, 4 and 6 OFF.
VSD (Video Signal Detect)
Description:
• Queries Unit u Video Inputs to determine if a video signal is present.
• The S128P can either sense audio from the Left, Right or both Left and Right.
• The S128P can detect the video instantaneously and detect the absence of video instantaneously.
• Works if System is off or on.
Command:
N/A
Query:
&S12,VSD,u?<cr>
Reply:
&S12,VSD,u,aaaaaaaaaaaaaaaa<cr>
Parameters:
<cr>: carriage return: Hexadecimal 0x0D or Decimal 13
u: Unit 1-4
a: 0 = Not Detected
1 = Detected
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E L A N H O M E S Y S T E M S
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1/15/2009 1:07:44 PM