Elan S128P Installation Manual page 108

S128P
INSTALLATION MANUAL
Query Commands
ASD (Audio Signal Detect)
Description:
• Queries Unit u Audio Source Inputs to determine if an audio signal is present.
• The S128P can either sense audio from the Left, Right or both Left and Right.
• The S128P can detect the audio instantaneously, how ever the it can take up to 30 seconds before the S128P
detects the absence of audio once the audio isremoved.
• Works if System is off or on.
Command:
N/A
Query:
&S12,ASD,u?<cr>
Reply:
&S12,ASD,u,aaaaaaaaaaaa<cr>
Parameters:
<cr>: carriage return: Hexadecimal 0x0D or Decimal 13
u: Unit 1-4
a: 0 = Not Detected
1 = Detected
Examples:
• &S12,ASD,1?<cr> Queries Unit 1.
• &S12,ASD,2?<cr> Queries Unit 2.
• &S12,ASD,1,111111000000<cr> S128P Unit 1 reply. Audio Signals 1 thru 6 are ON and Audio Signal 7- 12 are OFF.
• &S12,ASD,2,000010001000<cr> S128P Unit 2 reply. Audio Signals 5 and 9 are ON, Audio Signals 1, 2,3, 4, 6, 7, 8,
10,
11 and 12 are OFF
LSD (Local Signal Detect)
Description:
• Queries Unit u Local Audio Source Inputs to determine if an audio signal is present.
• The S128P can either sense audio from the Left, Right or both Left and Right.
• The S128P can detect the audio instantaneously, how ever the it can take up to 30 seconds before the S128P
detects
the absence of audio once the audio is removed.
• Works if System/Zone is off or on.
• If the S128P is queried immediately after connecting a Local Source, there is a possibility that the S128P will
return all
Local Signals are on/detected &S12,LSD,1,11111111<cr>. Wait a few seconds before the S128P is queried after
connecting a Local Source.
Command:
N/A
Query:
&S12,LSD,u?<cr>
Reply:
&S12,LSD,u,aaaaaaaa<cr>
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E L A N H O M E S Y S T E M S
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