Extron Electronics DSC 301 HD User Guide User Manual
Page 40
Command
ASCII Command
(host to scaler)
Response
(scaler to host)
Additional Description
Overscan mode (applies only to SMPTE [NTSC, PAL, SECAM, 480p-1080p 50/60] input rates)
Set value
E
X#
*X2#OSCN}
OscnX#*X2#]
Set input format
X#
to overscan mode
X2#
.
View status
E
X#
OSCN}
X2#]
Show overscan mode status for input
format
X#
.
HDCP notification (green screen/message)
Enable notification
E
N1HDCP}
HdcpN1]
Enable the HDCP notification.
Disable notification
E
N0HDCP}
HdcpN0]
Disable the HDCP notification; instead
mute output.
Query notification
E
NHDCP}
X(]
Query the HDCP notification.
HDCP status (valid for HDMI input and HDMI ouput only)
Query input
E
IX!HDCP}
X2*]
HdcpIX!*X2*]
Query the HDCP status of the current
input
X!
.
(verbose mode response)
Query output
E
OX@HDCP}
X2*]
HdcpOX@*X2*]
Query the HDCP status of the HDMI
output
X@
.
(verbose mode response)
HDCP input authorization (valid for HDMI input only)
Enable HDCP
encryption support
E
EX!*1HDCP}
HdcpEX!*1]
Enable HDCP encryption support for
input
X!
(default).
Disable HDCP
encryption support
E
EX!*0HDCP}
HdcpEX!*0]
Disable HDCP encryption support for
input
X!
.
Query encryption
support status
E
EX!HDCP}
X4)]
Query HDCP encryption support status
for input
X!
.
NOTE:
X!
= Input selection:
1
to
3
X@
= Output selection:
1
= HDMI
X#
= Input video format:
1
= RGB
2
= YUV
3
= Composite
4
= HDMI
X(
= Enable or disable:
0
= Off or disable,
1
= On or enable
X2#
= Overscan (applied to SMPTE [NTSC, PAL, SECAM, 480p, 576p, 720p, 1080i, 1080p] input rates):
0
= 0.0% (default for RGB, HDMI) — a “true” Auto-Image will be executed on SMPTE inputs.
1
= 2.5% (default for YUV, composite) — an Auto-Image command snaps to a 2.5% table; no true Auto-Image.
2
= 5.0% — an Auto-Image command snaps to a 5.0% table; no true Auto-Image.
X2*
= HDCP status (valid only on TMDS inputs or outputs):
0
= No sink or source detected
1
= Sink or source detected with HDCP
2
= Sink or source detected but no HDCP is present
X4)
= HDMI input HDCP authorization status:
0
= Block HDCP encryption
1
= Allow HDCP encryption (default for input 3)
DSC 301 HD • SIS Communication and Control
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