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DSC 3G-HD A • Setup Guide (Continued)

 

X@

  =  Input video format: 

0

 = no signal; 

1

 = SD-SDI 480i; 

2

 = SD-SDI 576i; 

3

 = HD-SDI 480p, 576p, 720p, 1080i, 1080p  

 

    (up to 30 Hz); 4 = 3G-SDI 1080p (@ 50, 59.94, and 60 Hz), 2k; 

5

 = unknown. 

X2)

  =  Output scaler rate: 

1 = EDID of connected display, 2 = custom rate 1, 3 = custom rate 2, 4 = custom rate 3,  

 

    9 = match input rate (See the 

 on page 3 for more rate variables.) 

X2*

  =  Output sync timeout duration in seconds (

1-500 in 1-second increments): 501 = never (default), 0 = immediate timeout 

X4)

  =  Screen saver mode: 

1 = black (default), 2 = blue  

X4@

  =  Video mute: 

0 = off (unmute), 1 = on (mute to black screen), 2 = on (mute all output sync and video) 

X6@

  =  Power save setting: 

0 = full power (default), 1 = low power state 

X6#

  =  Screen saver status: 

0 = active, timer not running; 1 = no active input, timer running, output sync active;  

    

2 = No active input, timer expired

Basic SIS Commands

The DSC 3G-HD A can be configured with specific SIS commands via RS-232 or USB connection. This table lists a selection of 
basic commands. For a full list of SIS commands and variables see the DSC 3G-HD A and DSC HD-3G A User Guide, online at 

.

Command

ASCII Command
(host to Scaler)

 Response
(Scaler to Host)

Additional Description

View input video format

1 * \

Vtype 1 * 

X@

 

]

View detected input video format 

X@

.

Audio Input Format — select between analog (5-pole captive screw connector) and digital (embedded in SDI input) audio sources.

Set to none

E

 

I 1 * 0 AFMT 

}

Afmt I 1 

*

 

0 

]

Mute all audio for the input.

Set to analog

E

 

I 1 * 1 AFMT 

}

Afmt I 1 

*

 

1 

]

Select analog audio for the input.

Set to 2CH Digital

E

 

I 1 * 2 AFMT 

}

Afmt I 1 

*

 

2 

]

Select two-channel digital audio for the input (default).

Set to 8CH Digital

E

 

I 1 * 3 AFMT 

}

Afmt I 1 

*

 

3 

]

Select eight-channel digital audio for the input.

Execute Auto-Image

A

Img 

]

Perform an Auto-Image on the current input.

Output Configuration

Set output scaler rate

E

 

X2)

 

RATE 

}

Rate 

X2)

 

]

Select output resolution and refresh rate 

X2)

 (see the 

View output rate

E

 

RATE 

}

X2)

 

]

Show the current output rate for the DSC 3G-HD A.

Video Mute (Defaults to unmuted after a power cycle.)

Mute video to black

1 * 1B

Vmt 1 * 1 

]

Mute the video and display a black screen.

Mute video and output sync

1 * 2B

Vmt 1 * 2 

]

Mute all TMDS signals on the HDMI video output.

View video mute status

1B

X4@

 

]

View output video mute status (

X4@

).

Screen Saver Mode (Takes place when no signal is detected on the input.)

Set screen saver mode

E

 

M 

X4)

 

SSAV 

}

Ssav M 

X4)

 

]

Set the screen saver mode to 

X4)

 (default = 1 = black).

View screen saver mode

E

 

M SSAV 

}

X4)

 

]

View current screen saver mode 

X4)

.

Set sync timeout duration

E

 

T 

X2*

 

SSAV 

}

Ssav T 

X2*

 

]

Set the period before sync timeout to 

X2*

 seconds  

(default = 

501 = never).

View sync timeout duration

E

 

T SSAV 

}

X2*

 

]

View the amount of time 

X2*

 before sync timeout.

View screen saver status

E

 

S SSAV 

}

X6#

 

]

View the screen saver status 

X6#

.

Reset device to factory settings

E

 

ZXXX 

}

Zpx 

]

Resets all device settings to the factory defaults.

Power Save Mode

Power save off

E

 

0 PSAV 

}

Psav 0 ]

Set the DSC to run in full power mode (default). 

Power save on

E

 

1 PSAV }

Psav 1 ]

Place the DSC in low power mode). (This mode can be 
exited only via the 

E

 

0

 

PSAV

 

}

 command 

View power save setting 

E

 PSAV }

X6@

 ]

View power save status 

X6@

.

68-2261-51 Rev. A

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