Input Submenu - Extron electronics IN1604 DT User Manual

Input Submenu

Figure 14.
The
Input
Auto-Image — Press the
Auto-Image updates active pixel, active lines, horizontal and vertical start, phase, horizontal
and vertical image position, and horizontal and vertical image size settings.
For analog video sources with dark backgrounds or borders, the Auto-Image threshold
can be adjusted with SIS commands. Raising the Auto-Image threshold ignores potential
extraneous sync pulses that may have been embedded in RGB signals (see
threshold value
and centering on dark video sources (such as a dark PC desktop).
The following is performed during an Auto-Image when the aspect ratio is set to Fill:
• Horizontal and vertical image position return to 0.
• Horizontal and vertical image size fill to match the current output resolution.
The following is performed during an Auto-Image when the aspect ratio is set to Follow:
The horizontal and vertical image position and image size is set to maintain the native
•
aspect of the input rate with regard to the current output resolution.
Set the aspect ratio on the Advanced submenu (see
NOTE: Aside from the standard Auto-Image SIS command (see the
commands
fill the output and to execute an Auto-Image and maintain the input aspect ratio. These
commands ignore the current aspect mode setting, auto-image the input, and then
apply a "fill" or "follow."
Input Submenu
submenu allows adjustment of the active input.
button to execute an Auto-Image on the active input.
Enter
on page 35). Lowering the threshold can allow for more accurate sizing
on page 35), there are unique commands to execute an Auto-Image and
Aspect Ratio
IN1604 DTP and IN1604 HD Scalers • Operation
Auto-Image
on page 26).
Auto-Image SIS
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