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ISS 408 Integrated Seamless Switcher • Operation 22
Dissolve Speed submenu
The Dissolve Speed submenu displays and allows you to set the duration of the dissolve
effect when switching the preview output to the program output.
Use either the Adjust knob or the Adjust knob to select the dissolve speed from 0.1
seconds to 5.0 seconds in 0.1 second steps. The default is 1.0 seconds.
Test Pattern submenu
The Test Pattern submenu lets you select from among several test patterns and assigns
the selected pattern to an output. The test patterns are helpful when you are adjusting
the connected displays for color, convergence, focus, resolution, contrast, grayscale, and
aspect ratio.
Use the Adjust knob to select a test pattern. The options are: Color Bars, crosshatch, 4
x 4 crosshatch, grayscale, crop, alternating pixels, film aspect ratios 1.78, 1.85, 2.35, and
ramp.
Use the Adjust knob to assign the output(s) for the selected test pattern. Select among
neither output (both off), the preview output, the program output, or both outputs.
Blue-Only Mode and Edge Smoothing submenu
The Blue-Only Mode and Edge Smoothing submenu lets you turn the blue mode and edge
smoothing features on and off. Blue-only mode is helpful in the setup of the color and tint of
the incoming video signal. In the blue-only mode, only the sync and blue video signals are
passed to the display. Edge enhancement mode smooths edges of a picture by minimizing
the differences between pixels.
Use the Adjust knob to turn blue-only mode On or Off. The default is Off.
Use the Adjust knob to turn edge enhancement mode On and Off. The default is Off.
Preview and Program Blanking submenus
The Preview Blanking submenu and Program Blanking submenu allow you to adjust the top
and bottom line blanking on the preview and program monitors within a range of 0 to 200
lines. During scaling, captioning and tapehead switching in the video’s blanking area may
show up as picture noise. Using blanking, you can add black lines at the top and bottom
edges of the image to eliminate edge noise.
Use the Adjust knob to increase or decrease the top line blanking. The default is 0 lines.
Use the Adjust knob to increase or decrease the bottom line blanking. The default is 0
lines.
RGB Delay submenu
The RGB Delay submenu displays and lets you set the RGB delay when switching a
selected input to the preview output. With RGB delay, sync is never removed from the
preview display. Rather, the ISS blanks the RGB (video) outputs while the scaler locks to
the new sync, and then switches the RGB signals. This allows a brief delay for the displays
to adjust to the new sync timing before displaying the new picture, which appears without
glitches. RGB delay is also known as Triple-Action Switching
™
or video mute switching.
Use either the Adjust knob or the Adjust knob to select the blanking period (RGB delay
time) from 0 seconds to 5 seconds in 0.1 second steps. The default is 0.2 seconds.