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Operation, cont’d
IN1508 Scaling Presentation Switcher • Operation3-4
Output Rate selection
3
Output Rate button — The Output Rate button (figure 3-4) cycles through
the available output screen resolutions. Use this button to select the “sweet
spot” resolution of the connected video display device. The switcher
defaults to a refresh rate of 60 Hz with each resolution selection using the
Output Rate button.
Eight IN1508 output resolutions are not available from the front panel. These
eight resolutions can be selected using the menu system (see “Resolution
selection box”, on page 3-21) and SIS commands (see chapter 4, “Serial
Communications”). The eight output resolutions not available from the front
panel are:
• 852 x 480 • 1400 x 1050 • 1280 x 768 • 1280 x 800
• 1440 x 900 • 1680 x 1050 • 480p • 576p
OUTPUT RATE
VGA
SVGA
XGA
SXGA
1024x852
1024x1024
1366x768
1365x1024
UXGA
720p
1080i
1080p
Press
button (P)
P
P
P
P
P
P
P
P
P
PP P
Figure 3-4 — Output Rate buttons
The Output Rate LEDs indicate the selected resolution.
If any of the rates not available from the front panel are selected using the
menu system or SIS commands, no Output Rate LED is lit.
The Output Rate button allows you to select the resolution only; the refresh
rate defaults to 60 Hz for each front panel resolution selection. You can select
a different refresh rate using the menu system; see “Refresh Rate selection box”
later in this chapter for details.
There is a 1-second delay between selecting an output resolution from the front
panel (the desired Output Rate LED lights) and the selected change taking
effect. This ensures that the screen does not try to change resolutions while
you cycle through the available resolutions to the desired setting.
The switcher reports the selected resolution for approximately 3 seconds on
the connected output display.