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Operation, cont'd
Use the Menu
reset the RS-232 settings. Use the button to highlight "No" and press the Enter
button to exit the screen without resetting the RS-232 settings (or back out of the
screen by pressing the Menu button).
System Information screen
The System Information screen is an informational display only that shows:
• The selected input number
• The selected input's sync format (RGBHV, RGBS, and so on) and resolution
• The selected input's horizontal and vertical rates
• The output's resolution
• The output's horizontal and vertical rates
• The firmware version
Enabling seamless switching
When the scaler is in seamless switching mode, it uses input 4's passive (unscaled)
synchronization signals as a reference for locking the output video signal. For
seamless switching to work properly, the following three conditions must be true:
•
•
•
Setting up seamless switching
Set the IN1404XT to seamlessly switch between scaled inputs on 1, 2, or 3 (RGB,
component, S-video, or composite video) and the passive RGB video on input 4 as
follows:
1.
2.
3.
4.
5.
Seamless switching operation
When seamless switching is on; and you switch to input 1, 2, or 3; that input is
synced to the input 4 reference. The synced input 1, 2, or 3 is termed the "channel
3-20
IN1404XT Video Scaler and Switcher • Operation
button to highlight "Yes" and press the Enter (and save) button to
Input 4 must be set to be passively output without scaling.
The output's resolution, refresh rate, and sync format must be set to those of
the channel 4 input.
The Input 4 reference must be within ±2% of the selected output resolution
and refresh rate.
When input 4 is passive, the scaler performs no decoding, scaling, or video
adjustment functions. Blank and freeze functions, and on-screen menus are
not available for input 4. The scaler functions as a switcher only for input 4.
Apply the RGBHV, RGBS, or RGsB reference to input 4.
Press Menu and then select Output>Resolution, select the same resolution as
the input 4 reference signal, and press Enter (and save).
While still in the Output screen, select Refresh Rate, select the same refresh
rate as the input 4 reference signal, and press Enter (and save).
While still in the Output screen, select Sync Format, select the same sync
format (RGBHV, RGBS, or RGsB) as the input 4 reference signal, and press
Enter (and save).
While still in the Output screen, select Seamless Mode, select On, and press
Enter (and save).
When you turn seamless mode on, the scaler automatically sets the input 4
signal format to passive if necessary.
When seamless mode is on, the scaler will not let you change the input 4 signal
format. To change the signal format, you must first turn seamless mode off.
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