Extron electronic IN1508 manual Resolution selection box, Refresh Rate selection box

Resolution selection box

The front panel Output Rate button can also be used to select most resolutions, with the following exceptions:

•	852 x 480	•	1400 x 1050	•	1280 x 768	•	1280 x 800
•	1440 x 900	•	1680 x 1050	•	480p	•	576p

The Resolution selection box identifies the currently selected output resolution and allows you to select a different output resolution. The table at right defines the combinations of resolutions and refresh rates that the switcher can output.

The default resolution is XGA. To select a different resolution, use the front panel or IR remote control or button to highlight the desired resolution and press the Enter button.

Resolution and refresh rate are crucial variables for optimum image quality. For best results, set the switcher output to match your display’s capabilities. See “Optimizing the

Resolution		Aspect	50 Hz	60 Hz	75 Hz
		ratio
640 x 480	VGA	4:3	●	●	●
800 x 600	SVGA	4:3	●	●	●
1024 x 768	XGA	4:3	●	●	●
1280 x 768		16:9	●
1280 x 1024	SXGA	5:4	●	●	●
1024 x 852		4:3	●	●	●
1024 x 1024		1:1	●	●	●
1366 x 768		16:9	●	●	●
1365 x 1024		4:3	●	●	●
1400 x 1050		4:3	●	●
1600 x 1200	UXGA	4:3	●	●
644 x 480	480p	4:3		●
768 x 576	576p	4:3	●
1280 x 720	720p	16:9	●	●
1920 x 1080	1080i	16:9	●	●
1920 x 1080	1080p	16:9		●
1440 x 900		16:10		●	●
1680 x 1050		16:10		●
1280 x 800		16:10	●	●
852 x 480		4:3	●	●

Video”, on page 3-30,

for detailed guidelines for choosing the proper resolution and rate.

Refresh Rate selection box

The front panel Output Rate button can be used to select the resolution, but every front panel rate selection defaults to 60 Hz. Different refresh rates can be selected only by using this screen or RS-232 control.

The Refresh Rate selection box identifies the currently selected output refresh rate and allows you to select a different rate.

To select a different rate, use the front panel or IR remote control or button to highlight the desired resolution and press the Enter button.

Resolution and refresh rate are crucial variables for optimum image quality. For best results, set the switcher output to match the capabilities of your display. If necessary, see “Optimizing the Video”, on page 3-30, for detailed guidelines for choosing the proper resolution and rate.

Sync Polarity selection box

The Sync Polarity selection box identifies the currently selected sync polarity and provides the ability to select different sync polarities. The display or projector may require video with positive or negative horizontal (H) and/or vertical (V) sync polarity; consult the diplay or projector manual.

To select a different sync polarity, use the front panel or IR remote control or button to highlight the desired sync format and press the Enter button. The default setting is H–/V–.

IN1508 Scaling Presentation Switcher • Operation 3-21