Extron electronic manual 42 IN1508 Scaling Presentation Switcher Operation

Operation, cont’d

Problem	Possible cause	Solution
The image is cropped	Input vertical start	Select Picture>Advanced>
on the bottom.	may be set too low.	V Start and increase the
		setting to match the input signal.

Vertical position may be set too near to the bottom.

Press the front panel Center button and shift the image up.

	Display may be set	Use the display’s position or size
	incorrectly.	controls to fit the image on the
		display.
Frozen image.	Freeze is activated.	Issue the SIS command 0F to
		deactivate freeze mode.

Output resolution	Active pixels and/or
cannot be increased.	active lines may be too
	high.

Select Input>Advanced>Active Area and reduce the active lines and/or active pixels to match the input signal.

The output size	Output resolution is	Press the front panel Output Rate
cannot be increased.	too high.	button to decrease the resolution.
Multiple faint	Input total pixels	Select Picture>Advanced>Total
vertical lines appear.	setting is incorrect.	Pixels and experiment with
		settings until the lines move
		completely out of view or only
		one remains. See “Single faint
		vertical line appears”, below, if
		necessary.
Single faint vertical	Input phase setting	Select Input>Phase and
line appears.	is incorrect.	experiment with settings until the
		line moves completely out of view.
The entire image is	Sharpness setting is too	Select Picture>Sharpness and
too soft.	low.	increase the sharpness setting.
	The refresh rate may	Select Output>Refresh Rate and
	be too high.	lower the refresh rate.
Some characters are	Total pixels setting	Select Picture>Advanced>Total
too soft.	is incorrect.	Pixels and experiment with
		settings until the characters are
		sharp.
	Input phase setting	Select Picture>Advance>Fine
	is incorrect.	Phase and experiment with
		settings until the characters are
		sharp.
Total pixels setting	Horizontal start	Select Picture>Advanced>H
cannot be decreased.	may be too high.	Start and reduce the setting to
		match the input signal.
	Active pixels setting	Select Picture>Advanced>Active
	may be too high.	Pixels and reduce the setting to
		match the input signal.

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