Extron electronic IN1404XT Specific problems, Problem Possible cause Solution No image appears

Specific problems

The table below shows some common operating problems and their solutions.

Problem	Possible cause	Solution
No image appears.	Power.	Ensure that the video source, the
		scaler, and the display are plugged
		into a live AC power source and
		the scaler is turned on.
	No video input.	Check that the input device is
		outputting a video signal.
	No video output.	Press the Menu button, if the on-
		screen display does not appear,
		check the output connection.
	The output signal is	Use the power up shortcuts to
	incompatible.	select an output rate that is
		compatible with the display.
	The output resolution	Select an output resolution that is
	is lower than the input	greater than or equal to the input
	resolution.	resolution.
	The display may not	Check the display’s sync capability
	accept the output sync	and select the correct output sync.
	format.
	The input/output	Select Input>Advanced>Input
	settings may be	Mode>Redetect Now.
	incorrect or may have
	been changed with
	Lockout Changes
	enabled.
	The input is improperly Use the Input menu to select the
	configured.	correct input format.
	Freeze mode was	Deactivate freeze mode.
	entered when the
	image was black.
No audio output.	Power.	Ensure that the audio source, the
		scaler, and the amplifier/speakers
		are plugged into a live AC power
		source and the scaler is turned on.
	The source is incorrect.	Ensure that the source is
		connected to the correct input and
		that the volume has not been
		turned down or muted.
	The output is incorrect. The IN1404XT outputs line level
		audio only. Ensure that it is
		connected to a mixer/amplifier or
		to amplified speakers.
	Volume too low.	Increase the volume with the
		scaler’s Volume button.
	Audio may be muted.	Press the Mute Audio button.
The input source	Autoswitching is	Use the RS-232 AS0 command to
cannot be changed.	turned on via an	turn autoswitching off. See
	RS-232 command.	chapter 4, Programmer’s Guide, for
		details.

IN1404XT Video Scaler and Switcher • Operation 3-31