Extron Electronics VTG 400D_400 DVI User Guide - Manual (Page 59)

3-23 VTG 400D/400 DVI • Serial Communication
Screen Saver — Select the Blank radio button to display a black screen.
While the screen is blank, the horizontal and vertical sync are still active.
Select the Cycle radio button to cycle through valid test patterns for a specific
video output (see the Test Patterns Chart in Appendix A. Select the Screen
Saver Interval drop down box to set the screen saver timeout interval: 5
minutes, 10 minutes, 15 minutes, 30 minutes, or never time out.
Advanced — Reset the VTG to factory default settings by clicking the System
Reset button.
A system reset does not affect any stored custom rates.
Quick Select Presets — Up to four sets of configuration settings – video, audio,
or all (video and audio) – can be saved (Save Preset) and later recalled
(Recall Preset). Before the save process is completed, the process may be
cancelled (Cancel Preset).
Audio tab
The Audio tab screen features seven audio signal types:
•
pink noise
• white noise
• sine wave
• square wave
• frequency sweep
• polarity
• sine burst
You can configure the audio signal via the following adjustment tools:
Audio Frequency Tone slider bar — Adjust the slider bar to specify the audio
frequency for the sine wave, square wave, or sine burst signals. It is
adjusted by moving the slider bar left or right or by selecting the
left ( ) or right ( ) arrow buttons to make incremental adjustments to the
audio frequency.