Epiphan VGADVI Recorder - Manual (Page 198)

VGADVI Recorder User Guide 7-10 Troubleshooting
7-10
Troubleshooting
Use the follow table for help if you are experiencing problems or unexpected behavior from your VGADVI
Recorder.
Problem Action(s) to Resolve
Not sure if the connected video inputs are
being captured.
Look at the device's LED lights. If the red light is blinking, signal
is being received.
OR
Check each source's input from the source preview in the Web
Interface. See Configure a video source .
No sound is coming from an audio
source.
Verify that you are using the correct audio input by following
the steps in Configure an audio source .
Too much noise is present in the audio
output.
Modify the Input Amplifier Volume parameter in the Audio
menu. Start with setting it to 40% and reduce until the noise is
no longer present. See Set audio volume for details on this
setting.
Image quality is poor or insufficient. The following tips can help improve image quality:
1. Ensure the source resolution is used as the output or
recorded resolution. Up-scaling and down-scaling can
affect picture quality. See Upscale or downscale your
video image .
2. Increase the Bitrate value and/or decrease the Limit
frame rate value in the Stream Setup menu. See Adjust
video quality .
Frames per second are lower than
expected.
The following tips can help improve frames per second (fps):
1. Increase the Limit frame rate value and/or decrease the
Bitrate value in the Stream Setup menu. See Adjust video
quality .
2. Reduce the number of actions happening simultaneously
on the device (i.e. if streaming, recording, and copying
files, consider waiting to copy files until after streaming
and recording are complete).
3. Enter a low negative value (i.e. -5) in the Frame Grabber's
Vertical Shift field.
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