alca MS-545, Manual

Page: 27 / 46

11. SOLUTIONS TO POSSIBLE ANOMALIES
A. ANOMALY C. CAUSE S. SOLUTION
A. Horizontal white and black stripes are displayed.
C. The output channel is engaged by another channel
S.
Select an unused output channel.
A. The screen is black or with snow.
C. No video signal reaches the modulator.
S.
Make sure that the video source is properly connected.
A. Image is seen but is not heard.
C. No signal reaches the audio of the modulator.
S.
Verify that the audio source is properly connected.
A. The sound level is weak
C. Selecting the Audio Stereo when the input is Mono
S.
Selecting the Audio Mono input or introducing stereo sound in the
input.
A. The level of sound is different to the rest of the channels.
C. The audio level selected is not the right one.
S.
Use the PS programmer to modify the audio level.
A. The image is visible but is insufficiently bright.
C. The level of the video signal is very low.
S. Use the PS programmer to increase the video level until a bright
image can be seen.
A. The image is visible but is too bright.
C. The level of the video signal is very high.
S. Use the PS programmer to reduce the video level until the image can
be seen correctly
A. Loss of image synchronisation.
C. The level of the video signal is very high.
S. Use the PS programmer to reduce the video level until the image can
be seen correctly
26 - ENG Manuel d’installation et programmation