Yamaha VL1-m, Feature Reference

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Feature Reference
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Appendix
Troubleshooting
The VL1-m is a very versatile instrument with many features and functions that
affect operation. In many cases, what appears to be a fault with the VL1-m can actually
be traced to an improperly set parameter or, at the most fundamental level, to something
as simple as a bad connection.
Here’s how to determine if the problem is internal (e.g. parameter settings) or
external (e.g. connections, amplifier, etc.):
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Listen via Headphones. Plug a pair of headphones into the VL1-m and
play. If the headphone sound is OK, then the problem is most likely in the
amplifier or mixer you are using, or the audio connection cables.
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Try moving all controllers — modulation wheels, foot controlers, etc. In
some cases extreme controller settings can cause unexpected sound or
pitch … or even no sound at all.
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Try selecting diferent voices. If the problem occurs only on one voice then
the voice parameters are most likely at fault. If the problem occurs on all
voices then a utility parameter should be suspected.
The following are some common problems and probable causes:
Troubleshooting