Troubleshooting; Related Messages - 3M X21i Operator's Manual
Digital projector
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Also See for X21i:
- Operator's manual (108 pages) ,
- Brochure & specs (4 pages) ,
- Safety manual (200 pages)
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3M™ Digital Projector X21i/X26i
Troubleshooting
CAUTION
Troubleshooting
Related messages
Message
Description
There is no input signal.
The USB TYPE B port is selected as the picture input
source even if MOUSE is selected for USB TYPE B
54
The horizontal or vertical frequency of the input signal is
An improper signal is input.
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