Lumens Technology DC235 - Manual (Page 24)

English - 23
Chapter 9 Troubleshooting
This chapter describes problems you may encounter while using DC235. If you
have questions, please refer to related chapters and follow all the suggested
solutions. If the problem still occurred, please contact our distributors or service
center.
No. Issues Solutions
1 Boot without power Make sure you have plugged in the power cord.
2 Unable to focus Probably the document is too close. Press [Zoom -] on the
control panel. Or pull the document away from the lens. And
then press [AF] button on both lateral sides of the lens.
3 Visual Presenter V2,
Ladibug™
or other
application cannot be
executed
simultaneously
Visual Presenter V2,
Ladibug™
and other applications
cannot be executed simultaneously. Only one application
can be executed at a time. Please close the currently running
applications and then execute the application to be used.