Troubleshooting - BenQ QTouch User Manual

Troubleshooting

Problem
Gesture eraser cannot be used.
The depicted geometry and
pictures on the page cannot be
erased.
The background color is white
after starting QTouch.
There is no reaction when clicking
the buttons in the floating toolbar.
There is a gray area on both sides
after importing PowerPoint.
Confirm the installation of the latest Touchdev driver and
make sure Touchdev procedure is running. Read
and Uninstalling Software (see page 5)
information.
QTouch has five erasers to choose from. To clear the
graphs, images, videos or Flash inserted on the page, only
Region and MoveClear are effective. Read
Eraser (see page 23)
While starting QTouch, the default background color is
subject to the current display resolution. If it is equal or
under 1024 × 768, the default color is white. Otherwise, it
is green.
Most of the buttons in the floating toolbar in QTouch can
only be used under the transparent page. You can switch to
the transparent page by clicking
In order to keep the normal display scale while importing
PowerPoint, QTouch sets the display scale at 4:3. In this
case, there is a gray area on both sides of the screen.
Within the gray area, it cannot draw lines.
Solution
for more
for more information.
in the floating toolbar.
Installing
How to Use
Troubleshooting 43