9. Troubleshooting
When Playing Sound from the Speaker
Problem
There is no sound from the
speaker.
When Using the System as a Whiteboard
Problem
No stroke is displayed.
A stroke is not displayed at the
correct position.
288
Causes
An unnecessary speaker is
enabled in [Device
Management].
Causes
The transmissions from the
electronic pen use the 2.4 GHz
wireless band. Wireless
interference have occurred in
the 2.4 GHz band.
• There is something on the
display frame.
• The display is dirty.
Solutions
Disable the unnecessary speaker. See
page 314 "Disabling an Unnecessary
Speaker".
Solutions
Separate the whiteboard and
the electronic pen at least 3
meters away from wireless LAN
devices.
• Do not leave the
interactive pen or any
material on the display
frame.
• Do not leave any material
on the display frame.
• Clean the display. For
details about how to clean
the display, see page 312
"Cleaning the Display".
If any of these actions do not fix
the problem, contact your
service representative.
Need help?
Do you have a question about the Interactive Whiteboard Controller Type 2 and is the answer not in the manual?