Panasonic UB-T780 Operating Instructions Manual page 28

Appendix
Symptom
The message "The pen bat-
tery is low. Replace the bat-
tery soon." is displayed on
the computer screen.
Marks written with a
white-board marker cannot
be erased.
28 Operating Instructions (For Basic Operations)
Possible cause and solution
Replace the electronic pen's battery with a new one.
Because the elite Panaboard is designed exclusively for projector
images, you cannot erase the marks with a standard eraser.
→
Use a commercially available melamine foam eraser to erase.
See page
16
25
25