9
TROUBLESHOOTING
If for some reason the program/activity stops working, please
follow these steps:
1. Turn the unit
Off
.
2. Interrupt the power supply by removing the batteries.
3. Let the unit stand for a few minutes, then replace
the batteries.
4. Turn the unit back
On
. The unit should now be ready to
use again.
5. If the unit still does not work, install a new set of batteries.
Environmental Phenomena
The unit may malfunction if subjected to radio-frequency
interference. It should revert to normal operation when the
interference stops. If not, it may become necessary to turn the
power OFF and back ON, or remove and reinstall the batteries.
In the unlikely event of an electrostatic discharge, the unit may
malfunction and lose memory, requiring the user to reset the
device by removing and reinstalling the batteries.
