Product Manual

820-2
Users Manual
12
How to Clean the Product
Regularly clean the case with a damp cloth and mild detergent.
 Caution
To prevent damage to the Product, do not use
abrasives or solvents to clean the Product case.
How to Change the Batteries
The Product is energized by three AA (LR6) batteries. When the
low battery symbol shows on the display (), replace the
batteries. See Figure 3.
 Caution
To prevent damage to the Product:
• Be sure that the battery polarity is correct to
prevent battery leakage.
• Remove batteries to prevent battery leakage
and damage to the Product if it is not used for
an extended period.