See also:

Request Switches
WARNING ● Radio waves could adversely affect electric medical equipment. Those who use a pacemaker should contact the electric medical equipment manufacturer for the possible influences bef ...

How to use touch screen
- The glass screen on the liquid crystal display may break if it is hit with a hard or sharp object. If the glass breaks, do not touch the liquid crystalline material, which contains a s ...

Battery replacement
CAUTION: Be careful not to allow children to swallow the battery or removed parts. ...