See also:

Important safety notes
In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged. Have the battery checked regularly at a qualified specialist workshop, such as ...

Lights
Display messages about LEDs: This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and Solutions The left or right ...

General notes
USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this devic ...