Quick Start
9
Introduction
Dear customer, thank you very much for choosing the
CHALLENGER 1.0
GSM digital mobile phone. This quick start
manual gives you access to the basic functions of the phone.
For a more detailed explanation of all the functions, please
refer to the user manual.
With IP protection and rugged housing, the
CHALLENGER 1.0
still works where other devices are long gone. With the certi-
fied safety functions you are allowed to use it in ATEX zone 2
explosion hazardous areas.
Please read this Quick start manual before using the phone
and follow the tips and advices in order to be able to use the
mobile phone for your full satisfaction and safety.
6
First Steps
6.1
Battery
The battery is attached to the back of the mobile phone. The
battery is not fully charged when the mobile phone is pur-
chased, but it contains enough energy to power on the
phone. To obtain best battery performance and battery life,
let the battery discharge completely before charging it com-
pletely for the first three charging cycles.
