B a t t e r y i n f o r m a t i o n114. Battery informationThis device is intended for use when supplied with power froma CR2 3V Lithium battery. The use of any other battery types mayinvalidate any approval or warranty, and may be dangerous.Always switch the device off before removing the battery.Observe the correct polarity when inserting batteries.Warning! Never use any charger or battery that isdamaged.Use the battery only for its intended purpose.Do not short-circuit the battery. Accidental short-circuiting canoccur when a metallic object such as a coin, clip, or pen causesdirect connection of the positive (+) and negative (-) terminalsof the battery. This might happen, for example, when you carrya spare battery in your pocket or purse. Short-circuiting theterminals may damage the battery or the connecting object.