User's Manual

AC65/AC75 Hardware Interface Description

Confidential / Preliminary

AC65/AC75_hd_v00.372 Page 17 of 118 2006-08-03

SOS

IMPORTANT!

Cellular terminals or mobiles operate using radio signals and cellular

networks. Because of this, connection cannot be guaranteed at all times

under all conditions. Therefore, you should never rely solely upon any

wireless device for essential communications, for example emergency calls.

Remember, in order to make or receive calls, the cellular terminal or mobile

must be switched on and in a service area with adequate cellular signal

strength.

Some networks do not allow for emergency calls if certain network services or

phone features are in use (e.g. lock functions, fixed dialing etc.). You may

need to deactivate those features before you can make an emergency call.

Some networks require that a valid SIM card be properly inserted in the

cellular terminal or mobile.

Bear in mind that exposure to excessive levels of noise can cause physical

damage to users! With regard to acoustic shock, the cellular application must

be designed to avoid unintentional increase of amplification, e.g. for a highly

sensitive earpiece. A protection circuit should be implemented in the cellular

application.