A d d i t i o n a l s a f e t y i n f o r m a t i o n80 Copyright © 2005 Nokia. All rights reserved.■ Potentially explosive environmentsSwitch off your device when in any area with a potentially explosive atmosphere andobey all signs and instructions. Potentially explosive atmospheres include areas whereyou would normally be advised to turn off your vehicle engine. Sparks in such areascould cause an explosion or fire resulting in bodily injury or even death. Switch off thedevice at refuelling points such as near gas pumps at service stations. Observerestrictions on the use of radio equipment in fuel depots, storage, and distributionareas, chemical plants or where blasting operations are in progress. Areas with apotentially explosive atmosphere are often but not always clearly marked. Theyinclude below deck on boats, chemical transfer or storage facilities, vehicles usingliquefied petroleum gas (such as propane or butane), and areas where the air containschemicals or particles such as grain, dust or metal powders.■ Emergency callsImportant:Wireless phones, including this device, operate using radio signals, wirelessnetworks, landline networks, and user-programmed functions. Because ofthis, connections in all conditions cannot be guaranteed. You should neverrely solely on any wireless device for essential communications like medicalemergencies.To make an emergency call:1. If the device is not on, switch it on. Check for adequate signal strength.Some networks may require that a valid SIM card is properly inserted in thedevice.2. Press as many times as needed to clear the display and ready the device forcalls.