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often, but not always, clearly marked. They include below deck on
boats, chemical transfer or storage facilities and areas where the
air contains chemicals or particles such as grain, dust, or metal
powders. You should check with the manufacturers of vehicles
using liquefied petroleum gas (such as propane or butane) to
determine if this device can be safely used in their vicinity.
■ Emergency calls
Important: This device operates using radio signals,
wireless networks, landline networks, and user-
programmed functions. Connections in all conditions
cannot be guaranteed. You should never rely solely on
any wireless device for essential communications like
medical emergencies.
To make an emergency call:
1. If the device is not on, switch it on. Check for adequate signal
strength. Depending on your device, you may also need to
complete the following:
• Remove certain call restrictions you have activated in
your device.
2. Press the end key as many times as needed to clear the display
and ready the device for calls.
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