HTC P3400, User Manual, Page: 198 / 211

Appendix 197
Other tips and cautions
• Avoid using your phone near metal structures (for example, the steel
frame of a building).
•
Avoid using your phone near strong electromagnetic sources, such as
microwave ovens, sound speakers, TV and radio.
• Avoid using your phone after a dramatic change in temperature.
Safety Precautions
SAFETY IN AIRCRAFT: This product can cause interference to an aircraft’s
navigation system and network. In most countries it is against the law to
use this product on board an airplane.
ENVIRONMENTAL SAFETY: Do not use this product in gas stations, fuel
stores, chemical plants and locations containing explosives.
ROAD SAFETY: Vehicle drivers in motion are not permitted to use
handheld telephony services, except in emergency. In some countries,
using hands-free devices as an alternative is allowed.
MEDICAL EQUIPMENT SAFETY: This product may cause medical
equipment malfunction. In most hospitals or medical centers use of this
product is forbidden.