4a. important safety information, Electrical safety, Safety precautions for power supply unit – HTC EVO 4G User Manual

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4A. Important Safety Information

Important Health Information and Safety Precautions (page 166)

General Precautions (page 170)

Additional Safety Information (page 172)

This User Guide contains important operational and safety information that will help you safely use your device.

Failure to read and follow the information provided in this guide may result in serious bodily injury, death, or
property damage.

Important Health Information and Safety Precautions

When using this product, the safety precautions below must be taken to avoid possible legal liabilities and

Retain and follow all product safety and operating instructions. Observe all warnings in the operating
instructions on the product.

To reduce the risk of bodily injury, electric shock, fire, and damage to the equipment, observe the following

Electrical Safety

This product is intended for use when supplied with power from the designated battery or power supply unit.
Other usage may be dangerous and will invalidate any approval given to this product.

Safety Precautions for Proper Grounding Installation


Connecting to an improperly grounded equipment can result in an electric shock to your device.

This product is equipped with a USB cable for connecting with desktop or notebook computer. Be sure your
computer is properly grounded (earthed) before connecting this product to the computer. The power supply
cord of a desktop or notebook computer has an equipment-grounding conductor and a grounding plug.
The plug must be plugged into an appropriate outlet which is properly installed and grounded in
accordance with all local codes and ordinances.

Safety Precautions for Power Supply Unit

Use the correct external power source

A product should be operated only from the type of power source indicated on the electrical ratings
label. If you are not sure of the type of power source required, consult your authorized service provider
or local power company. For a product that operates from battery power or other sources, refer to the
operating instructions that are included with the product.

Handle battery packs carefully

This product contains a Lithium-ion polymer or Lithium-ion battery. There is a risk of fire and burns if
the battery pack is handled improperly. Do not attempt to open or service the battery pack. Do not
disassemble, crush, puncture, short external contacts or circuits, dispose of in fire or water, or expose a
battery pack to temperatures higher than 140°F (60°C).

4A. Important Safety Information

This manual is related to the following products: