HTC One E8 - Manual (Page 7)

Conventions used in this guide
In this user guide, we use the following symbols to indicate useful and important
information:
This is a note. A note often gives additional information, such as what happens
when you choose to do or not to do a certain action. A note also provides
information that may only be applicable to some situations.
This is a tip. A tip gives you an alternative way to do a particular step or procedure,
or lets you know of an option that you may find helpful.
This indicates important information that you need in order to accomplish a certain
task or to get a feature to work properly.
This provides safety precaution information, that is, information that you need to be
careful about to prevent potential problems.
7 Conventions used in this guide
Safety precautions:
a) Use a wireless hands-free system (headphone, headset) with a low power
Bluetooth emitter.
b) Make sure the cell phone has a low SAR.
c) Keep your calls short or send a text message (SMS) instead. This advice
applies especially to children, adolescents and pregnant women.
d) Use cell-phone when the signal quality is good.
e) People having active medical implants should preferably keep the cell
phone at least 15 cm away from the implant.