User's Manual

2
1. General Information
1. 1 Introduction
Thank you for purchasing the MASS2 GSM. Please read all
information carefully before getting stared to install and use the
Mobile. This would help you to make good use of this mobile and fully
understand the functions of mobile and be easy to operate. Mass2
GSM is aimed to design for GSM/GPRS network. Mass GSM
complies with GSM/GPRS Technique regulations and it is certified by
internal and external authorities.
1. 2 For your safety
Don’t use a hand-held phone while driving.
Stop and park your vehicle safely before using your phone. .
Switch off in aircraft
Wireless devices can cause interference in aircraft. The use of
mobile telephones in an aircraft is illegal. Please switch off your
mobile before taking off the plane and please ensure the alarm clock
should be closed when the mobile is turned off.
Switch off near blasting
To avoid interfering the process off blasting, don’t use the phone
where you may read the sign of “Blasting Spot” or “Turn off your
wireless”. Observe restrictions and follow any regulations or rules.
Switch off near dangerous stuff.
Don’t use the phone at a refueling point Don’t use near fues or
chemicals.
Switch the phone off in hospitals.
Switch the phone off near medical equipment. There may be a
hazard associated with the operation of phones close to
inadequately protected personal medical devices such as hearing
aids and pace makers. Don’t put your phone on pacemakers which
means not to put it in the pocket of clothes.
Use your phone promptly
The antenna is straight over your shoulder when you are talking to
the phone. Don’t touch the antenna if not necessary.
Emergency calls
Ensure the phone is switched on and in service. Enter the
emergency number
1. 3 Battery Use
Use only approved batteries. Use of any unauthorized accessories
could damage you and your phone and may be dangerous. If jewelry,
keys, beaded chains, or other conductive materials touch exposed
battery terminals, this could complete an electrical circuit (short circuit),
become very hot, and could cause damage or injury. Never use a charger
or battery that is damaged.
Use the battery only for its intended purpose.
 If you use the phone near the network’s base station, it uses less power.
Talk and standby time are greatly affected by the signal strength on the
cellular network and the parameters set by the network operator.
 Battery charging time depends on the remaining battery charge, the
type of battery, and the charger used. The battery can be charged and
discharged hundreds of times, but it will gradually wear out. When the
operation time is noticeably shorter than normal, it is time to buy a new
battery.
 If left unused, a fully charged battery will discharge itself over time.
 Use only approved batteries, and recharges your battery only approved
chargers. Disconnect the charger from the power source when it is not
in use. Do not leave the battery connected to a charger for more than a
week, since overcharging may shorten its life.
 Extreme temperatures will affect the charging capacity of your battery:
it may require cooling or warming first.
 Do not leave the battery in hot or cold places because the capacity and
lifetime of the battery will be reduced. Try to keep the battery at room
temperature. A phone with a hot or cold battery may not work
temporarily, even when the battery is fully charged.
For your safely, read the guidelines carefully.
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