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Issue 05 (2016-06-20)Huawei Proprietary and Confidential
This document describes the functions of a handheld terminal EP820 (a mobile broadband
trunking system) and related operations.
Product Version
This document (guide) is applicable to the EP820 of the following models.
About This Document
About This Document
Product Name
EP820-D04AV100R003C00
EP820-D62
EP820-C71
Intended Audience
This document (guide) is intended for:
lSystem engineers
lField engineers
Organization
1 Change History
Product Version
Updates between document issues are cumulative. Therefore, the latest document issue
contains all updates made in previous issues.
2 Safety Information
This section contains important information pertaining to the operating instructions of your
device. It also contains information about how to use the device safely. Read this information
carefully before using your device.
3 Overview
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This table provides the related glossary for reference.
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Description
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal
injury.
Calls attention to important information, best practices and
tips.
NOTE is used to address information not related to
personal injury, equipment damage, and environment
deterioration.
General Conventions
The general conventions that may be found in this document are defined as follows.
Convention
Description
Times New RomanNormal paragraphs are in Times New Roman.
BoldfaceNames of files, directories, folders, and users are in
boldface. For example, log in as user root.
ItalicBook titles are in italics.
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4 Installation and Use.................................................................................................................... 16
4.1 Attaching the Antenna.................................................................................................................................................. 16
4.2 Installing the Battery.................................................................................................................................................... 16
4.3 Charging the Battery.....................................................................................................................................................18
4.4 Powering On and Powering Off................................................................................................................................... 19
5.2 Status Icons...................................................................................................................................................................22
5.3 Home Screen.................................................................................................................................................................23
5.4.1 General Settings.........................................................................................................................................................24
5.4.2 Group Call................................................................................................................................................................. 25
5.4.4 Direct Mode Operation..............................................................................................................................................28
5.5 Video Service................................................................................................................................................................29
5.5.1 Video Call..................................................................................................................................................................29
5.5.2 Video Surveillance.....................................................................................................................................................30
5.5.3 Video Distribution..................................................................................................................................................... 31
5.5.4 Video Sending............................................................................................................................................................31
5.6.2 Status Message.......................................................................................................................................................... 34
5.8 Installing the third-party applications...........................................................................................................................37
This section contains important information pertaining to the operating instructions of your
device. It also contains information about how to use the device safely. Read this information
carefully before using your device.
Medical Device
lFollow rules and regulations set forth by hospitals and health care facilities. Do not use
your device when using the device is prohibited.
lImplantable medical devices, such as pacemakers, implanted cochleas, and hearing aids
may be affected by radio waves generated by this device. If you are using such medical
devices, consult their manufacturers for related restrictions. Pacemaker manufacturers
recommend that a minimum distance of 15 cm be maintained between your device and a
pacemaker to prevent potential interference with the pacemaker. If you are using a
pacemaker, use the device on the opposite side of the pacemaker and do not carry the
device in your front pocket.
Prevention of Hearing Damage
Using a headset at high volume can damage your hearing. To reduce the risk of damage to
hearing, lower the headset volume to a safe and comfortable level.
Safety of Children
Comply with all precautions with regard to children's safety. Letting the child play with your
device or its accessories, which may include parts that can be detached from the device, may
be dangerous, as it may present a choking hazard. Ensure that children are kept away from the
device and accessories.
Potentially Explosive Atmosphere
lPower off your device in any area with a potentially explosive atmosphere, and comply
with all signs and instructions. Triggering of sparks in such areas could cause an
explosion or a fire, resulting in bodily injuries or even deaths. Do not power on your
device at refueling points such as service stations.
lComply with restrictions on the use of radio equipment in fuel depots, storage, and
distribution areas, and chemical plants. In addition, adhere to restrictions in areas where
blasting operations are in progress. Before using the device, watch out for areas that have
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potentially explosive atmospheres that are often, but not always, clearly marked. Such
locations include areas below the deck on boats, chemical transfer or storage facilities,
and areas where the air contains chemicals or particles such as grain, dust, or metal
powders. Ask the manufacturers of vehicles using liquefied petroleum gas (such as
propane or butane) whether this device can be safely used in their vicinity. Do not store
or transport the device and accessories in the same container as combustible or explosive
gas, liquid or materials.
Traffic Security
Do not use your device while flying in an aircraft. Power off your device before boarding an
aircraft. Using wireless devices in an aircraft may cause danger to the operation of the aircraft
and interrupt the wireless telephone network. It may also be considered illegal.
Operating Environment
lDo not use or charge the device in dusty, damp, and dirty places or places with magnetic
fields. Otherwise, it may result in a malfunction of the circuit.
lOn a stormy day with thunder, do not use your device to prevent any danger caused by
lightning.
2 Safety Information
lPower off your device if using the device is prohibited.
lIf the ambient temperature is over high or low, the device may be faulty.
Disposal and Recycling Information
The device (and any included batteries and accessories) should not be disposed of as normal
household garbage. Local laws and regulations on the disposal and recycle of such objects
should be followed.
Accessories
Use ONLY original batteries, chargers, and accessories supplied by the device manufacturer.
The use of any other type of battery, charger, or accessory may invalidate any warranty for the
device, may be in violation of local rules or laws, and may be dangerous.
Battery and Charger
lUse ONLY the original charger to charge the battery and equipment.
lUnplug the charger from the electrical plug and the device when not in use.
lDo not connect two poles of the battery with conductors, such as metal materials, keys,
or jewelries. Otherwise, the battery may be short-circuited and may cause burns and
other bodily injuries.
lDo not place the battery or device near any heating device, such as a microwave oven, an
oven, or a radiator. Battery overheat may result in a fire, explosion or other hazard.
lDo not modify or remanufacture, attempt to insert foreign objects into the battery,
immerse or expose it to water or other liquids, Otherwise, it may lead to battery leakage,
overheat, fire or explosion.
lIf battery electrolyte leaks out, ensure that the electrolyte does not touch your skin or
eyes. If the electrolyte touches your skin or splashes into your eyes, wash your eyes and
skin with clean water immediately and consult a doctor.
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lIf there is a case of deformation, color change, or abnormal heating while the battery is
being used, charged or stored, remove the battery immediately and replace it. Otherwise,
it may lead to battery leakage, overheating, explosion, or fire.
lIf the power cable is damaged , or the plug loosens, stop using the cable at once.
Otherwise, it may lead to an electric shock, a short circuit of the charger, or a fire.
lDo not dispose of batteries in fire as they may explode. Batteries may also explode if
damaged.
Cleaning and Maintenance
lKeep the device and accessories dry. Do not use microwave oven or other heaters to dry
the device.
lDo not place your device, battery, and charger in places where they can get damaged
because of collision. Otherwise, it may lead to battery leakage, device malfunction,
overheating, fire, or explosion.
lDo not leave your device, battery, and charger in a place with an extreme high or low
temperature. Otherwise, they may become faulty, and fire or explosion may be caused.
lDo not place sharp metal objects such as pins near the earpiece. The earpiece may attract
these objects and hurt you when you are using the device.
lDo not use any strong chemical detergent, powder, or other chemical agents (such as
alcohol and benzene) to clean the device and the charger. Otherwise, parts of the device
may be damaged or a fire can be caused. You can clean the device and the charger with a
piece of damp and soft antistatic cloth. Power off the device before cleaning or
maintenance, and disconnect the charger from the device. Secure the headset slot cover,
interface cover, and battery cover.
lDo not dismantle the device or accessories. Otherwise, the warranty on the device and
accessories is invalid and the manufacturer is not liable to pay for the damage.
lIf the device screen is broken by colliding with hard objects, do not touch or try to
remove the broken part. In this case, stop using the device immediately, and then contact
an authorized service center in time.
lAvoid dropping, knocking, or vibrating the device. Otherwise, the internal circuit and
structure may be damaged. If the device or battery is dropped, especially on a hard
surface, and the user suspects damage, contact the device manufacturer.
lKeep the headset jack plug, port plug and battery cover installed tightly.
lClear the water from the surface and loudspeaker of the device if it is exposed to water.
2 Safety Information
Specific Absorption Rate
The maximum specific absorption rate (SAR) of this device is 1.6 watts/kilogram (W/kg),
complying with CE and FCC.
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