Contents
About This Document.....................................................................................................................ii
1 Change History.............................................................................................................................. 1
2 Safety Information........................................................................................................................ 4
3 Overview......................................................................................................................................... 7
3.1 Appearance..................................................................................................................................................................... 7
3.2 Specifications................................................................................................................................................................10
3.3 Product Security........................................................................................................................................................... 13
3.4 Certification Information..............................................................................................................................................14
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
4.5 Accessories................................................................................................................................................................... 20
5 Operation and Maintenance......................................................................................................21
5.1 Indicator Status............................................................................................................................................................. 21
5.2 Status Icons...................................................................................................................................................................22
5.3 Home Screen.................................................................................................................................................................23
5.4 Basic Functions.............................................................................................................................................................24
5.4.1 General Settings.........................................................................................................................................................24
5.4.2 Group Call................................................................................................................................................................. 25
5.4.3 P2P Voice Call........................................................................................................................................................... 27
5.4.4 Direct Mode Operation..............................................................................................................................................28
5.4.5 Contacts..................................................................................................................................................................... 29
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 Message Service........................................................................................................................................................... 33
5.6.1 SMS/MMS.................................................................................................................................................................33
EP820
User Guide Contents
Issue 05 (2016-06-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
vi
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