RealWear HMT-1Z1 Bedienungsanleitung

Version 1.1.4 –Updated for Release 10.4.0

HMT-1Z1

HMT Release 10 User Guide

RealWear, Inc. Copyright 2019 www.realwear.com 
Table of Contents 
 
RealWear Head Mounted Tablet One Z1 ...................................................................................................................................... 3 
HMT-1Z1 Features ........................................................................................................................................................... 4 
HMT-1Z1 Product Specifications...................................................................................................................................5 
Introduction: Understanding Intrinsically Safe Devices and Their Use in Hazardous Locations ......................... 6 
HMT Release 10 –Overview.........................................................................................................................................13 
HMT-1Z1 Safety Guidelines..........................................................................................................................................15 
Safety and Usage Guidelines........................................................................................................................................16 
HMT-1Z1 Connectivity...................................................................................................................................................17 
HMT-1Z1 Box Contents.................................................................................................................................................17 
HMT-1Z1 Device Overview............................................................................................................................................18 
HMT-1Z1 Device Overview –Details...........................................................................................................................19 
HMT-1Z1 Setup Guide ...................................................................................................................................................................24 
Wearing the HMT............................................................................................................................................................24 
Remote configuration for HMT from web browser ...................................................................................................28 
Determining Eye Dominance ........................................................................................................................................29 
Headwear with HMT Devices .......................................................................................................................................30 
Using the HMT with a Hard Hat....................................................................................................................................32 
Using the HMT without a Hard Hat..............................................................................................................................32 
Wearing HMT with Eye Protection...............................................................................................................................32 
HMT-1Z1 Charging Basics............................................................................................................................................33 
Configuring your HMT on Release 10 .........................................................................................................................34 
Settings............................................................................................................................................................................34 
Setting Up Screen Lock .................................................................................................................................................35 
Unlocking the HMT.........................................................................................................................................................37 
HMT Release 10 Wireless Update ...............................................................................................................................38 
Selecting HMT Interface Language.............................................................................................................................40 
HMT MicroSD Card ........................................................................................................................................................41 
How to insert a MicroSD card:......................................................................................................................................41 
Setting Up and Using a MicroSD Card.........................................................................................................................43 
HMT Device Care............................................................................................................................................................45 
Storing the HMT .............................................................................................................................................................45 
Cleaning the HMT device ..............................................................................................................................................46 
HMT Interaction Modes.................................................................................................................................................47 
Speech Keyboard............................................................................................................................................................48 
Voice Control...................................................................................................................................................................51 
HMT Release 10 Software Overview ...........................................................................................................................................53 
My Programs...................................................................................................................................................................55 
Recent Applications .......................................................................................................................................................56 
My Files............................................................................................................................................................................57 
My Documents................................................................................................................................................................60 
Media Player....................................................................................................................................................................62 
Deleting Files from File Manager .................................................................................................................................64 
My Camera ......................................................................................................................................................................66 
My Controls .....................................................................................................................................................................72 
Action Button ..................................................................................................................................................................76 
Power Management.......................................................................................................................................................77 
Microphone Settings......................................................................................................................................................78 
Screen Orientation..........................................................................................................................................................78 
Power Warnings..............................................................................................................................................................79 
Notifications....................................................................................................................................................................80 
Barcode Reader ..............................................................................................................................................................81 
HMT-1Z1 Ownership Information ................................................................................................................................................83 
HMT-1Z1 Regulatory and Compliance Statements...................................................................................................84 
Declaration of Conformity.............................................................................................................................................86 
HMT-1Z1 Specific Absorption Rate (SAR) Information ............................................................................................87 
HMT-1Z1 Limited Warranty and Software License ...................................................................................................88 
HMT-1Z1 i.Safe Safety Instructions ............................................................................................................................89 
 
 

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RealWear Head Mounted Tablet One Z1

The RealWear HMT-1Z1 is the world’s first hands-free Android™ tablet class wearable computer for industrial workers

and is an intrinsically safe ATEX Zone 1 and CSA C1/D1 certified fully rugged head-mounted device.

The RealWear HMT-1Z1 provides the foundation for Connected Worker programs.

Use it in wet, dusty, hot, dangerous and loud industrial environments.

It optionally snaps into safety helmets or attaches to bump caps and can be used with safety glasses or corrective

eyewear.

The high-resolution micro display ﬁts just below your line of sight and views like a 7” tablet. It’s an industrial dashboard:

there when you need it and out of your way when you don’t.

The HMT-1Z1 works with powerful software applications from our solution partners in four core categories, each

optimized for completely hands-free voice control. That means no scrolling, swiping, or tapping - just simple voice

commands.

Use it for remote mentor video calling, document navigation, guided workflow, mobile forms and industrial IoT data

visualization.

HMT-1Z1 User Guide

HMT-1Z1 Features

Intrinsically Safe

ATEX ZONE 1 AND CSA C1/D1

100% Hands free

Voice based operating system with local speech

recognition in loud areas.

Powerful Audio

Integrated speaker and 3.5mm audio jack for use with

hearing protection.

Unmatched Noise Cancellation

The HMT-1Z1 uses four microphones and advanced

algorithms to perform noise cancellation prior to voice

recognition.

PPE Compatible

Designed to work with standard hard helmets, bump

caps and safety glasses.

Full-Shift Internal Battery

8–10 hours with typical use.

Outdoor Display

Viewable in bright sunlight.

Water Proof

IP66 –Protected against heavy seas or powerful jets

of water.

Dust Tight

IP66 –Complete protection against the ingress of

micro particles.

Drop Proof

Resistant to 2-meter drops onto concrete from any

angle.

Built Rugged

Fully operational from -20° C to +50° C.

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HMT-1Z1 Product Specifications

Core Platform & Functions

Chipset 2.0 GHz 8-core Qualcomm® Snapdragon™

625 with Adreno 506 GPU - OpenGL ES 3.1 & OpenCL

2.0

Included Applications

Document Navigator, Camera with Barcode Reader,

Video Recorder, Media Player

Languages Supported

English, Spanish, French, German, Italian, Portuguese,

Russian, Mandarin Chinese, Japanese, Korean, Thai,

Polish

Memory

16 GB Internal Storage / 2 GB RAM / MicroSD slot

(max card supported 64 GB)

Operating System

Android 8.1.0 (AOSP) + WearHF™ hands-free interface

Connectivity & Sensors

Bluetooth

BT 4.1 LE (Low Energy)

Wi-Fi

802.11 a/b/g/n/ac –2.4GHz and 5GHz

GPS and Location

GPS, GLONASS, A-GPS

IMU

9-DOF (3-axis accelerometer, magnetometer, and

gyroscope), software enhanced stabilization

Battery

Capacity

3400 mAh Li-Ion, rechargeable

Battery Life

Full shift (8-10 hours) with typical use

Physical Characteristics

Weight

430 g

Ruggedization

Intrinsically safe, IP66, MIL-STD-810G, 2-meter drop

test

Dedicated Keys

Power key, application-speciﬁc Action key

Ports

3.5mm audio, 1 micro-USB

Boom Arm

Adjust six ways for all head sizes, left or right eye

compatible, display flips out of the way when not in

use

Display

Type

20° ﬁeld-of-view, 1-meter ﬁxed focus 24-bit color LCD,

0.33 inch diagonal, outdoor visible

Resolution

WVGA (854x480)

Audio

Microphone

4 digital microphones with active noise cancellation

Accurate voice recognition even in 95 dBA of typical

industrial noise

Speaker

Internal 91 dB loudspeaker

Multimedia

Camera

16 MP 4-axis optical image stabilization, PDAF with

LED flashlight

Video

Up to 1080p @30fps. Codecs: VP8, VP9 and hardware

encoding support for H.264, H.265 HEVC

Accessories

Included

Wall Charger, Micro-USB Charging Cable with inline

Charging Protection “safety box”, Overhead Strap, Rear

Head Pad

Optional

Hard Hat Clips, intrinsically safe (IS certified) Ear Bud

Hearing Protection Headphone rated at 33dB noise

reduction rating (NRR), Soft Pouch Carrying Case,

Semi Rigid Carrying Case, replacement Overhead

Straps and Rear Pads, Hard Hat, Micro SD card

HMT-1Z1 User Guide

Introduction: Understanding Intrinsically Safe Devices and Their Use in

Hazardous Locations

Background

RealWear launched a model of its award-winning ruggedized head-mounted wearable computer for industry called the

HMT-1Z1. The HMT-1Z1 is deemed “Intrinsically Safe.”

Introduction

While much has been written about operating equipment safely, there has been far less literature written on the

equipment itself that must be used. This white paper attempts to explain simply what it means for a product to be

deemed intrinsically safe, and what type of certification is necessary to effectively reduce the risk of an explosion.

Choosing the right certified equipment for the right job is an important task of every buyer.

Company disclaimer

This paper should serve only as a primer and other documents and expertise is required for final purchasing decisions.

What does Intrinsically Safe mean?

Intrinsic safety is a design approach to make an equipment safe to be used in a hazardous location. Hazardous

locations are the areas where flammable liquids, gases or vapors or combustible dust exist in sufficient quantities to

produce an explosion or fire. In hazardous locations, specially designed equipment must be used to protect against the

potentially explosive environments. These devices which can be used in the potentially explosive environments without

causing an explosion are called Intrinsically Safe devices. The intrinsically safe design technique is based on limiting

energy, electrical and thermal to a level below that required to ignite a specific hazardous atmospheric mixture.

What is an Explosion?

An explosion is a rapid increase in volume and release of energy in an extreme manner, usually with the generation of

high temperatures and the release of gases. There are three elements which must be present to cause an explosion:

Figure 0: Three Required Elements for Occurrence of an Explosion

1. Ignition Source

An ignition source is an element which can cause a fire or explosion. Open flames, sparks, static electricity and hot

surfaces are all possible ignition sources.

2. Flammable substance

Flammable substances are those gases, liquids and solids that will ignite and continue to burn in air if exposed to a

source of ignition.

3. Oxidizer

An oxidizer is a kind of chemical whereby fuel is required to burn. An oxidizer must be present in sufficient quantity in

combination with the flammable substance to produce an explosive mixture. The most common oxidizer is air (O2).

Industries like refineries, chemical plants, paint shops, mills, flour silos, tanks, cleaning facilities, and loading facilities

for flammable gases, liquids, and solids are the places where explosions occur frequently.

How to eliminate/minimize the possibility of an explosion?

As mentioned above, there are three elements which must be present to cause an explosion. If one of these elements is

eliminated, ignition will not occur. In hazardous locations, flammable substances and oxidizers cannot be eliminated

with certainty. Therefore, inhibiting ignition of a potentially explosive atmosphere can eliminate danger at the source.

The intrinsically safe device limits the electrical energy at potential sources of ignition in electrical circuits (hot

components and spark sources) to such low levels that –even under abnormal (fault) conditions –there is no

possibility of the electrical energy igniting an explosive atmosphere.

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How to tell if equipment is legitimately safe to be used in hazardous locations?

An intrinsically safe product must go through a rigorous set of tests put forth by experts in the field of safety. Products

that stand up to these standards and pass these tests are considered “Intrinsically Safe Certified.”

There are many different authorized agencies that certify intrinsically safe equipment. The European certification is

called ATEX; the most prevalent United States agency is called UL; the most well-known Canadian agency is called CSA;

and, a general provider of certification across the globe is called IECEx. Any equipment that is used in hazardous

locations should be certified by one of these well-known systems and agencies.

What is ATEX?

ATEX is an abbreviation for "ATmosphere EXplosible". At the same time, ATEX is the abbreviated name of the European

Directive 2014/34/EU concerning the placing on the market of explosion-proof electrical and mechanical equipment,

components and protective systems.

It also covers safety devices, controlling devices and regulating devices intended for use outside potentially explosive

atmospheres but required for, or contributing to, the safe functioning of equipment and protective systems with respect

to the risks of explosion.

Equipment and protective systems which fall under Directive 2014/34/EU may be placed on the market only if they bear

a CE mark and are accompanied by an EC attestation of conformity certifying that the basic health and safety

requirements have been met and that the applicable conformity assessment procedures have been observed.

Classification of Zones

According to Directive 2014/34/EU, a potentially explosive area is a space in which the atmosphere could become

explosive on account of the local and/or operational conditions. An explosive atmosphere is defined as a mixture with

air, under atmospheric conditions, of flammable substances in the form of gases, vapors, mists or dust in which, after

ignition has occurred, combustion spreads to the entire unburned mixture. In North America, hazardous locations have

traditionally been defined by a combination of classes and divisions as follows:

Hazard - Gas / vapor / mist

Zone 0

A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in

the form of gas, vapor or mist is present continuously or for long periods or frequently

Zone 1

A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in

the form of gas, vapor or mist is likely to occur in normal operation occasionally

Zone 2

A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in

the form of gas, vapor or mist is not likely to occur in normal operation but, if it does occur, will persist

for a short period only

Figure 1: Zone Classification for Gas/Vapor/Mist

HMT-1Z1 User Guide

Dust clouds in the explosive region (above the minimum explosible concentration) are categorized into 3 zones, based

upon the grade of release.

Hazard - Powder / dust

Zone 20

A place in which an explosive atmosphere in the form of a cloud of combustible dust in air is present

continuously, or for long periods or frequently.

Zone 21

A place in which an explosive atmosphere in the form of a cloud of combustible dust in air is likely to

occur in normal operation occasionally.

Zone 22

A place in which an explosive atmosphere in the form of a cloud of combustible dust in air is not

likely to occur in normal operation but, if it does occur, will persist for a short period only.

Figure 2: Zone Classification for Combustible Dust/Powder

What is IECEx?

International Electrotechnical Commission System for Certification to Standards Relating to Equipment for Use in

Explosive Atmospheres (IECEx System)

IECEx is a voluntary system which provides an internationally accepted means of proving compliance with IEC

standards. IEC standards are used in many national approval schemes and, as such, IECEx certification can be used to

support national compliance, negating the need in most cases for additional testing.

Benefits of IECEx

Because countries operate under different standards, “Ex” equipment often needs to be re-tested and re-certified to the

appropriate standards of that country, adding to the cost of the equipment. The IECEx scheme significantly reduces the

need for re-testing and certification by conforming to international IEC standards and therefore makes international

trade easier, quicker and more cost-effective.

IECEx Process

CSA Group and Sira Certification Service are both Accepted Certification Bodies (ExCB) and Test Laboratories (ExTL)

and, as such, can assess a product to the relevant standards, resulting in the compilation of an IECEx Test Report

(ExTR) and IECEx Certificate of Conformity (CofC).

Figure 3: Typical ATEX and IECEx Markings

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What is CSA?

CSA stands for the Canadian Standards Association. The organization, CSA International, is recognized throughout

North America and Europe. Like other certification companies, it tests consumer and business products to see how it

responds to certain situations and types of wear.

CSA uses the same classification of hazardous locations set forth by the NEC, which breaks hazardous locations into

classes and divisions. CSA also accounts for the European zones, which are equivalent to divisions. For example, in

North America, you may see it stated as, “Class 1, Division 1”, while in Europe, you will see it stated as, “Class 1, Zone 1”.

It is also seen abbreviated as, “C1/D1”, “C1D1,” or “C1-D1.”

What is NEC500?

The National Electrical Code (NEC), is a regionally adoptable standard for the safe installation of electrical equipment in

the United States. NEC500 refers to Article 500 in NEC. A hazardous (classified) location is defined an area where the

possibility of fire or explosion can be created by the presence of flammable or combustible gases or vapors,

combustible dust, or easily ignitable fibers/filings. Electric arcs, sparks, and/or heated surfaces can serve as a source

of ignition in such environments. Article 500 provides a foundation for applying Article 501 (Class I Locations), Article

502 (Class II Locations), Article 503 (Class III Locations), and Article 504 (Intrinsically Safe Systems)—all of which

immediately follow Article 500.

The NEC organizes flammability properties into Class I, II, and III, in Article 501, 502, and 503, respectively. It defines

and describes these in Article 500 (OSHA also defines and describes these). Article 500 is the basis for all hazardous

location work and the related Articles that follow it (see Figure).

Flammability of combustible liquids are defined by their flash-point. The flash-point is the

temperature at which the material will generate sufficient quantity of vapor to form an

ignitable mixture. The flash point determines if an area needs to be classified. A material

may have a relatively low auto-ignition temperature yet if its flash-point is above the

ambient temperature, then the area may not need to be classified. Conversely, if the

same material is heated and handled above its flash-point, the area must be classified

for proper electrical system design, as it will then form an ignitable mixture.

Divisions, zones, and groups

NEC article 500, 501, 502, and 503, Class I, II, and III locations are further broken down

into Divisions. Divisions and zones simply refer to the constancy and/or level of the

hazard.

There are two divisions and three zones:

Division 1 or Zone 0

the hazard is continuous

Division 1 or Zone 1

the hazard is intermittent

Division 2 or Zone 2

the hazard is present only under abnormal conditions

There are three hazardous location classes –respectively Class 1, Class 2, and Class 3. They simply refer to the type of

hazard in general terms:

Class 1

the hazard is a flammable vapor

Class 2

the hazard is a flammable dust

Class 3

the hazard is a flammable fiber

Each chemical gas or vapor used in industry is classified into a gas group.

Figure 4: Article 500

HMT-1Z1 User Guide

NEC Division System Gas & Dust Groups

Area

Group

Representative Materials

Class I, Division 1 & 2

Acetylene

Hydrogen

Ethylene

Propane

Class II, Division 1 & 2

E (Division 1

only)

Metal dusts, such as magnesium (Division 1 only)

Carbonaceous dusts, such as carbon & charcoal

Non-conductive dusts, such as flour, grain, wood & plastic

Class III, Division 1 & 2

None

Ignitable fibers/flyings, such as cotton lint, flax & rayon

Zone 0, 1 & 2

IIC

Acetylene & Hydrogen(equivalent to NEC Class I, Groups A

and B)

IIB+H2

Hydrogen

(equivalent to NEC Class I, Group B)

IIB

Ethylene

(equivalent to NEC Class I, Group C)

Zone 20, 21 & 22

IIIC

Conductive dusts, such as magnesium

(equivalent to NEC Class II, Group E)

IIIB

Non-conductive dusts, such as flour, grain, wood & plastic

(equivalent to NEC Class II, Groups F and G)

IIA

ignitable fibers/flyings, such as cotton lint, flax & rayon

(equivalent to NEC Class III

Mines susceptible to

firedamp

I (IEC only)

Methane

Table 0: NEC Division System Gas & Dust Groups

Group IIC is the most severe Zone system gas group. Hazards in this group gas can be ignited very easily indeed.

Equipment marked as suitable for Group IIC is also suitable for IIB and IIA. Equipment marked as suitable for IIB is also

suitable for IIA but NOT for IIC. If equipment is marked, for example, Ex e II T4 then it is suitable for all subgroups IIA, IIB

and IIC

A list must be drawn up of every explosive material that is on the refinery/chemical complex and included in the site

plan of the classified areas. The above groups are formed in order of how explosive the material would be if it was

ignited, with IIC being the most explosive Zone system gas group and IIA being the least. The groups also indicate how

much energy is required to ignite the material by energy or thermal effects, with IIA requiring the most energy and IIC

the least for Zone system gas groups.

Andere Handbücher für HMT-1Z1

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere RealWear Tablette Handbücher

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