CHCNAV LT800 Rugged GNSS Tablet User Guide

LT800
RUGGED GNSS TABLET

MAPPING & GEOSPATIAL

Preface

Copyright
Copyright 2023 &Trademarks
CHCNAV | Shanghai Huace Navigation Technology Ltd. All rights reserved. The CHCNAV and CHC Navigation are trademarks of Shanghai Huace Navigation Technology Limited. All other trademarks are the property of their respective owners.
Safety Warnings
The Global Navigation Satellite System (GNSS) consists of several distinct satellite constellations, each under the jurisdiction of a specific government agency. These entities have the sole responsibility for ensuring the accuracy of their respective systems and
maintaining the integrity of their satellite networks.
Do not rely on the device alone for critical navigation decisions. GNSS signals can be affected by atmospheric conditions, satellite availability, signal blocking, etc.
Be aware of the limitations of GNSS accuracy. It provides positioning information with a degree of accuracy, but errors (including manual errors) and deviations may occur.
Avoid prolonged exposure to strong magnetic fields as they may interfere with the operation of the device and affect its accuracy.
Do not disassemble or modify the device. Any unauthorized modification may result in malfunction or damage and will void the warranty.
Follow all instructions in the user manual for proper handling, charging, and maintenance.
FCC Interference Statement
This equipment has been designed to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules in the Portable Mode. These limits are designed to provide reasonable protection against harmful interference in a residential  installation.
Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation.
CE Interference Statement
This device complies with the essential requirements of the relevant European Union directives regarding electromagnetic compatibility and radio spectrum usage. This compliance ensures that the device will not interfere with other devices and will operate as  intended within specified limits. These frequencies can be used without restriction in Europe.

Introduction

Thank you for purchasing the CHCNAV LT800 GNSS RTK Tablet.
This User’s Manual will provide you with useful information about your device. It will help you get started using it in the field.

1.1 Technical Assistance
If you have a problem and cannot find the information you need in the product documentation, contact your contact your local distributor from whom you purchased the LT800. Alternatively, please request technical support via the CHCNAV website  (www.chcnav.com) or the CHCNAV technical support e-mail (support@chcnav.com).
1.2 Your Comments
Your feedback about this User Guide will help us to improve it in a future revision. Please e-mail your comments to support@chcnav.com.
1.3 Disclaimer
This manual describes the CHCNAV LT800 RTK Tablet. Before using the LT800, please ensure that you have read and understood this User’s Guide and the Safety Requirements. CHCNAV assumes no responsibility for any user’s misuse or loss resulting from a  misunderstanding of this User’s Guide. However, CHCNAV reserves the right to periodically update and improve the contents of this User’s Guide. For the latest information, please contact your local CHCNAV dealer.
1.4 Warning and Cautions
A Warning or Caution information is intended to minimize the risk of personal injury and/or damage to the equipment.
WARNING – A Warning alerts you to a potential misused or wrong setting of the equipment.
CAUTION – A Caution alerts you to a possible risk of serious injury to your person and/or damage to the equipment.
1.5 Use and Care
The LT800 is designed to withstand the harsh environment typically encountered in the field.
However, the LT800 is high-precision electronic equipment and should be handled with appropriate care.

Overview

2.1 Features
LT800 is a GNSS RTK tablet running Android 12 OS. Its dust and waterproof level is IP67 and it can survive a 1.2m drop onto concrete. With its 9000 mAh Li-Ion battery, it can work continuously for up to 10 hours.

and1/Band3/Band4/  Band5/Band7/Band8/Band17/ Band20/Band28
Bluetooth| Bluetooth™ 5.1
USB| Type C/OTG
Li-ion Battery| 9000mAh
Voltage| 3.8V
Battery Life| 10 h
Charging Time| 4.0 h
Fast charging: QC 3.0
Front Camera| 8 megapixels
Back Camera| 16 megapixels
Flashlight| Integrated

2.2 Specifications
Physical specifications

Display

• Size: 8.1” touch screen
• Resolution: 1920 x 1200
• Brightness: 600 cd/m2
• Touch screen: Capacitive multi-touch, 5 points
• Point touch pen: Mapping pen with high degree of accuracy
• Screen technology: IPS display panel Corning® Gorilla® Glass 3

Physical

• Dustproof and waterproof: IP67
• Shock: Survives a 1.2 m drop onto concrete
• Humidity: 5% – 95% RH (without condensation)
• Dimension(L x W x H): 215.5 mm x 130 mm x 14.5 mm (8.5 in x 5.1 in x 0.6 in)
• Weight: 550 g (19.4 oz)
• Operating temperature: -20 °C to +60 °C(-4°F to +140°F)
• Storage temperature: -40 °C to +70 °C(-40°F to +158°F)

Sensors

• NFC: Support
• G-sensor: Support
• Light sensor: Support
• E-compass: Support
• Gyroscope: Support

2.3 Front View

2.4 Back View

2.5 Top

The tablet has an internal rechargeable lithium-ion battery, charge the battery fully before using it for the first time. To charge the battery, please connect the USB cable and the power adapter to the AC outlet.
WARNING – Charge the battery only according to the instructions. Charging or using the battery with unauthorized equipment or in a wet environment may cause an electrical short and damage the tablet. Do not insert any objects into the charging port as this  may damage the charging port.

To prevent injury or damage:

• Charge the battery only in CHCNAV authorized equipment. Be sure to follow all instructions that are provided with the battery charger.

2.6 Left/Right Side

2.7 Installation

Please insert the SIM card and the MicroSD card in the direction of the diagram.

Basic Operation

3.1 Insert SIM Card and Power On
Refer to 2.7 Installation to find the SIM card and TF card slot, and then insert the cards into slots correctly.
Before powering on LT800, please make sure to fully charge the battery. Then long press the power button to turn on LT800 and enter its home screen.

Click to make a phone call.
Click to open a message.
Click to open a calendar.
Click to access contacts information.
Click to turn on the camera.

After powering on LT800, click Settings— Network & Internet —SIMS to turn on the SIM cards.

3.2 Language & Input
Click [Settings] – [System]- [Language & input] – [Language] to select language. If you have not found the language you want to choose, click [Add a language] to find the target language.

3.3 Set Date & Time
Click [Settings] – [System]- [Date & time] and enter [Date & time] interface.

If you want to set date and time by yourself, please turn off the Set time automatically first and then click Date and Time to start your settings.

You can also customize your time zone and choose whether to use the 24-hour format in this interface.

3.4 Display
Click [Settings] – [Display] to enter Display interface.

Brightness adjusting: Click Brightness level to adjust it according to your preference.

Lock display: Click to optimize the inactivity time LT800 needs to close the screen.

Font size : Click Font size to enter Font size interface and then Slide the green dot to change the font size.

3.5 Wi-Fi
Click [Settings] – [Network & Internet] – [Internet] – [Wi-Fi] to switch on the button.

Select Wi-Fi and type in its password to connect. After connecting Wi-Fi, the Network info can be checked.

3.6 Bluetooth
Click [Settings] – [Connected device] – [Bluetooth] to find nearby devices and pair with it.

3.7 USB Connection
For connection or data transmission between LT800 and PC, please use the USB data cable as shown below.

After USB data cable connecting with PC, the computer will recognize the storage space of the LT800.

You can also use third-party software to manage the documents and data stored in LT800 and install software such as GNSS Tool.

3.8 Use Camera

Click to select recording the video or panorama mode.
Click to take a photo.
Camera Settings

Click to configure related parameters.

3.9 Log in 4G
After inserting your SIM card, click [Settings] – [Network & Internet] – [SIMS] – [Preferred network type] and select corresponding network type of your SIM card. Then turn on Mobile data and click Data usage to see data usage.

3.10 Location
Turn on The Location Service
Click [Settings] – [Location] – [Use location] to switch on location service.

3.11 Checking the IMEI Number of The Device
Turn the LT800 on and enter the dialing panel, tap ‘*#06#’, the IMEI numbers show up automatically.

Getting Start with LandStar 8

4.1 Connect the LT800 to internet
Please select Wi-Fi or mobile network to enable Internet to allow a connection to your GNSS RTK Corrections Service provider.

4.2 Create a project
Power on the LT800: Long press the power button for 3-5 seconds.

Launch the LandStar 8 software.

Click New to create a new project, users should set coordinate, codeList and other survey parameters.

Name: Input the project name, backslash (/) is forbidden.
Time Zone: Choose the time zone in drop-down list from UTC-12:00 to UTC+14:00.
Reference project: choose a reference project and get the parameters automatically, including Coordinate system, Codes library and Projects settings. Control point, Enter, and Stakeout points are optional.

Coordinate System:
Users can create a new coordinate system or use the template of existing projects. Click User defined to create a new coordinate system.

Set the right parameters according to the surveying area, and then click Save to finish CRS configuration.

Click Pre defined to enter Common Coordinate interface, and then users are able to add a new coordinate system by clicking Select. Slide right and click the green button to check the coordinate system information.

Users can view the parameters of ellipsoid, projection, datum transformation, Horz.
adjustment and Vert. adjustment. Click OK, it’ll return to Coordinate System interface, and then click Select to finish CRS configuration.

Tick the Reference project in Coordinate System to select project template, then it will show a list of historical projects. Users can select one and click OK to apply. It’s used for applying the transformation parameters for different sites. For example, there is  project A which has finished site calibration, while another project B needs the transformation parameters the same as project A. Then users can select project A in the project template while creating project B.

4.4 Connect to the LT800 GNSS Module
Tap [Config] – [Connect instruments].

Select Brand as [CHC], Type as [Android location], Model as [LT800], Antenna Type as [CHCLT800].

When connected to the LT800 GNSS, the message “Connect successfully. Check antenna height!” appears.

4.5 Survey
Wait until the software shows [SBAS], which means the LT800 is using the GNSS correction data from the SBAS satellites.
Click the [Survey] – [Map survey] to start your work.

Tap [Survey] icon to collect the points.

4.7 Sky Plot
Click Sky Plot and see how many satellites the device is currently tracking.

CHC Navigation
577 Songying Road,
Qingpu District, 201702 Shanghai, China
Tel: +86 21 542 60 273 | Fax: +86 21 649 50 963
Email: sales@chcnav.com | support@chcnav.com
Skype: chc_support
Website: www.chcnav.com

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