CHCNAV LT800H User manual

Make your work more efficient

Table of Content
CHCNAV LT800H GNSS TABLET USER GUIDE | 2023-08 P a g e | 2
Table of Contents
Table of Contents ...................................................................................................2
Preface...................................................................................................................3
Copyright................................................................................................................. 3
Safety Warnings...................................................................................................... 3
FCC Interference Statement................................................................................... 3
CE Interference Statement..................................................................................... 3
1 Introduction ........................................................................................................4
1.1 Technical Assistance ......................................................................................... 4
1.2 Your Comments ................................................................................................ 4
1.3 Disclaimer ......................................................................................................... 4
1.4 Warning and Cautions...................................................................................... 4
1.5 Use and Care..................................................................................................... 4
2 Overview.............................................................................................................5
2.1 Features............................................................................................................. 5
2.2 Specifications.................................................................................................... 6
2.3 Front View......................................................................................................... 7
2.4 Back View.......................................................................................................... 7
2.5 Top and Bottom................................................................................................. 8
2.6 Left/Right Side .................................................................................................. 8
2.7 Installation ........................................................................................................ 9
3 Basic Operation ...................................................................................................9
3.1 Insert SIM Card and Power On ........................................................................ 9
3.2 Language & Input ........................................................................................... 11
3.3 Set Date & Time.............................................................................................. 11
3.4 Display............................................................................................................. 12
3.5 Wi-Fi................................................................................................................ 14
3.6 Bluetooth ........................................................................................................ 15
3.7 USB Connection.............................................................................................. 16
3.8 Use Camera..................................................................................................... 17
3.9 Log in 4G ......................................................................................................... 18
3.10 Location......................................................................................................... 19
3.11 Checking the IMEI Number of The Device.................................................. 19
4 Getting Start with LandStar 8............................................................................ 20
4.1 Connect the LT800H to internet .................................................................... 20
4.2 Create a project.............................................................................................. 20
4.4 Connect to the LT800H GNSS Module........................................................... 23
4.5 CORS / RTK Network Correction Login............................................................ 25
4.6 Survey.............................................................................................................. 27
4.7 Sky Plot............................................................................................................ 28

Preface
CHCNAV LT800H GNSS TABLET USER GUIDE | 2023-08 P a g e | 3
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
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1Introduction
Thank you for purchasing the CHCNAV LT800H 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 LT800H.
Alternatively, please request technical support via the CHCNAV website (www.chcnav.com) or
the CHCNAV technical support e-mail ([e-mail]).
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 [email protected].
1.3 Disclaimer
This manual describes the CHCNAV LT800H RTK Tablet. Before using the LT800H, 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 LT800H is designed to withstand the harsh environment typically encountered in the
field. However, the LT800H is high-precision electronic equipment and should be handled
with appropriate care.

Overview
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2Overview
2.1 Features
LT800H is a high-end 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 8 hours. The LT800H tracks GPS + GLONASS + GALILEO + BDS +
QZSS (see 3.10.2 Select the Constellation Combination for details).
Item
Specification
Operating System
Android 12.0 GMS certified
CPU
Advanced octa-core CPU 2.0 GHz
RAM
6 GB
ROM
128 GB
Extension
Micro SD card, up to 256 GB
Constellation
BDS: B1I, B2I, B3I, B1C, B2a, B2b
GPS: L1C/A, L1C, L2P (Y), L2C, L5
GLONASS: L1, L2
Galileo: E1, E5a, E5b, E6*
QZSS: L1, L2, L5, L6*
SBAS*: L1, L5
RTK
2 cm HRMS
SBAS
< 1 m HRMS
Channel
1408
WIFI
Wi-Fi, IEEE 802.11a/b/g/n/ac
Network 4G modem
GSM: 850/900/1800/1900
WCDMA: B1/B2/B4/B5/B8/B19
CDMA EVDO: BC0
TD-SCDMA: B34/B39
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/
B12/B17/B18/B19/B20/B26/B28
LTE-TDD: B34/B38/B34/B39/B40/
B41
Bluetooth
Bluetooth™5.1
USB
Type C/OTG
Li-ion Battery
9000mAh
Voltage
3.8V
Battery Life
8 h
Charging Time
4.0 h
Fast charging: QC 3.0
Front Camera
8 megapixels
Back Camera
16 megapixels
Flashlight
Integrated

Overview
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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: 600 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

Overview
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2.3 Front View
2.4 Back View

Overview
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2.5 Top and Bottom
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.
2.6Left/Right Side

Basic Operation
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2.7Installation
Please insert the SIM card and the MicroSD card in the direction of the diagram.
3Basic 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 LT800H, please make sure to fully charge the battery. Then long press the
power button to turn on LT800H 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.

Basic Operation
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After powering on LT800H, click Settings—Network &Internet —SIMSto turn on the SIM cards.

Basic Operation
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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 alanguage] to find the target language.
3.3 Set Date &Time
Click [Settings] –[System]- [Date &time] and enter [Date &time] interface.

Basic Operation
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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.

Basic Operation
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Brightness adjusting: Click Brightness level to adjust it according to your preference.
Lock display: Click to optimize the inactivity time LT800H 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.

Basic Operation
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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.

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

Basic Operation
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3.7 USB Connection
For connection or data transmission between LT800H 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 LT800H
and install software such as GNSS Tool.

Basic Operation
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3.8 Use Camera
Click to select recording the video or panorama mode.
Click to take a photo.
Camera Settings

Basic Operation
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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.

Basic Operation
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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 LT800H on and enter the dialing panel, tap ‘*#06#’, the IMEI numbers show up
automatically.

Getting Start with LandStar 8
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4Getting Start with LandStar 8
4.1Connect the LT800H to internet
Please select Wi-Fi or mobile network to enable Internet to allow a connection to your GNSS
RTK Corrections Service provider.
4.2Create aproject
Power on the LT800H: 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.