CHCNAV AlphaAir450 Mobile Mapping User Manual

CHCNAV AlphaAir450
User Manual
V1.0

Mobile Mapping
Feb 2021
Make your work more efficient

Reading Tips

1.1 Symbol Description

Forbid
Warning
Important note
Operate & Using tips

1.2 Recommendations
CHCNAV provides the below documents for users:

• Product configuration list
• AlphaAir 450 mobile mapping system user manual

It is recommended for users to read the above documents before the first time using them.

1.3 Service & Support
CHCNAV website: www.chcnay.com
Service-Hotline: 400-620-6818
WeChat public:

http://weixin.qq.com/r/10ORiVDELQ1SrRTq9xbF

1.4 Disclaimer

• The customer should use and maintain the equipment in accordance with the requirements of the manual. If the service life of the equipment is affected due to improper use or maintenance, even broken, CHCNAV will not bear the relevant responsibility. All repairs and maintenance services resulting from this will be charged at standard prices.
• The customer should provide a stable vehicle roof rack in accordance with the requirements of the technical indicators. If the equipment is broken or damaged due to 3rd brand’s reason, CHCNAV will not bear the relevant responsibility.
• During transportation, if the equipment is damaged due to improper logistics operation, CHCNAV will not bear the relevant responsibility.
• During equipment using time, if the customer disassembles and assembles the equipment without CHCNAV’s suggestions & permission, and resulting in damage, CHCNAV will not bear the relevant responsibility.
• Customer should use default batteries and accessories. If use non-dedicated batteries, the charger may cause unexpected situations like explosions, fires, etc. The use of non-original accessories is not eligible for warranty; if occur accident, the manufacturer will not bear the corresponding responsibility.

Using Requirements

2.1 Using Environment

• It is not recommended to use in rainy, snowy, or foggy weather for safety. Also the point cloud data will have more noise.
• It is not recommended to frequently use in dusty environment, which will affect the service life of equipment.
• It is forbidden to expose the device and accessories under extreme temperature. The environment temperature must not be lower or higher than the specification temperature.
• When the equipment is transferred from a cold environment to a warm environment, water may condense on certain components inside the scanner. To avoid this, it is recommended to place the scanner in a sealed plastic bag before transferring. When the condensate is evaporated, then turn on the plastic bag.

2.2 Tips Before Using

• Check whether the laser glass is normal, if there is dust exist, please use the cleaning kit to clean it.
• Check whether the ports are clean and whether the pins are normal.
• Check whether the connecting cables are reliable and stable and whether the G PS cable is stable and normal.
• Check whether the remote controller has sufficient power.

2.3 Tips During Using

• When using, make sure all cables and ports are connected correctly.
• After powered on, check whether the connection between the remote controller and equipment is normal and whether the status of tracking satellite and board is normal (the “A” icon in the CHCHAV logo on the upper left side of the controller will display orange which indicates the connection is normal, otherwise, the communication is abnormal if always show gray).
• Place equipment at an open sky area with a good GPS signal during powered on.
• If the buzzer sounds abnormally during the capture process, please check immediately whether the equipment status is normal.
• Before starting work, check the remaining capacity of the scanner memory card. If the remaining capacity is less than 10% or does not meet the current collection capacity requirements, the laser data file needs to be deleted in advance.
• Before starting work, please check whether the controller’s laser parameter settings are correct. If not correct, please reset it again according to the project requirements.

2.4 Tips After Using

• After use, unplug the cable first, then place the equipment into the equipment case and accessories into the accessory case.
• During transportation, take care of the equipment and try to avoid bumps.

Product Description

3.1 Equipment List
AlphaAir 450 mobile mapping system configuration list is shown below:

Serial number

| Classification| Name| Model|

Number

---|---|---|---|---
1| AlphaAir 450| LiDAR system| AlphaAir 450| 1
2| Standard Accessories| Type-c to USB3.1 Data cable| | 1
3| SG USB flash| | 1
4| Clean suits| | 1
5| Transport container| | 1
6| Standard Capture & Preprocessing **Software| Converter| | 1
7| CopyDataTool| | 1
S| POS SW| | 1
9| capture license| | 1
10| CoPre license| | 1
11| M300 Standard Accessories| 2.5mm cross screwdriver| | 1
12| M300 antenna mount| | 1
13| bayonet mount adapter| | 1**

3.2 Product Introduction
AlphaAir 450 pocket lidar measurement system, the whole device is based on the lightweight and high integration design concept carried on the BB4 or 3rd party UAV like DJI M300, can obtain longer endurance. As an emerging means of 3D data acquisition, it can quickly acquire terrain surface data, ground features, power line information, etc., which can realize high-precision 3D terrain data and high-density 3D data acquisition of transmission lines. In addition, based on the image acquisition by the built-in camera, DOM, DSM, true color point cloud and other results can be generated, and road sections, power lines, vegetation, and other results can be automatically extracted for analysis, and inspection report can be output.

The product diagrams are shown below:

3.3 Equipment Size

• Weight: 1.0 kg
• Length, width, and height are shown below:

3.4 Electrical Characteristics

3.5 Airborne Platform
3.5.1 Airborne install steps:

• Press the Skyport unlock button to remove the protective cover.

• Align the white dot on the AA450 Skyport interface with the red dot on the M300 interface and embed it in the installation location.

• Rotate the AA450 SkyPort interface to the locked position (red dots align red dots) to be fixed.
  

• Rotate the GNSS antenna clockwise to the antenna bracket and tighten it. Connect the other end of the GNSS feeder to the GNSS interface of the AA450.

3.5.2 Airborne disassemble steps

• Take out the GNSS feeder from the AA450 GNSS interface, rotate the GNSS antenna counterclockwise and take it out from the antenna fixing bracket.
• Hold the bottom of the AA450 with your left hand, press the Skyport unlock button with your right hand, and remove the device by turning the quick-release connector clockwise.

Product Using

4.1 Advance Preparation

• Take out the equipment from the container before using it. Install it on the corresponding platform and connect all cables. Meanwhile, set up the base station at an open sky area. Turn on the equipment after the base station starts recording static.
• Before data collection, it is necessary to check the remaining capacity of Alpha_LAS and Alpha_CAM memory cards. If the remaining capacity is less than 10% or does not meet the demand of the current collection capacity, the data in the card should be deleted in advance.

4.2 Equipment Installation.

• First, install the equipment on the platform and lock it with screws. Remember to remove the camera protective cover.
• Connect both power supply cable and G PS feeder cable of equipment and start power on.
• Put the equipment in an open sky area and turn on LiDAR &remote controller. Check whether the controller and equipment status is normal.

Data Acquisition

5.1 LiDAR Power On

• Before power on, check all cables are connected correctly and the power supply is normal.
• M300 Power On Short press the power button, then long-press it within 3 seconds to power on the M300. The indicator light is always on after power on.
• LiDAR Power On Short press the device’s “ON/OFF key”, the indicator lights up, and the buzzer sounds, the indicator light flashes which means the lidar is powered on successfully.
• Device initialization: About two minutes after lidar is powered on, the indicator light is normal on which means device initialization successfully completed!
• Start project: After successfully initializing the device, short press the device’s “ON/OFF key”, the indicator status changed from normal on to flash. After standing still for 4 minutes, the device automatically enters the acquisition state, at this time, both the laser and the camera start to work.
• Stop project: When the collection is over, short press the device’s “ON/OFF key”, the laser and camera will stop working. Long press the “ON/OFF key” after standing still for 4 minutes, the device will stop the project.

LiDAR Turn Off

• Before turning off equipment, please make sure the project is already stopped.
• Long press the “ON/OFF key” to turn off equipment.

Data Copy

7.1 Manually copy
Connect the device to the computer with a type-c USB data cable, the computer will pop up two SD cards ALPHA LAS and ALPHA_CAM.

Open ALPHA_LAS, the folder is named by the date of collection.

xxxxxx_I.imr, IMU data.
xxxxxx_S.TXT, synchronizes data.
xxxxxx_T.gps,GNSS data.
xxxxxx _Lly, laser data.
Open ALPHA_CAM, the images are stored in DCIM folders, each containing 4.000 photos.
Important note : You can’t format the ALPHA_CAM.

7.2 Automatically copy
Connect the device to the computer with a type-c USB data cable, the computer will pop up two SD cards ALPHA LAS and ALPHA_CAM.

Double-click to open Copy Data Tool.exe, Enter the following interface:

The left column is POS data, and the right column is selected data to be copied.
Check the POS data to be copied, Then create the directory and select the copy path. At this time, the directory bar will automatically display the selected path and automatically create the project file according to the POS time (multiple groups of data can be copied at the same time).
Click the data into an icon, and the selected data name will be moved to the right bar. Then click copy, and the software will automatically find the laser data according to the POS time. The data will be automatically copied to the selected path.

Important note:

After the data copy is completed, please eject the ALPHA_CAM and ALPHA_LAS, and then pull out the type-c to the USB data cable. Please format the ALPHA_CAM regularly by clicking the “Format” button. Please clear the ALPHA LAS regularly by clicking the “Clear” button.

7.3 data structure

• BASE: Store base data.
• ROVER: Store GPS and IMU data.
• SYNC: Store log and TRIG data.
• IMG: Store pictures.
• SCAN: Store raw data of laser scanner.
• TRACE: Store trace data.

Frequently Asked Questions

Tips: Common abnormalities and causes.

• Equipment can not power on or power off normally: Check whether the power supply and connect port are normal. If still can not power on or power off, please contact the CHCNAV Support team for repair.
• Equipment can not be timed or need a long time: Check whether the GPS feeder cable connection is stable.
• Alpha_las memory card insufficient capacity: When the Alpha_LAS memory card is below 10G, the device will not pass initialization.
• The camera can’t take photos: a 1pha_ca m memory card is full and cannot store photos.

Matters Need Attention

9.1 Important Notes
LiDAR measure system is a complex and precise survey system. In daily carrying, using, and storing, please operate equipment correctly and maintained properly. There are some important notes listed below:

• Do not disassemble equipment privately. If equipment has an issue, please contact the CHCNAV Support team.
• Please use the default battery and accessories. Using a non-dedicated battery may cause the charger to explode or burn. The use of non-original accessories is not eligible for warranty.
• When using a charger for charging, please keep away from fire, flammable or explosive materials to avoid serious consequences such as fire.
• Do not dispose of waste batteries at will. Please follow local laws or standards.
• Strictly follow this manual to connect all cables. Make sure each connector plugs tightly, and the power switch should be turned on in order. It is forbidden to plug and unplug each connection without cutting off the power supply. Do not continue using any broken cables. Please purchase and replace new cables in time to avoid unnecessary damage.
• Avoid any strong impact or vibration.
• Use an umbrella or tarpaulin to prevent water inside.
• After the equipment is used, move it to the container quickly and make sure the container inside is dry.
• If need to continue using the instrument for a long period of time or under special conditions such as a high humidity environment, please consult the relevant precautions of the CHCNAV Support team in advance. Generally, the damage that occurred under a special environment is not covered by the product warranty.

9.2 Product Transportation

• CHCNAV Alpha Uni product equipped special container. During transportation, make sure the container is fixed at a stable location.
• During transportation, please tell the relative person that this is a precise system container and it needs to be handled gently. Also with a fragile label on the container.
• If the equipment is sent by express service, the container needs an outer box with foam inside also for safety.
• The equipment should be used and kept by designated personnel and it is not allowed to borrow from others without permission.

9.3 Using Tips

• The equipment should be handled gently during use to avoid soiling and scratching its surface, and it is strictly forbidden for surveyors or others to sit on the container.
• After the external test or operation, the surface of equipment should be cleaned regularly by providing clean suits (3-5 days), and check whether the structural screws and plugs are loose and whether the peripheral cables are loose.
• After a long time of storage in-store, it needs to be taken out regularly (about one month) for the power-on test to check whether the function is normal.
• The limitation of environment temperature is between -10 t ” + 40 ‘0, the humidity limitation is <80% RH, and no condensation.
• During the assembly and testing phases, the equipment should be placed on a cabinet or a special shelf and covered with a dustproof cloth. The laser head should be protected with a dustproof cover.
• If the equipment is disassembled or loosened, it should be re-calibrated.
• When it is difficult to rotate any rotating parts of the equipment, please do not forcibly rotate. After the equipment is damaged, please do not continue using it, otherwise, the damage of the equipment will increase. Do not disassemble equipment in the field.
• If faced rain or snow in the field during work, please move the equipment into the container quickly. Do not work in the cold environment with a low temperature in winter, in case to prevent condensation of water vapor on the optical lens and inside the instrument
• The single-camera memory card cannot be formatted, and the internal folders cannot be deleted except photos, otherwise, there will be a phenomenon that the photos cannot betoken.

9.4 Storage Tips

• When the equipment is not used, the battery must be removed and handled gently to avoid bumps. The battery can not be inverted.
• The equipment should be placed in a dry area in-store. Try to avoid long-term stacking and placing
• The room where the equipment is stored should be clean, dry, bright, and well ventilated. It should be placed flat or upright, and it should not be leaned casually to prevent distortion.

CHC Navigation
Building D, NO. 599 Gaojing Road, Qingpu District, 201702 Shanghai, China
Tel: +86 21 542 60 273 I Fax: +86 21 649 50 963
Email: sales@chcnay.com I support@chcnay.com S
kype: chcnav_support
Website: www.chcnay.com

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Caution: Any changes or modifications to this device not explicitly approved by the manufacturer could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. 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.
The device has been evaluated to meet general RF exposure requirements. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator & your body.

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