EFIX CM3 Manuale utente

C M 3 G N S S R e c e i v e r

U s e r G u i d e

Shanghai EFIX Geomatics Co., Ltd

2021-11-10 Release

Preface

The purpose of this book

This article is a user manual for the Shanghai-based CM3 series, which is the instruction

manual.

Introduction to this book

This user guide describes in detail how to install, configure, and use the CM3 series, and the

language style in this article is simple, easy to understand, and the process of describing the

operation is clear and simplistic so that beginners can learn to use all aspects of operation easily,

quickly and accurately。

Experience requirements

In order to make better use of the CM3 series, EFIX suggests that you read this user guide

carefully before using this product. If you do not know much about the principles of the CM3

series, please contact us for technical advice and training.

Exemption of liability

Before using this product, please be sure to read the user guide carefully in order to make

better use of this product.Shanghai EFIX Geomatics Co., Ltd will not be liable for any losses

caused by the failure to act in accordance with the requirements of this article, or to correctly

understand the requirements of this article, but we are committed to continuously improving

product functionality and performance, improving the quality of service, and reserve the right to

change, optimize and improve the contents of the instruction manual, and regularly update the

content in the form of upgrades, so please pay attention to our official website

(www.efix-geo.com) The latest release information.

Technology and services

The message board section has been opened on the website, if you have questions can be

left through the "message board", or directly call the technical consultation phone:400-602-8152,

we will answer your questions in a timely manner.

Relevant information

You can find the manual in the following ways:

1, EFIX GNSS products, the instrument box will be accompanied by a product instruction

manual, convenient for you to operate the instrument.

2, the official website of the login http://www.efix-geo.com, in the "action video" column

can download to watch the video operation instructions.

Your suggestion

If you have any suggestions and comments on this manual, please visit the official website of

the far, in the "message board" section message, your feedback information on the quality of our

manual will be greatly improved.

Preface ..............................................................................................................................................2

The purpose of this book ..................................................................................................................2

Introduction to this book ..................................................................................................................2

Experience requirements..................................................................................................................2

Exemption of liability ........................................................................................................................2

Technology and services....................................................................................................................3

Relevant information ........................................................................................................................3

Your suggestion .................................................................................................................................3

Safety Directions ...............................................................................................................................5

Get started with the CM3 series (quick start). ..................................................................................6

1.1 Connecting the instrument ........................................................................................................6

1.2 Set the base - the external base.................................................................................................6

1.3Set up the rover...........................................................................................................................6

1.4 Create a new project ..................................................................................................................6

1.5 Sitecalibration.............................................................................................................................6

1 Product introduction......................................................................................................................8

1.1 The appearance of the receiver ..........................................................................................8

1.2 Lower shell ..........................................................................................................................8

1.3 The instrument is taken in high quantities..........................................................................9

2 Receiver field work requirements ..................................................................................................9

2.1 FL3 radio settings ..............................................................................................................10

3 PC-side web page Set up receiver instructions ............................................................................12

4 Smart phone-side web page Set up receiver instructions............................................................17

5 Operation and accuracy of static operating mode.......................................................................20

5.1 Static measurement job steps...........................................................................................20

5.2 Static web page parameter settings..................................................................................21

5.3 Data download ..................................................................................................................22

5.4 Static accuracy test............................................................................................................23

6 RTK setup method and tilt measurement....................................................................................24

6.1 CORS login settings............................................................................................................24

6.2 Radio send and receive settings........................................................................................24

6.3 Real-time dynamic RTK accuracy.......................................................................................24

6.4 Tilt measurement initialization method............................................................................24

7 Firmware upgrade method ..........................................................................................................26

7.1 Upgrade via web page.......................................................................................................26

7.2 Upgrade via USB stick........................................................................................................26

7.3 The data line (mnt directory) upgrade ..............................................................................27

Appendix 1 use and precautions....................................................................................................28

Appendix 2 of the main technical indicators.................................................................................29

Get technical support......................................................................................................................31

Safety Directions

The following directions enable the person responsible for the product, and the person who

actually uses the equipment, to anticipate and avoid operational hazards.

The person responsible for the product must ensure that all users understand these

directions and adhere to them.

The product must not be disposed with household waste. Dispose of

the product appropriately in accordance with the national regulations in

force in your country. Always prevent access to the product by

unauthorized personnel.

FCC ID：2A3MU-CM3

FCC Statement, Applicable in U.S.

1) FCC 15.19

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.

2）FCC 15.21

Warning: Changes or modifications to this unit not expressly approved by

the part responsible for compliance could void the user’s authority to

operate the equipment.

3) FCC 15.105

For a Class B digital device or peripheral, the instructions furnished the

user shall include the following or similar statement, placed in a prominent

location in the text of the manual:

Note: 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.

4）FCC RF Exposure

This equipment complies with FCC radiation exposure limits set forth for an

uncontrolled environment.

This equipment should be installed and operated with minimum distance

20cm between the radiator & your body.

Get started with the CM3 series (quick start).

Quick starts with a fixed solution using the CM-Survey software to set up the external station

1-N mode. The previous instrument installation is detailed in Chapter 3 Receiver Field Work

Requirements.

1.1 Connecting the instrument

The CM3 series uses WiFi or Bluetooth to connect instruments.

Connect CM3 Series receivers

When the CM-Survey software is turned on after the host is turned on, click Connect

Instrument to enter the Connect instrument interface and connect the SN number of the CM3

Series receiver using Bluetooth/WiFi (Bluetooth password:1234) , click Connection,

CM-Survey will prompt "Connection succeeded" when the connection is successful.

1.2 Set the base - the external base

Connect to the base, turn on FL3 Radio Search CM3 Bluetooth for a configured connection,

and set to CM3 external work mode.

1.3Set up the rover

Connect the rover, enter the Instrument Settings interface, click on rover, new station

working mode: configuration protocol, channel, Baud rate, save and apply this working mode

successfully, the rover settings are completed.

1.4 Create a new project

Regardless of the job mode, you must first create a new project to manage the data. Enter

Project Management, click New, enter the project name, creator, select the creation time and

time zone, use or create new coordinate system parameters, click OK, that is, complete the new

project.

1.5 Sitecalibration

The first time you go to a measurement area, you need to dositecalibration to match the

known point coordinates.

(1) Enter known point coordinates: Data Management → Point Management→ Add.

(2) Field measurement control points (if the longitude and latitude coordinates of the

control points are known, enter the longitude and latitude coordinates in the Data Management

→Point Management→ Add).

Note: (1) (2) order can be reversed.

(3) Select the coordinate system in the Coordinate System → Coordinate Parameters and

enter the correct central meridian (if there is a projected high input projection height).

(4) Enter the Coordinate System→ the → add, the GNSS point selects the measured

coordinates (or the latitude and longitude of the input), and the known points select the input

plane coordinates (NEH). If both the known point plane and elevation are used, select the

"horizontal and vertical" correction in the usage mode, the Horizontal correction if only plane

coordinates are used, and if only elevation coordinates are used, select the Vertical correction,

and select all control points in turn.

(5) Click on "Calculation" in the "Coordinate System" → "Conversion Parameters" interface,

if the residuals are small, indicating that the correction is qualified, click on "Application" and

select "Yes" in the pop-up prompt.

Note: (1) Known points are best distributed at the edges of the entire job area, for example,

if point correction is done with four points, the measuring job area is best inside the quads

connected to the four points.

(2) Be sure to avoid the linear distribution of elevation control points, for example, if you use

three elevation points for point correction, the triangle composed of these three points should be

as close as possible to the positive triangle, if it is four points, as close as possible to the square,

we must avoid all known points of distribution close to a straight line, which will seriously affect

the accuracy of the measurement.

Once the point correction is complete, you can start measuring/lofting and so on. Only the

first job in the same project requires point correction, and subsequent jobs require only a single

control point base station translation.

Its physical operation can be found in the CM-Survey software operation video, which is

available next Path: http://www.efix-geo.com download in the Action Videos column.

1 Product introduction

1.1 The appearance of the receiver

CM3 Figure:

Detailed description of the indicator

The CM3 indicators above are: differential data indicator, power indicator.

Indicator

Color

Meaning

①Differential

data indicator

Yellow

In base mode, the color is yellow

Yellow

Green

When the mobile station receives the differential data, the

single point or float is yellow

The mobile station receives differential data fixed and green

②Power

Indicator

Red

Red in normal power-on use

Yellow

Yellow in the shutdown and power-on charging state

Detailed description of the button

Button

Meaning

②Power button

Press and hold 3s to shut down or shut down

The shutdown state is charged as a red light constant and as a green light

constant when fully charged

1.2 Lower shell

The lower shell is mainly contained

Type-C interface: you can use the Type-Cdata line to download static data, USB drive upgrade firmware;

TNC interface: connecting rod antennas;

Main nameplate: includes instrument model, SNnumber, PNnumber, etc.

①

②

1.3 The instrument is taken in high quantities

Using the auxiliary height gauge, the bottom of the antenna is selected by means of measurement

2 Receiver field work requirements

Precautions：

1. The distance between the station mode, the base station scaffold and the station whip antenna

scaffold is recommended to > more than3mto avoid interference with satellite signals by radio stations.

2. The reference station should be located in a higher terrain, open field of view, to avoid

high-voltage lines, transformers and other strong magnetic fields, in order to facilitate the transmission of

UHFwireless signals and satellite signal reception, network mode also need to pay attention to the operator

network coverage of hypothetical points.

1. Radio mode, if the mobile station is far away, also need to add a radio antenna lengthener.

2. If the reference station is mounted on a known point, to do a strict alignment.

3. The connection between the power cord and the battery should be red, black and negative to

avoid short circuits.

4. When the station is working, make sure to connect the external antenna, otherwise long hours

will cause the sending signal to be absorbed by the station itself and burn the station.

5. When connecting cables, note the connection of LEMOhead red dots to red dots.

6. Working in GPRSmode,GPRS traffic per hour is around 0.5M-1.5M(related to the number of

satellites and network environment).

The illustration of the installation of the external radio station of the base station is as follows:

Auxiliary Height Gauge

(1) Whip antenna(2)Radio antenna connection base(3)Extend rod(4)aluminum disc

(5) Scaffolding(6)FL3Radio(7) Radio Power Cord(8)Battery

(9) Host(10) Auxiliary Gauge(11)Base

2.1 FL3 radio settings

In external station job mode, use the radio panel to turn on the key to open the station, and use the left and

right switch keys and up and down keys to configure the station.

See FL3 external radio instructions

Note: Each channel corresponds to a unique frequency, which can be set by the remote radio write-up

software.

Transparent

Arbitrarily writable

411.050

465.550

443.000

412.050

467.550

444.000

413.050

469.550

445.000

414.050

451.550

446.000

415.050

445.013

447.000

416.050

445.025

448.000

417.050

445.038

449.000

418.050

445.050

450.000

①

②

③

④

⑤

⑥

⑦

⑨

⑩

错误

①

⑧

⑨

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