TERSUS David User manual

Quick Start Guide
David GNSS Receiver
Rover Kit Network Mode
Rover Kit with 2W Radio
Base Kit Network Mode
Base Kit with 2W Radio
Base Kit with 30W Radio
Version 1.0 – 20190228

David Quick Start Guide v1.0
1
!
Note: Please check each item according to the item list first to
confirm that all the accessories are correct for the purchased
kit.
1.System Structure
David GNSS Receiver can work as a Rover or a Base. According to
different data links (radio or 2G/3G/4G network accessed via
controller) and different types of radio, five kits for David GNSS
Receiver are introduced in this Quick Start Guide.
Rover Kit Network Mode
Rover Kit with 2W Radio
Base Kit Network Mode
Base Kit with 2W Radio
Base Kit with 30W Radio
According to the requirements, set up the system as per the
following pictures.
David Quick Start Video including Nuwa operation is on the official
website: https://www.tersus-gnss.com/video/david-receiver .

David Quick Start Guide v1.0
2
1.1 Rover Kit Network Mode
Figure 1.1 Rover Kit Network Mode
Table 1.1 Devices in Figure 1.1
NO.
Device Name
1
AX3702 GNSS antenna
2
Ranging pole
3
Android device TC20 (not included in the kit)
4
COMM1-Bluetooth module
5
DC-2pin to USB Power Cable
6
Power Bank (not included in the kit)
7
David GNSS receiver
8
Bracket for rover
9
TNC-J to SMA cable 1.5m (GNSS antenna cable)

David Quick Start Guide v1.0
3
1.2 Rover Kit with 2W Radio
Figure 1.2 Rover Kit with 2W Radio
Table 1.2 Devices in Figure 1.2
NO.
Device Name
1
2W/460MHz radio antenna
2
Bracket for 460M antenna
3
TNC-TNC converter
4
TNC-J to TNC-J cable 1m (radio antenna extension cable)
5
Ranging pole
6
Android device TC20 (not included in the kit)
7
COMM2-7pin to USB & 2W-Radio-5pin cable
8
COMM1-Bluetooth module
9
DC-2pin to USB Power Cable
10
Bracket for rover
11
Power Bank (not included in the kit)
12
David GNSS receiver

David Quick Start Guide v1.0
4
13
2W/460MHz radio
14
TNC-J to SMA cable (GNSS antenna cable)
15
AX3702 GNSS antenna
1.3 Base Kit Network Mode
Figure 1.3 Base Kit Network Mode
Table 1.3 Devices in Figure 1.3
NO.
Device Name
1
AX3702 GNSS antenna
2
GNSS antenna connector
3
Android device TC20 (not included in the kit)
4
COMM1-Bluetooth module
5
DC-2pin to USB Power Cable
6
Bracket for base

David Quick Start Guide v1.0
5
7
Power Bank (not included in the kit)
8
David GNSS receiver
9
TNC-J to SMA cable 1.5m (GNSS antenna cable)
1.4 Base Kit with 2W Radio
Figure 1.4 Base Kit with 2W Radio
Table 1.4 Devices in Figure 1.4
NO.
Device Name
1
AX3702 GNSS antenna
2
GNSS antenna connector
3
2W/460MHz radio
4
COMM2-7pin to USB&2W-Radio-5pin cable
5
COMM1-Bluetooth module
6
DC-2pin to Bullet-DC Power Cable
7
David GNSS receiver

David Quick Start Guide v1.0
6
8
Metal plate for radio antenna
9
TNC-J to SMA cable 1.5m (GNSS antenna cable)
10
High Gain Radio Antenna
Note: Bullet-DC connects to ‘Bullet-DC to Alligator Clips’, then clips to
12V power supply.
1.5 Base Kit with 30W Radio
Figure 1.5 Base Kit with 30W Radio
Table 1.5 Devices in Figure 1.5
NO.
Device Name
1
AX3702 GNSS antenna
2
GNSS antenna connector
3
TNC-J to SMA cable 1.5m (GNSS antenna cable)
4
David GNSS receiver
5
30W radio
6
COMM1-Bluetooth module

David Quick Start Guide v1.0
7
7
COMM2-7pin to USB+30W-Radio-5pin cable
8
DC-2pin&30W-Radio-DC-2pin to Bullet-DC
9
DC-2pin&30W-Radio-DC-2pin to Bullet-DC
10
COMM2-7pin to USB+30W-Radio-5pin cable
11
Metal plate for radio antenna
12
High Gain Radio Antenna
Note: Bullet-DC connects to ‘Bullet-DC to Alligator Clips’, then clips to
12V power supply.
2.Configure and Survey
2.1 Create project or open existed project
Launch Nuwa application, click [Project] in the main interface to
create a new project or open an existed project, refer to Figure 2.1
below.
Figure 2.1 Project

David Quick Start Guide v1.0
8
2.2 Connect David
Back to the main interface of Nuwa, click [Device] -> [Connect],
select the corresponding Bluetooth address to pair David, select
AX3702 for the antenna, click [Connect] to complete the device
connection, refer to Figure 2.2 below.
Figure 2.2 Connect David
2.3 Configure Rover or Base
Back to the Device interface, click [Rover] to enter the Work Mode
List, create a new rover, select Network for Data Link, fill up Ntrip or
TCP information as shown in Figure 2.3 or select Radio for Data
Link, select 38400 for Baud Rate as shown in Figure 2.4;

David Quick Start Guide v1.0
9
Figure 2.3 Rover Config – Network
Figure 2.4 Rover Config – Radio
Under the Device interface, click [Base] to enter the Work Mode
List, create a new base, select Network for Data Link, and fill up
Ntrip information as shown in Figure 2.5 or select Radio for Data
Link, select 38400 for Baud Rate as shown in Figure 2.6.
Figure 2.5 Base Config – Network
Figure 2.6 Base Config – Radio
Then click [OK] to complete rover or base configuration. Select this
configuration in the Work Mode List, click [Start] to configure the
rover or the base.

David Quick Start Guide v1.0
10
2.4 Survey Work
Back to the main interface of Nuwa, click [Survey] to enter the
survey interface. Users can do survey work including point survey,
point stakeout, line stakeout and etc.
Figure 2.7 Survey Work

David Quick Start Guide v1.0
11
3.Get More
This Quick Start Guide briefly introduces the installation of five kits
for David GNSS Receiver and the operation of Nuwa app. More
details please refer to User Manual of David and User Manual of
Nuwa app which can be downloaded from Tersus official website:
https://www.tersus-gnss.com/document/david-receiver .
4.Exemption of Liability
Before using this product, please be sure to read the product
manual carefully, which helps you to better use the product. Tersus
is not liable for damages caused by failure to follow the instructions
in the manual.
Tersus is committed to continually improving product features and
performance, and the contents of subsequent product manuals are
subject to change without notice. If the pictures and icons in the
manual are different with actual product, please refer to the actual
product.
5.Technical Support
Thank you for using Tersus products.
If you have any technical questions for the products, please contact
us at [e-mail] or log a ticket in our tracking
system: https://tersus.supportsystem.com/ and we will serve you
promptly.