vigram viDoc User manual

viDoc® Product Manual v7
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Content:
1 FCC Statements
1.1 FCC Statement (Applicable in U.S.)
1.2 ISED Statements (EN/FR) (Applicable in Canada)
1.3 FCC Radiation Exposure Statement
1.4 FCC Declaration of Conformity
1.5 RTTE Compliance statements
2 Safety Information
2.1 Regulations and Safety
2.2 Use and Maintenance
2.3 Type Approval
2.4 Operation in the Vicinity of other Radio Equipment
2.5 Exposure to High Frequency Radiation
2.6 Installing the Antenna
2.7 LiPo Battery Safety
2.8 Limitation of Use
2.9 Forbidden Use
3 viDoc® Product Description
3.1 Introduction
3.2 viDoc® GNSS Features
3.3 Related Information
3.4 Technical Support
3.5 Installation Guidelines
3.6 Disposal of the Unit and/or LiPo
3.7 Using the GNSS Antenna and Mounting it
3.8 Working with a Surveyor's Rod or Tripod
3.9 Configure and Apply
3.10 Switch Functions
3.11 Connect to the End Device (smartphone/tablet)
3.11.1 Data Logs
3.11.2 Standard Configuration
3.11.3 Firmware Innovations
3.11.4 Problem Handling
3.11.5 Protocols
3.12 viDoc® Laser Rangefinder Features
3.12.1 Connecting the Laser
3.12.2 Calibration of the laser
3.12.3 Using the Laser
3.13 Problem Solving
3.14 Measuring Accuracy
4 Technical data
4.1 Four-star full-frequency four-arm helical antenna 36dB
4.2 Four-star full-frequency four-arm helical antenna 40dB
4.3 Frontlaser
4.4 Bottomlaser
4.5 Bluetooth Modul MS50SFB

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1.FCC Statements
1.1 FCC Statement (Applicable in U.S.)
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.
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.
1.2 ISED Statements (EN/FR) (Applicable in Canada)
WARNING: This Class (B) digital apparatus complies with Canadian ICES-003. Cet appareil
numérique de la classe (B) est conforme à la norme NMB-003 du Canada.
Canada Compliance Statement
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation,
Science and Economic Development Canada’s licenceexempt RSS(s). Operation is subject to the
following two conditions:
1. This device may not cause interference.
2. This device must accept any interference, including interference that may cause
undesired operation of the device.
Canada Déclaration de Conformité
L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR
d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio
exempts de licence. L’exploitation est autorisée aux deux conditions suivantes:
1. L’appareil ne doit pas produire de brouillage;
2. L’appareil doit accepter tout brouillage radioélectrique subi,
même si le brouillage est susceptible d’en compromettre le fonctionnement.

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Identification of Equipment viDoc for Smartphone
ID Label & Part 15 Label
Contains FCC ID: 2A28B324001
Contains IC: 27729-324001
Contains FCC ID: 2A28B324001
Contains IC: 27729-324001

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Identification of Equipment viDoc for Tablet
ID Label & Part 15 Label
Contains FCC ID: 2A28B324003
Contains IC: 27729-324003
Contains FCC ID: 2A28B324001
Contains IC: 27729-324001

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1.3 FCC Radiation Exposure Statement
The radiated rf output power of the instrument is below the FCC radio frequency exposure limits
for portable devices according to KDB447498.
Canada
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital
apparatus as set out in the radio interference regulations of the Canadian Department of
Communications. This Category II radiocommunication device complies with Industry Canada
Standard RSS-310.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de Classe B prescrites dans le règlement sur le brouillage
radioélectrique édicté par le Ministère des Communications du Canada. Ce dispositif de
radiocommunication de catégorie II respecte la norme CNR-310 d’Industrie Canada.
Europe
This product has been tested and found to comply with the essential
requirements for a Class B device pursuant to European Council Directive
1999/5/EC on R&TTE on EMC, thereby satisfying the requirements for CE
Marking and sale within the European Economic Area (EEA). These requirements are designed to
provide reasonable protection against harmful interference when the equipment is operated in a
residential or commercial environment.

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Australia and New Zealand
This product conforms with the regulatory requirements of the Australian
Communications and Media Authority (ACMA) EMC framework, thus satisfying the
requirements for RCM marking and sale within Australia and New Zealand.
Taiwan – Battery Recycling Requirements
The product contains a removable Lithium-ion battery. Taiwanese regulations require that waste
batteries are recycled.
廢電池請回收
Waste Electrical and Electronic Equipment (WEEE)
For product recycling instructions and more information, please go to www.vigram.com
Recycling in Europe:
To recycle vigram WEEE (Waste Electrical and Electronic Equipment, products that run on
electrical power.), Call [phone], and ask for the
“WEEE Associate”. Or, mail a request for recycling instructions to:
vigram GmbH
Jechtinger Strasse 21
D 79111 Freiburg
Germany
[phone]
1.4 FCC Declaration of Conformity
Pix4D Inc
1615 Platte St, 3rd Floor
Denver, CO 80202
United States
[phone]
Declare under sole responsibility that DoC products comply with Part 15 of 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

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1.4 RTTE Compliance statements
Czech
vigram GmbH tímto prohlašuje, že tento (viDoc® GNSS přijímač) je ve shodě se základními
požadavky a dalšími příslušnými ustanoveními směrnice 1999/5/ES.
Danish
Undertegnede vigram GmbH erklærer herved, at følgende udstyr (viDoc® GNSS modtager)
overholder de væsentlige krav og øvrige relevante krav i direktiv 1999/5/EF.
Dutch
Hierbij verklaart vigram GmbH dat het toestel (viDoc® GNSS ontvanger) in overeenstemming is
met de essentiële eisen en de andere relevante bepalingen van richtlijn 1999/5/EG.
English
Hereby, vigram GmbH, declares that this equipment (viDoc® GNSS receiver) is in compliance with
the essential requirements and other relevant provisions of Directive 1999/5/EC.
Estonian
Käesolevaga kinnitab vigram GmbH seadme (viDoc® GNSS vastuvõtja) vastavust direktiivi
1999/5/EÜ põhinõuetele ja nimetatud direktiivist tulenevatele teistele asjakohastele sätetele.
German
Hiermit erklärt vigram GmbH, dass sich das Gerät (viDoc®-GNSS-Empfänger) in Übereinstimmung
mit den grundlegenden Anforderungen und den übrigen einschlägigen Bestimmungen der
Richtlinie 1999/5/EG befindet.
Greek
ΜΕ ΤΗΝ ΠΑΡΟΥΣΑ vigram GmbH ΔΗΛΩΝΕΙ ΟΤΙ (viDoc® GNSS δέκτη) ΣΥΜΜΟΡΦΩΝΕΤΑΙ
ΠΡΟΣ ΤΙΣ ΟΥΣΙΩΔΕΙΣ ΑΠΑΙΤΗΣΕΙΣ ΚΑΙ ΤΙΣ ΛΟΙΠΕΣ ΣΧΕΤΙΚΕΣ ΔΙΑΤΑΞΕΙΣ ΤΗΣ ΟΔΗΓΙΑΣ
1999/5/ΕΚ.
Hungarian
Alulírott, vigram GmbH nyilatkozom, hogy a (viDoc® GNSS vevő) megfelel a vonatkozó alapvetõ
követelményeknek és az 1999/5/EC irányelv egyéb elõírásainak.
Finnish
vigram GmbH vakuuttaa täten että (viDoc® GNSS-vastaanotin) tyyppinen laite on direktiivin
1999/5/EY oleellisten vaatimusten ja sitä koskevien direktiivin muiden ehtojen mukainen.
French
Par la présente vigram GmbH déclare que l'appareil (viDoc® récepteur GNSS) est conforme aux
exigences essentielles et aux autres dispositions pertinentes de la directive 1999/5/CE.
Icelandic
Hér með lýsir vigram GmbH yfir því að (viDoc® GNSS móttakari) er í samræmi við grunnkröfur og
aðrar kröfur, sem gerðar eru í tilskipun 1999/5/EC.
Italian
Con la presente vigram GmbH dichiara che questo (Ricevitore viDoc® GNSS) è conforme ai
requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999/5/CE.
Latvian
Ar šo vigram GmbH deklarē, ka (viDoc® GNSS uztvērējs) atbilst Direktīvas 1999/5/EK būtiskajām
prasībām un citiem ar to saistītajiem noteikumiem.

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Lithuanian
Šiuo vigram GmbH deklaruoja, kad šis (viDoc® GNSS imtuvas) atitinka esminius reikalavimus ir
kitas 1999/5/EB Direktyvos nuostatas.
Maltese
Hawnhekk, vigram GmbH, jiddikjara li dan (viDoc® GNSS riċevitur) jikkonforma mal-ħtiġijiet
essenzjali u ma provvedimenti oħrajn relevanti li hemm fid-Dirrettiva 1999/5/EC.
Norwegian
vigram GmbH erklærer herved at utstyret (viDoc® GNSS-mottaker) i samsvar med de
grunnleggende krav og øvrige relevante krav i direktiv 1999/5/EF.
Polish
Niniejszym vigram GmbH oświadcza, że (Odbiornik viDoc® GNSS jest zgodny z zasadniczymi
wymogami oraz pozostałymi stosownymi postanowieniami Dyrektywy 1999/5/EC.
Portuguese
vigram GmbH declara que este (Receptor GNSS viDoc®) está conforme com os requisitos
essenciais e outras disposições da Directiva 1999/5/CE.
Slovak
vigram GmbH týmto vyhlasuje, že (Prijímač viDoc® GNSS) spĺňa základné požiadavky a všetky
príslušné ustanovenia Smernice 1999/5/ES.
Slovenian
vigram GmbH izjavlja, da je ta (Sprejemnik viDoc® GNSS) skladu z bistvenimi zahtevami in ostalimi
relevantnimi določili direktive 1999/5/ES.
Spanish
Por medio de la presente vigram GmbH declara que el (viDoc® GNSS receptor) cumple con los
requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva
1999/5/CE.
Swedish
Härmed intygar vigram GmbH att denna (viDoc® GNSS-mottagare) står I överensstämmelse med
de väsentliga egenskapskrav och övriga relevanta bestämmelser som framgår av direktiv
1999/5/EG.
The vigram viDoc® GNSS receiver integrates the Advanced nRF52832 Module MS50SFB
Bluetooth radio module
Model: MS50SFB, FCC ID: 2ABU6-MS50SFB, IC: 20896-MS50SFB, TELEC: 208-190043

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2.Safety Information
Before using the vigram® product, make sure you have read and understood all the relevant
information.
WARNING - This warning warns of a potential hazard which, if not avoided, could result in serious
injury or even death.
CAUTION: This warning alerts you to a possible hazard or unsafe practice that could result in
minor personal injury or property damage, or irrecoverable loss of data.
NOTE - The absence of specific warnings does not mean that there are no safety risks.
2.1 Regulations and Safety
The units contain integrated Bluetooth® radio technology and can also send radio signals via the
antenna of an internal radio modem or via an externally connected data communication radio (also
smartphone). The regulations for using the 450 MHz radio modems vary greatly from country to
country. In some countries, the machine can be used without an end-user license. For licensing
information, contact your local regional distributor. Bluetooth operates in license-free bands.
WARNING - Electromagnetic radiation can cause interference in other equipment, in installations
(e.g. medical equipment such as space travel or hearing aids) and in aircraft. It may also affect
humans and animals.
Precautions:
Although this product complies with the strictest standards and regulations, the possibility
of harm to humans and animals cannot be completely excluded. Do not use the product near petrol
stations, chemical factories, in areas with potentially explosive atmospheres and where blasting
occurs.
Do not use the product near medical equipment.
Do not use the product in aircraft.
Do not use the product near your body for a long period of time.
2.2 Use and Maintenance
This product is designed to withstand the rough handling and harsh environment typically
encountered in construction applications. However, the receiver is a high-precision electronic
instrument and should be handled with reasonable care. Dropping it even from low heights may
cause slight damage to the housing, antenna or electronics.
CAUTION - Operating or storing the receiver outside the specified temperature range may damage
it. Do not leave the unit unattended in the blazing sun or pouring rain.

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2.3 Type Approval
Type approval or acceptance covers technical parameters of the equipment with regard to
emissions that may cause interference. Type approval is granted to the manufacturer of the
transmission equipment, regardless of the operation or approval of the equipment. Some countries
have specific technical requirements for operation, in particular modem frequency bands. To meet
these requirements, vigram may have modified your equipment to obtain type approval.
Unauthorized modifications to the equipment will invalidate the type approval, the warranty and the
operating license of the equipment.
2.4 Operation in the Vicinity of other Radio Equipment
When operating the receiver in member states of the European Union and in other countries
complying with EU R&TTE requirements, in the vicinity of air navigation equipment operating
between 2700 and 2900 MHz or fixed, fixed satellites (space to earth) or for mobile systems
operating at 4170 MHz, a minimum distance of 10 meters must be maintained between the receiver
and such radio equipment.
2.5 Exposure to High Frequency Radiation
2.5.1 For Bluetooth radio
The radiated output power of the internal Bluetooth radio is below the FCC radio
frequency exposure limits.The internal wireless radio(s) operate within the guidelines of radio
frequency safety standards and recommendations that reflect the consensus of the scientific
community. Vigram therefore believes that the internal wireless radios are safe for consumer use.
The energy emitted is far less than the electromagnetic energy emitted by wireless devices such
as mobile phones. However, the use of wireless radios may be restricted in some situations or
environments, such as aircraft. If you are unsure of the restrictions, you should request
authorization before switching on the wireless radio.
2.6 Installing the Antenna
CAUTION - For your own safety and in view of the FCC's RF exposure requirements,
always observe these precautions:
•Do not place the antenna together with other transmitting devices.
This unit is designed to operate with the antennas listed below and has a maximum gain of 4 dBi.
Antennas that are not included in this list or have a gain greater than 4 dBi are strictly prohibited
for use with this unit. The required antenna impedance is 50 ohms.
To reduce possible radio interference to other users, the antenna type and its gain should be
selected so that the equivalent isotropically radiated power (EIRP) is not higher than that allowed
for successful communication.
Approved external antennas: Four-Arm Helix Antenna Type JCH/SY.

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2.7 LiPo Battery Safety
WARNING- Only charge and use the rechargeable lithium-ion battery in accordance with the
instructions. Charging or using the battery in unauthorized equipment may cause an explosion or
fire and result in injury and/or equipment damage. To avoid injury or damage:
• Do not charge or use the battery if it appears to be damaged or leaking.
• Only charge lithium-ion batteries using simple smartphone USB chargers or another
charger specified for that battery.
• Discontinue charging a battery that emits extreme heat or a burning odor.
WARNING - Do not damage the rechargeable lithium-ion battery. A damaged battery can cause
an explosion or fire and result in personal injury and/or property damage.
To avoid injury or damage:
• Do not use or charge the battery if it appears to be damaged. Signs of damage
include discoloration, deformation and leaking battery fluid.
• Do not expose the battery to fire, high temperatures or direct sunlight.
• Do not immerse the unit in water.
• Do not use or store the battery in a vehicle in hot weather.
• Do not drop or puncture the battery and the unit.
• Do not open the battery or short-circuit its contacts.
WARNING - Avoid contact with the rechargeable lithium-ion battery if it appears to be leaking.
Battery fluid is corrosive and contact with it can cause injury and/or property damage.
To avoid injury or damage:
• If the battery leaks, avoid contact with the battery fluid.
• If battery fluid gets into your eyes, rinse your eyes immediately with clean water
and seek medical attention. Do not rub your eyes!
• If battery fluid gets on your skin or clothing, wash off the battery fluid immediately
with clean water.
2.8 Limitation of Use
See the Technical Data section. The unit is intended for indoor and outdoor use. Do not use the
product in potentially explosive atmospheres or in aggressive environments. The unit does not have
IP certification.
WARNING - Watch out for false readings if the unit is defective, has been dropped or has been
misused or modified. Carry out regular test measurements. Especially after the unit has been
subjected to abnormal use and before, during and after important measurements.
CAUTION - Never attempt to repair the product yourself. In case of damage, contact a local dealer.
WARNING - Changes or modifications not expressly approved could void the user´s authority to
operate the equipment.

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2.9 Forbidden Use
• Using the product without instructions.
• Use outside the stated limits.
• Deactivation of safety systems and removal of information and danger signs.
• Opening the unit with tools (screwdriver, etc.).
• Use of accessories from other manufacturers without explicit permission.
• Carry out modification or conversion of the product.
• Deliberate blinding of third parties; also in the dark.
• Insufficient safety precautions during surveying (e.g. when measuring on roads,
construction sites, etc.).
• Deliberate or irresponsible behavior on scaffolding, when using ladders, when measuring
near running machines or near machine parts or unprotected equipment.
• Aiming directly at the sun.

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3. viDoc® Product Description
3.1 Introduction
This manual describes how to set up and use a viDoc® GNSS Multi-Measurement Tool.
Even if you have used other Global Navigation Satellite System (GNSS) products or laser
rangefinders, vigram® recommends that you take the time to read this manual to learn about the
special features of your product. If you are not familiar with GNSS or laser rangefinders, visit our
website for an interactive look at vigram® and viDoc® at www.vigram.com.
The viDoc® GNSS Multi-Measurement Tool (GMMT) includes a GNSS antenna, receiver,
Bluetooth® radio technology, 2 laser rangefinders that can be used as a rover or for
photogrammetry, and two batteries in a rugged, lightweight aluminum unit.
The LED allows you to monitor the radio reception and the power supply. Bluetooth wireless
technology enables wireless communication between the receiver and the controllers
(smartphones/tablets).
The viDoc® does not have the option of changing settings via key combinations.
To configure the receiver, a hardware-related configuration with the help of a PC/laptop is required.
The connection between viDoc® and the matching end device is made via an adjustment device
(tablet) or a licensed quick-connect (SP Connect - Austria (smartphone) - additional accessories
required.
3.2. viDoc® GNSS Features
• 10 mm +1 ppm RMS horizontal and vertical precision when using RTK corrections.
• Supported by version 2021-1.2 and higher of the vigram® SDK.
• Ready for many NTRIP services. Subscription required.
• Small, lightweight design - receiver only at 242g/484g (USB power cable included)
• Fully functional, ready to use, with multi-frequency GNSS tracking (GPS, GLONASS,
BeiDou and Galileo).
• 2-separate and independent lithium-ion batteries provide more than four hours of GNSS
rover operation per charge.
• Bluetooth wireless technology for wireless, hassle-free operation with various
smartphones/tablets with SDK supporting apps such. as: vigram viDoc or similar
(available in the app store).
• Power button with LED display for power and battery indicator.
• Bluetooth integrated.

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3.3. Related Information
Sources of related information include the following:
• Release Notes - The release notes describe new features of the product, information not
included in the manuals and any changes to the manuals. They can be downloaded from
the vigram® website.
• Vigram training courses - Consider a training course to help you get the most out of your
GNSS system. For more information, visit the vigram® website.
3.4 Technical Support
In case of problems with the hardware and a case of damage, you can get help at
https://vigram.zendesk.com/hc/de/categories/360003048920-viDoc
3.5. Installation Guidelines
Mind the following guidelines when using the appliance:
When operating the receiver in member states of the European Union and in other countries
complying with EU R&TTE requirements, in the vicinity of aeronautical radionavigation equipment
operating between 2700 and 2900 MHz, or fixed satellites (space to earth), or for mobile systems
operating at 4170 MHz, a minimum distance of 5 meters must be maintained between the receiver
and such radio equipment.
Place the GNSS antenna in a location with a clear view of the sky in all directions. Do not place the
antenna near vertical obstructions such as buildings, deep cuts, construction vehicles, towers or
tree tops.
GNSS rover and base station receive the same satellite signals from the same satellites. The
system requires five common satellites to provide RTK positioning.
GNSS satellites are constantly on the move. Because you can't measure at a particular location
now doesn't mean you can't measure there later when satellite coverage at the location improves.
Use the GNSS apps daily to determine the best and worst satellite reception times for your location
and then select measurement times that match the optimal GNSS performance. This is especially
important if you are working in the worst GNSS locations.
To obtain a fixed position solution with centimeter accuracy, initialize the RTK rover receiver. For
initialization to take place, the receiver must be tracking at least five satellites that the base station
is also tracking. For multi-satellite constellation operation, for example GPS, Galileo, Beidou and
GLONASS, the receiver must track at least six satellites. In order to continue to measure with
centimeter accuracy, the rover must continuously track at least four satellites, which the base
station also tracks. The radio link between the base station and the rover receiver must also be
maintained.
Loss of satellite signals results in a loss of position accuracy in the centimeter range.

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The housing is not waterproof, so avoid high humidity.
Avoid extreme environmental conditions when operating the unit, including:
•Water also condensing
•Heat above 35 °C
•Cold below -5 °C
•Corrosive liquids and gases
Avoid the following sources of electrical and magnetic noise:
•Petrol engines (spark plugs).
•Televisions and PC monitors.
•Alternators and generators.
•Electric motors.
•Devices with DC/AC converters.
•Fluorescent lights.
•Switching power supplies.
CAUTION - The viDoc®-GMMT is not suitable for operation on the vehicle where it is subject to
strong vibrations, i.e. operation on uneven terrain. Use in these conditions may damage
the receiver.
WARNING - This unit uses a rechargeable lithium-ion battery. To avoid personal injury or
property damage, make sure you have read and understood the safety information at the
beginning of this manual.
WARNING - Only charge and use the rechargeable lithium-ion battery according to the instructions.
Charging or using the battery in unauthorized equipment may cause an explosion or fire and result
in injury and/or equipment damage.
To avoid injury or damage:
-Do not charge or use the battery if it appears to be damaged or leaking.
-Stop charging a battery that gives off extreme heat or a burning smell.
For CAUTION - Do not damage the rechargeable lithium-ion battery. A damaged battery can cause
an explosion or fire and result in personal injury and/or property damage.
•Do not use or charge the battery if it appears to be damaged. Signs of damage include
discoloration, deformation and leaking battery fluid.
•Do not expose the battery to fire, high temperatures or direct sunlight.
•Do not immerse the battery in water.
•Do not use or store the battery in a vehicle in hot weather.
•Do not drop or puncture the battery.
•Do not open the battery or the device and do not short-circuit its contacts -> Contact
support immediately!

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WARNING - Avoid contact with the rechargeable lithium-ion battery if it appears to be leaking.
Battery fluid is corrosive and can cause injury and/or property damage:
1. If the battery leaks, avoid contact with the battery fluid.
2. If battery fluid gets into your eyes, rinse your eyes immediately with clean water and seek
medical attention. Do not rub your eyes!
3. If battery fluid gets on your skin or clothing, wash off the battery fluid immediately with
clean water.
A battery that has reached the deep discharge state cannot be recharged and must be replaced.
The following recommendations will ensure optimum performance and extend the life of your
batteries:
1. Fully charge all new batteries before use.
2. Do not allow the batteries to discharge below 5 V.
3. Keep all batteries charged continuously when not in use.
4. If you need to store the batteries, fully charge them before storage and then charge them
at least every three months.
5. The battery is supplied partially charged. Fully charge the battery before using it for the
first time.
• To charge the battery, only use a charger that is suitable for charging the lithium-ion
battery.
• If the unit has been stored for more than three months, charge the battery before
using the receiver.
To charge the battery:
• Make sure the ventilation slots on the back and bottom of the unit (viDoc®) are clear.
• To power the charger, use the supplied cable.
• Plug the supplied cable (USB-C into the viDoc®). For an explanation of the LED, see
LED status indicator below.
• Charging takes approx. 3 hours per battery at room temperature.
LED Status Indicator

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3.6. Disposal of the Unit and/or LiPo
Discharge the lithium-ion battery before disposing of it or the unit. When disposing of the unit,
ensure that it is disposed of in an environmentally friendly manner. Observe all local and national
regulations for the disposal or recycling of batteries.
3.7 Using the GNSS Antenna and Mounting it
There are 2 different GNSS antennas for viDoc® according to the attached list. Working with the
GNSS antenna:
1) Check the thread on your viDoc® and your antenna for possible dirt. (Clean only by
blowing out and not with the help of a compressor).
2) Screw the antenna straight onto the viDoc®. Be careful not to overtighten the thread. Turn
until you feel a slight resistance.
CAUTION - Do not overtighten the thread, this can lead to breakage. The antenna cannot be used
again afterwards and must be replaced!
3.8. Working with a Surveyor's Pole or Tripod
1) Mount the viDoc® on the tripod via its threaded device on the lower part.
2) Turn until the unit is noticeably firm.
3) Only switch on the unit after this process.
CAUTION - Do not overtighten the thread, this may cause breakage.
3.9 Configure and Apply
The viDoc® has no controls to change settings or operate.
The unit can be configured in three ways:
• Via the Bluetooth protocol, connected via the same one.
• Use of a vigram® app.
• Using a third-party app that uses the vigram® SDK.
Communication always takes place via wireless Bluetooth technology.

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3.10 Switch Functions
On the left side of the unit you will find the on/off switch. Press the switch in for 2 seconds.
The viDoc® switches on and the LED below it lights up green.
To switch the unit off, press and hold the switch again for 2 seconds.
The LED flashes green and goes off. The viDoc® is switched off.
NOTE - In case of problems with the connection to the NTRIP, switch off the unit and switch it on
again within 5 seconds. It is in the so-called HOT-MODE and finds its position within seconds.
3.11 Connect to the End Device (smartphone/tablet)
Make sure your battery is charged. Switch on your Bluetooth on the end device.
Start your viDoc® until the LED shows green. Depending on the app you are using, you may need
to search for devices. Search for viDoc® - (serial number) and select it.
Depending on the app, you can already establish a connection to your device. In many cases, you
will now be asked to enter your NTRIP data (additional service provider). The device then connects
to your mobile terminal. In the status display, you will see after 60 seconds at the latest whether
you have reached the RTK-fix mode. Now you are ready to measure.
NOTE - When using apps, you will be asked if the app is allowed to access your Bluetooth?
If you answer NO, you will NOT be able to connect to the device.
NOTE - In all vigram® apps you can rent your NTRIP access, for a fee.
NOTE - For more information on your RTK, how GNSS works and similar topics,
visit the vigram® Knowledge- Base.
CAUTION - Depending on the correction data service (NTRIP), accuracies may vary.
Recommendations are available on request from vigram®.
CAUTION - You must be outdoors for full reception strength and there must be no
tall objects within 50 meters.
3.11.1 Data Logs
The viDoc® transmits the NMEA protocol with all important metadata as standard. Depending on
the app application, you have the option of reading out or processing these protocols.
3.11.2 Standard Configuration
The viDoc® is completely pre-configured and designed for the use case of static measurement and
measurement in motion (Structure for Motion) up to 20km/h.
3.11.3 Firmware Innovations
The viDoc® is equipped with a bootloader that can be controlled via your app. If a firmware update
is available, it can be installed by your app provider with your consent.

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3.11.4 Problem Handling
The following problems may occur when using viDoc®:
Type
Solution
No NTRIP connection
Switch off the unit and restart
No satellites found
Check your antenna connection
Unit does not switch on
Check your battery is charched
3.11.5 Protocols
UBX Input/output, binary, U-blox proprietary
NMEA Input/output, ASCII
RTCM 3.3 Input/output, binary
3.12. viDoc® Laser Rangefinder Features
Accuracy: +-3mm
Measuring Unit: millimeter
Measuring Range: (without Reflection) 0.03-40m
Measuring Time: 0.1~4 seconds
Laser Class: Class II
Laser Type: 635nm, <1mW
Size: 25*45*12mm
Weight: About 9g
Voltage: DC 2.5~3.3V
Operating Temperature: 0-40 ℃ 32-104 ℉
Storage Temperature: -25~60 ℃ (-13~140 ℉)
3.12.1 Connecting the Laser
The laser rangefinders can only be addressed via the Bluetooth communication interface. This is
done via the app used in each case, provided that it offers the interface.
3.12.2 Calibration of the Laser
Each viDoc® is subjected to a strict quality control at the factory. The lasers are individually
calibrated for the specific device and their measuring accuracy (distance) is checked.
WARNING - The lasers can be misaligned by concussions. As a result, measurement inaccuracies
may occur. In this case, recertification by the manufacturer vigram is required!
NOTE - The two lasers installed are different types and have different technical characteristics.
3.12.3 Using the Laser
After connecting your viDoc® to the terminal, you can activate the laser.
The lasers support 2 different modes:
Fast Mode - high sampling rate with lower accuracy (up to 10x per second)
Slow Mode - low sampling rate with high precision (up to 4 seconds)