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Acquiring Satellite Lock
Tall buildings or trees can block GNSS signals, causing a reduction in the number and quality of satellites being tracked,
leading to inaccurate position measurements and a noisy velocity signal.
Cellular Antenna
VBOX Sigma is also supplied with a cellular antenna antenna (ANTMSTUBSMAM), which is connected to the
SMA socket on the
top of the
Logging
VBOX Sigma logs data via an SD card inserted in to the
the
Logging Strategy
selected within the VBO Log Settings area of the Wi-Fi hotspot configuration interface, the unit
will either log continuously or when movement is detected. Logging can also be started/stopped using the
Button
on the front of the unit.
SD Card Format
VBOX Sigma is supplied with an 8 GB SDHC card in a FAT32 file format, which is the only file format supported.
If you are looking to purchase a new SD card, it is recommended that any card used has a write speed of above 7 MB/s
(4 MB/s absolute minimum) and a speed class of 10 (4 absolute minimum). Racelogic recommend SD cards from quality
brands such as Transcend, SanDisk, Kingston or Lexar to ensure best results.
IMPORTANT
– If an SD card is formatted in the exFAT or NTFS file formats, it will need to be reformatted into
a FAT32 file system before it will work with a VBOX Sigma unit.
SDHC cards (2 GB to 32 GB)
Supplied or purchased SDHC cards are formatted in the FAT32 file format. This format
SDXC cards (64 GB and above)
Purchased SDXC cards will be formatted in exFAT or NTFS file formats; these formats
Sigma (please reformat as per instructions below).
SD Card Reformatting
• FAT32 reformatting for media with sizes up to 32 GB can be done directly within Windows by right clicking on the
GNSS works best in open areas/ Avoid tree lined roads
unit.
https://en.racelogic.support//Product_Info/VBOX_Data_Loggers/VBOX_Sigma/VBOX_Sigma_User_Guide/03_-
bottom of the
unit. Dependent on
Square
is supported
by VBOX Sigma.
are not supported
by VBOX
_VBOX_Sigma_Getting_Started
16
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