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available
here. If this button is pressed without an SD
card inserted. a 'No SD Card' message will be
displayed.
Top
The top of the unit houses a slot for inserting a Standard SIM card if are intending on using the internal 4G modem to
connect to the NTRIP server, and a USB socket for updating the unit using the supplied USB cable. If you are
connecting to another GNSS receiver rather than a VBOX, the USB socket can also be used to power the unit if power
isn't available via the Hirose connection (more information on USB power is
An SMA connector is also included for attaching the supplied cellular antenna (ANTMSTUBSMAM).
Bottom
The bottom of the unit houses 2 Hirose connectors, the centre one can be used to supply power to the unit via the
supplied RLCAB010H cable. The other connector can be used to connect to a VBOX or other GNSS sytem to supply
RTK correctional messages via CAN.
There is also a an SD card slot for logging data and an SMA connector for attaching the supplied GNSS antenna
(RLACS308).
https://en.racelogic.support//Product_Info/VBOX_Data_Loggers/VBOX_Sigma/VBOX_Sigma_User_Guide/02_-
available
here).
_VBOX_Sigma_Hardware_Overview
11
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