VB2SX20SPS User Guide
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Operation
Power
The VB2SX20SPS can be powered by connecting the LEMO end of the supplied RLVBCAB14 to the VBOX’s POWER socket, and the un-terminated ends to
any suitable power source. The maximum operating voltage input must not exceed 30V DC. Failure to observe this could result in damage to the VBOX.
Display Screen
The display screen will display velocity and satellite data when operating. It also displays all the menus
required to configure the VB2SX20SPS via the front panel controls. The display screen also shows the unit’s
firmware version on start-up.
During normal operation, the display screen displays Speed (mph or km/h), as well as the number of
satellites that the VB2SX20SPS has locked on to. There are also two satellite status displays and a DGPS
status display.
OK (Green):
Indicates that the VB2SX20SPS has sufficient satellites locked to allow normal operation.
SATS (Yellow):
This flashes to indicate that the VB2SX20SPS has insufficient satellites and will not be able to operate at all.
WAAS/40cm (Orange):
This indicates that the corresponding DGPS corrections are available and being used by the unit. DGPS increases the absolute positional accuracy of the
VB2SX20SPS, but has no affect on velocity or distance measurements unless the Kalman Filter is in use. 40cm positional accuracy is only available when
used in conjunction with a DGPS basestation.
