8.3.22
Hemisphere GNSS Input
This function is designed for interfacing Spatial with a Hemisphere GNSS receiver. It accepts data
in the Hemisphere binary format and expects message Bin1 at rates higher than 1Hz. For
Hemisphere receivers that provide heading using two antennas, NMEA should be used instead as
the binary format does not allow for transmission of heading information.
8.3.23
Teledyne DVL Input
This function is designed for interfacing with Teledyne DVL systems. This allows Spatial to navigate
underwater. It accepts data in the PD0 output data format at rates 10Hz or higher. Please see
section 7.12 for more information on underwater navigation using Spatial.
8.3.24
Tritech USBL Input
This function is designed for interfacing with a Tritech micronnav USBL system. This allows Spatial
to navigate underwater. It accepts data in the Raw XYZ format. Please note that the setup with a
Tritech USBL requires two Spatial units. Please see section 7.12 for more information on
underwater navigation using Spatial.
8.3.25
Linkquest DVL Input
This function is designed for interfacing with Linkquest DVL systems. This allows Spatial to
navigate underwater. It accepts data in the NQ1 output data format at rates 1Hz or higher. Please
see section 7.12 for more information on underwater navigation using Spatial.
8.3.26
Pressure Depth Transducer Input
This function is designed for interfacing with frequency output pressure depth transducers. It
requires a pressure transducer with a frequency output such as the AST4700 from American
Sensor Technologies. Please see section 7.12 for more information on underwater navigation
using Spatial.
8.3.27
Left Wheel Speed Sensor
This function is designed for the left wheel of a vehicle with dual wheel speed sensors.
8.3.28
Right Wheel Speed Sensor
This function is designed for the right wheel of a vehicle with dual wheel speed sensors.
8.3.29
1PPS Input
This function is designed to allow external GNSS receivers to synchronise time with Spatial. It
triggers on a transition from low to high.
Spatial OEM Reference Manual
Page 47 of 88
Version 2.7
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