POS MV V4 User Guide
Installation
Copyright © Applanix Corporation, 2009
2-10
6. Connect the secondary antenna cable to the ANT2 port on the PCS
rear panel.
Note: You must identify the primary and the secondary antennas
clearly. POS MV uses the lever arms distances between your chosen
reference point and the primary GNSS antenna to generate a
navigation solution.
Once the GNSS antennas are installed, measure the antenna separation
distance. POS MV can calculate this distance automatically during the
installation calibration routine, although it will mean the routine will take longer
to complete. If you make a manual measurement instead, record the distance
between the antenna phase centres to an accuracy of ±5 mm (±¼ in). The
GNSS antenna footprint is shown in
Figure 85 on page E-3.
Inertial Measurement Unit
The IMU contains sensitive and expensive solid-state
accelerometer and gyro components. Permanent damage to
these components will result if handled roughly. To prevent
irreversible damage, handle the IMU with care while installing
the system.
The IMU footprints start on page E-1.
Locate the IMU
The IMU is a self-contained unit that must be connected to the PCS using the
supplied shielded cable. Consider the following guidelines when selecting a
location to install the IMU:
• Observe the environmental limitations specified on page
2-5, Inertial
Measurement Unit.
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