Magellan ProMark3 RTK Specifications Page 19

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5
USB Cable
The USB cable is used to connect the ProMark3 to an office
computer via the ProMark3’s I/O module. Use the mini USB
port for this connection and not the USB host port.
The mini USB port is located next to the RS232 Sub-D port
on the I/O module. Refer to diagrams on page 4.
AC Adapter/Charger
This device is used to power supply the ProMark3 from the AC
power line.
If an internal battery has been inserted into the ProMark3
unit, this device will also provide a charging current for the
battery. (Battery charging will be monitored by the ProMark3
unit).
External GNSS Antenna
The external GNSS antenna is required for surveying func-
tions. While the built-in antenna is sufficient for navigation, a
more sophisticated external antenna is required to obtain
quality data for precision surveying. The external GNSS anten-
na is the physical data collection point for the raw GNSS sat-
ellite data. For this reason, it must be accurately positioned
over the point to be surveyed, using a standard tripod or fixed-
height GPS tripod.
External Antenna Cable
The external antenna cable connects the ProMark3 receiver to
the external antenna. The small end of the cable fitted with a
right-angle plug connects to the ProMark3. The large end of
the cable screws onto the external antenna.
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