1.5.7
SURVEYING METHODS CHAPTER 5
GEODIMETER SYSTEM 600
Remote Surveying
Remote surveying means the instrument operator's job is to
aim the instrument toward the reflector. The most experien-
ced member of the survey crew is out at the measuring point
taking care of the qualified work of checking, coding,
registering etc.
Remote surveying gives you the ability to access the informa-
tion where it's most needed. Because it's out at the measuring
point itself you most often discover how to achieve the best
results.
Important information when measuring with high accuracy
To achieve the highest accuracy when measuring distances
shorter than 200 meters and having the Tracker unit
installed on your instrument you need to be aware of the
following:
If you use a large reflector like the Super Prism (Part no. 571
125 021) or the Tiltable Reflector (Part No. 571 126 110)
you need to cover the tracker aperture before you measure
the distance. Otherwise reflections from the Tracker unit
may have influence on the measured distance. The error can
vary from 0 to 3 mm. If you use a Miniature Prism (Part no.
571 126 060 or 571 126 100) this error doesn't occur.
Equipment
To be able to work with remote surveying you'll need a
control unit at the point. You will also need to equip your
instrument with a radio side cover (see chapter 1.1) and to
connect an external radio to the RPU. The control unit, the
prism and the external radio will hereafter be called, RPU.
Radio communication
In order for the instrument and the RPU to be able to
communicate you will have to set the same radio channel at
the instrument and at the RPU. Select a channel with regard
to other radio systems that might be in operation in your
immediate area. If radio disturbances occur, e.g. if Info 103
is displayed, try another channel.
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