R01.i
RT System 2 v2.3 Deployment Guide
187
© 2010-2014 Wireless Seismic, Inc. All rights reserved.
F. Using a Compass
4
Pick up the compass and adjust the cover so the angle of the cover to the base is
between 45 and 70 degrees.
5
Hold the base of the compass in the palm of your hand. Keep the compass level. Turn
your entire body and the compass until the red end of the Magnetic Needle is aligned
with the red end (north end) of Orienting Arrow.
6
While holding the compass at eye level, keep the compass level and align your
destination with the sight notch on the top of the case.
7
Ensure that the sighting line in the mirror passes through the center of the compass
wheel.
Figure F–4 Compass Adjusted for
Declination
Figure F–5 Compass Adjusted for
Declination