TM 5-6675-307-14
Figure 2-8. Theodolite, installation on tripod.
2-3.
Equipment Conversion
For direct sun observations, filters are provided. A
a. General.
compass is provided for use when magnetic azimuth is
During night or dark-day
required.
operation, the reading circles and bubbles are
b. Night or Dark-Day Operation. Refer to
illuminated by installing the illumination system. For
figure 2-9 and install the illumination system.
high-angle observations, install the prismatic eyepieces.
2-8
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