Figure 113. Plotting board.
tains all the controls and connections used
a dual telescope (finder and track-
during the operation of the telephone. Handset
ing), an azimuth and elevation
H60/PT contains a receiver and a trans-
mitter section; the receiver section is shaped
The azimuth and elevation mounting
so that it will fit under a standard field helmet.
contains a compass, a battery com-
A bracket is located on the panel and housing
assembly to hold Handset H60/PT when it
partment, levels, elevation and azi-
is not in use.
muth tracking controls, and an
i. Theodolite Set The theodolite set consists
sembly contains the controls for level-
of the theodolite, the theodolite base plate,
ing the theodolite during orientation