(4) Rotate the knob until the black 5 is aligned to the reference
Your clinometer should now read 40.5 degrees.
elevation antenna is placed to point where the bubble in the
clinometer's spirit level is centered, the elevation antenna
is set at 40.5 degrees.
(5) Figure 57 is set at (-)(+)
Figure 57. Clinometer setting.
(6) Figure 58 is set at (-)(+)