ATP-3-09-02 Field Artillery Survey Download
Page 66 of 168
Chapter 5 5-8 ATP 3-09.02 16 February 2016 Figure 5-9. Tilt telescope 5-17. At this point the instrument is ready for angle measurement operations (see figure 5-10). Figure 5-10. Vertical angle reading VERTICAL ANGLE MEASUREMENTS 5-18. With the instrument set-up over a point ensure the instrument is level and optically plumbed. Ensure the telescope is in the direct mode (the telescope eyepiece will be on the left side, see figure 5-11 on page 5-9) and achieve autoreflection.