Spectra Precision Survey Pro v4.5 Ranger User Manual - Manual (Page 139)

Other Conventional Surveying Tutorials
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9. Enter the correct hours to GMT in the Hrs
To GMT
field, aim toward the backsight
and tap Take Shot to record the horizontal
angle to the backsight. (The azimuth to
this point will be computed at the end of
the routine.)
Note: The hours to GMT will be between +5
and +8 when in the continental United States.
10. WITH A SOLAR FILTER INSTALLED,
aim ahead of the path of the sun so that the trailing edge has not
yet contacted the vertical crosshair in the scope and tap
Take Shot to record the current horizontal angle.
11. Watch the movement of the sun in the scope. As soon as
the trailing edge of the sun contacts the vertical
crosshair, either tap the Get Local Time button or use an
external timepiece and note the precise time. (When
using an external timepiece, manually key in the noted
time in the HH, MM, SS, sss fields.)
12. Tap to continue. You will return to the
Solar Observation screen and the computed
azimuth for each shot taken is displayed
with other shot information.
Note: You can delete and re-shoot the last shot
taken by selecting it and tapping the Del
button. This is useful if the last shot was in
error.
13. If additional shots are remaining, the next
required shot will be selected. Tap Shoot to access the Enter Shot
Data screen to take the next shot.
14. Repeat Steps 10 through 12 until all forward and reverse shots
have been performed.
Get local time now!