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The enter shot data screen, Sun shot procedure summary – Spectra Precision Survey Pro v4.6 Recon-Nomad Reference Manual User Manual

Page 174

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Survey Pro Reference Manual

R-166

The Enter Shot Data Screen

Horizontal Angle: displays the horizontal angle

measured by the total station. This value is updated
with the Take Shot button, described below.

Current Date / Time: displays the current date, time,
and DUT. These settings can be changed from the

Date/Time Settings screen (Page R-56).
Date: if incorrect, the current date should be entered

here.
Time: is where the precise time that the observation

occurred is entered.
Hrs to GMT: is the number of hours that the time at the

current location differs from Greenwich Mean Time.

Note: The hours to GMT will be between +5 and +8 when in the
continental United States.

Take Shot : records the horizontal angle from the total station.

Get Local Time : fills in the Time field with the current time that is

set in the data collector. This function is not available when shooting

the backsight.

Sun Shot Procedure Summary

1. Point the telescope ahead of the path of the sun and lock the

horizontal movement of the total station.

2. Immediately record the horizontal angle from the total station

using the Take Shot button.

3. When the target becomes properly aligned with the crosshairs,

record the current time as accurately as possible. The time can
be automatically read from the data collector using the

Get Local Time button, or measured from an external time piece

and manually entered in the appropriate fields.