Spectra Precision FAST Survey Reference Manual - Manual (Page 201)

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If a file is open, you can now tag sites. Otherwise, open a file by clicking the Start File button. The receiver chooses the
file name based on the names of the last site in the file. The antenna height and type can be changed via the Change
Antenna
button (see Changing the Antenna). The interval can be selected from the list, or you can enter your own, in
seconds, using the edit field.
After starting a file, the software returns to the main screen. From there, you can leave the file recording (exit), manage
files, or start tagging sites. To tag a site, click the Tag Site button.
The Tag New Site dialog shows the available space on the receiver, and allows you to enter the site name (which must
be four characters) and site attribute. You may also change the interval and the antenna height here. You can choose to
have FAST Survey stop logging the site automatically after a specified time period, or manually. If you choose to stop
the logging automatically, you will still have the ability to stop it manually using the Stop Point Logging button.