Spectra Precision Survey Pro v3.80 Recon iPAQ Reference Manual - Manual (Page 245)

Adjust Menu
R-239
Traverse Adjust – Angle Adjustment
If an angle adjustment is being performed, this screen
will appear next.
Closing Angle : is the closing angle for the traverse, which
must be represented as an angle-right. (See illustration.)
1H[W ! : opens the next screen of the adjustment wizard.
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Closing
Angle