Spectra Precision Survey Pro v4.5 Recon and Nomad Reference Manual - Manual (Page 13)

Main Menu
R-5
Other Command Bar Buttons
There are additional command bar buttons available in screens other
than the Main Menu. Each is described below.
(OK): Performs the desired action then closes the current screen.
(Cancel - Red X): Closes the current screen without performing the
action intended by the screen.
(Close - Green X): Closes the current screen.
(Settings): Opens the Settings screen (Page R-36) associated with
the current screen.
(GPS Status): This is used to view the current status and access
the settings for a GPS receiver when using the GeoLock feature (Page
R-157). It is only available from the Remote Control and Remote Shot
screens when using a Trimble or Geodimeter robotic total station.