This option is used to calculate the radius vector of maplets, the spacecraft vector, and the spacecraft pointing.

Main Menu: Q 0123O IUCRSG NVAMBX DEPL FZH? v
 >v                                                                               

 1.  V from Z and pointing
 2.  Z from V and pointing
 3.  PTG/SCOBJ from Z and V (selected image)
 4.  PTG/SCOBJ from Z and V (current images)
 5.  PTG/SCOBJ from nominal (selected image)
 6.  PTG/SCOBJ from nominal (current images)
 7.  RA/DEC/TW (selected image)
 q.  Quit

1. V from Z and pointing - This option