CASSENS & PLATH POLARIS Handhabung Seite 23

Instructions
Page 3 _______________________________________________________________
Content
Application ........................................................................................................................ 4
Technical Data ................................................................................................................. 4
Design .............................................................................................................................. 5
How a Sextant Works ....................................................................................................... 6
Sextant in the Box ............................................................................................................ 7
Clear-view Horizon Mirror ................................................................................................. 8
Star Elongation Lens, Astigmatizer .................................................................................. 8
Combined Dip and Index Mirror Adjustment .................................................................... 9
Celestial Observations ................................................................................................... 10
Alternative Methods........................................................................................................ 11
Finding the Position ........................................................................................................ 11
Memory Foil .................................................................................................................... 11
Terrestial or Horizontal Angle Observations................................................................... 12
Range Finding ................................................................................................................ 12
Adjustment of Horizon and Index Mirror ......................................................................... 13
Tilt Error of the Index Mirror ..................................................................................... 14
Tilt Error of the Horizon Mirror ................................................................................. 15
Index Error ............................................................................................................... 15
Changing the Telescope ................................................................................................ 16
Illumination and Replacement of Batteries ..................................................................... 16
Care and Maintenance ................................................................................................... 16
Exchanging the Mirrors .................................................................................................. 16
Sextant Parts .................................................................................................................. 17
First Use
Before the first use check and correct the mirror position.
Mirrors may be deadjusted by shock during transport.
Refer to Chapter "Adjustment of Horizon and Index Mirror"
POLARIS Sextant