Celestron CPC Deluxe 925 HD Computerized Telescope CPC Deluxe HD Manual - Page 19

to rebalance. When you are ready to slew the telescope to your next object, just remember to manually return the tube to the same bright star and carefully center it in the eyepiece. Using this tool will invalidate the PEC index Periodic Error Correction (PEC) - PEC is designed to improve photographic quality by reducing the amplitude of the worm gear errors and improving the tracking accuracy of the drive. This feature is for advanced astrophotography and is used when your telescope is polar aligned with the optional equatorial wedge. For more information on using PEC, see the section on "Celestial Photography". >> www.celestron.com CPC Menu Tree This figure is a menu tree showing the sub-menus associated with the primary command functions 17