Vixen Starbook-S User Manual page 23

(4) Center the celestial object you wish to use as a reference point in the circle on the screen.
Example: Center the chart on Arcturus in the constellation Bootes (the herdsman).
(5) When the Zoom+ key is pressed once, the star chart is zoomed in by one step. It enables you
to make finer adjustments.
(6) With each press of the Zoom+ key the star chart is zoomed in more.
(7) Enlarge the star chart until the outer of the two concentric circles goes off the screen. Refer to
Hint 4.
(8) Move Arcturus to the center of the circle and press the GOTO key.
Hint 4
You may not be able to center a reference star exactly in the center of the circle, but it is ok if it is
slightly off center.
Automatic slewing begins.
23