User manual MEADE RCX400

[. . . ] Instruction Manual 10", 12", 14", 16" RCX400TM Advanced Ritchey-Chrétien Telescopes with AutoStar II® Hand Controller and Digital Front Focus MEADE. COM Focusing the Telescope As you look over your new RCX telescope, one of the first things you will notice is that it has no Focus Knob!Because this design is of key importance, we are presenting this information on how to focus your telescope on the inside front cover so that it is immediately accessible. The Focus Key All focusing of the RCX400 is performed digitally, using AutoStar II's Focus key (number key 4). The Focus key functions as a toggle key: Press the Focus key the first time to focus the telescope and to control the speed at which you focus. [. . . ] However, if you wish to store the coordinates of an object in memory, use the method described at the right. Make sure Autostar II has been initialized and the telescope has been aligned. After the telescope is aligned, "Select Item: Object" displays. (If necessary, use the Scroll keys to scroll through the menus, as previously described, to find this option. ) Press ENTER. Keep pressing the Scroll Up key until "Object: User Object" displays and press ENTER. "Name" displays on the top line and a blinking cursor on the second line. Use the Arrow keys, as previously described, to enter the name of the object you wish to add to the database. Use the Number keys to enter the digits for the Right Ascension coordinate of your object. Use the Number keys to enter the digits for the Declination coordinate of your object. If necessary, use the Scroll Keys to change "+" to "-. " When you are finished, press ENTER. Use the Number keys to enter the size (in arc-minutes), if so desired, and press ENTER to go to the next display. Use the Number keys to enter this information, if so desired, and press ENTER to go to the next display. 7. 8. 9. To GO TO a user-entered object: In this procedure, you will choose an object from the User Object list and GO TO the object. With "User Object: Add" displayed, press the Scroll Up key once. The name of the object and the Right Ascension and Declination coordinates display. Press GO TO and the telescope slews to the object. 38 Observing Satellites In this procedure, you will prepare your telescope to observe a satellite pass. Navigate to the "Object: Satellite" menu option and press ENTER. "Calculating. . . . " and then "Tracking. . . " displays. If the satellite is going to make a pass, "Located" displays. Use the Scroll keys to display data about the pass: aos--acquisition of signal and los--loss of signal. If you subtract the aos from the los, you can calculate how long the satellite will be visible. Press ENTER and Autostar II automatically sets the alarm to sound a minute before the satellite's scheduled appearance. When the alarm goes off, return to the Satellite menu and press a Scroll key until the desired satellite is on the top line of the display. [. . . ] Instead, he believed that Saturn had "ears. " Saturn's rings are composed of billions of ice particles ranging in size from a speck of dust to the size of a house. The major division in Saturn's rings, called the Cassini Division, is easily visible through the RCX400. Titan, the largest of Saturn's moons can also be seen as a bright, star-like object near the planet. Deep-Sky Objects Star charts can be used to locate constellations, individual stars and deep-sky objects. [. . . ]