Celestron 90LCM Computerized Telescope LCM Series Manual (English) - Page 9

2. Gently remove the battery holder from inside the battery compartment. 3. Place 8-AA batteries (user supplied) inside the battery holder. 4. Return the battery holder back inside the base and replace the cover. 5. Flip the power switch to the "On" position. The light on the power button and hand control should come on. In case of a loss of power, the optical tube can be moved by hand in altitude (up and down) only. However, when powered on, the telescope should always be controlled via the hand control. The telescope will lose its star alignment if moved by hand when powered on. The Hand Control Figure 2-11b Inserting the Batteries The LCM's hand controller is designed to give you instant access to all the functions the telescope has to offer. With automatic slewing to over 4,000 objects, and common sense menu descriptions, even a beginner can master its variety of features in just a few observing sessions. Below is a brief description of the individual components of the LCM hand controller: 1 7 2 8 3 4 9 10 11 5 6 12 Figure 3-1 The LCM Hand Control 1. Liquid Crystal Display (LCD) Window: Has a dual-line, 16 character display screen that is backlit for comfortable viewing of telescope information and scrolling text. 2. Align: Instructs the LCM to use a selected star or object as an alignment position. 3. Direction Keys: Allows complete control of the telescope in any direction. Use the direction keys to center objects in the StarPointer finderscope and eyepiece. 4. Catalog Keys: The hand control has a key on the hand control to allow direct access to each of the catalogs in its 4,000+ object database. The hand control contains the following catalogs in its database: Messier - Complete list of all Messier objects. NGC - Many of the brightest deep sky objects from the Revised New General Catalog. Caldwell - A combination of the best NGC and IC objects. Planets - All 8 planets in our Solar System plus the Moon and Sun. Stars - A compiled list of the brightest stars from the SAO catalog. List - For quick access, all of the best and most popular objects in the database have been broken down into lists based on their type and/or common name: Named Stars Common name listing of the brightest stars in the sky. Named Objects Alphabetical listing of over 50 of the most popular deep sky objects. Double Stars Alphabetical listing of the most visually stunning double, triple and quadruple stars in the sky. Variable Stars Select list of the brightest variable stars with the shortest period of changing magnitude. Asterisms A unique list of some of the most recognizable star patterns in the sky. 5. Info: Displays coordinates and useful information about objects selected from the database. 6. Tour: Activates the tour mode, which seeks out all the best objects for a given month and automatically slews the telescope to those objects. 7. Enter: Pressing Enter allows you to select any of the LCM functions, accept entered parameters and slew the telescope to displayed objects. 8. Undo: Undo will take you out of the current menu and display the previous level of the menu path. Press Undo repeatedly to get back to a main menu or use it to erase data entered by mistake. 9. Menu: Displays the many setup and utilities functions such as tracking rate and user defined objects and many others. 7