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Celestron CGX Equatorial 800 HD Telescope User Manual

Nexstar+ hand control

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NEXSTAR+ HAND CONTROL

The NexStar+ hand control features all of the functionality of the older NexStar hand control but offers the

following improvements:

• Expandable functionality through the use of the Help and Option buttons (available in future firmware updates)
• LCD is less sensitive to low temperatures
• Directional buttons have raised edges to make them easier to find without looking at the hand control
• Support for faster updating via Celestron’s new firmware management software

Below is a brief description of the individual components of NexStar+ hand control.

1. LIQUID CRYSTAL DISPLAY (LCD) WINDOW: Offers

improved performance in cold weather and red backlighting for

comfortable nighttime viewing of telescope information

and scrolling text.
2. ALIGN: Instructs the telescope to begin the default alignment

procedure. It is also used to select star or object as an

alignment position.

3. DIRECTION KEYS: Allow complete control of your telescope

in any direction. Use the direction keys to center objects in

the eyepiece or to manually slew your telescope.

4. CATALOG KEYS: Allow direct access to each of the main

catalogs in the database of thousands of objects.

Your telescope contains the following catalogs in its database:
•Solar System – All 7 planets in our Solar System plus the Moon,

Sun and Pluto

•Stars – Custom lists of all the brightest stars, double stars,

variable stars, constellations and asterisms

•Deep Sky – Custom lists of all the best Galaxies, Nebulae

and Clusters, as well as the complete Messier and select

NGC objects

5. IDENTIFY: Searches your telescope’s database and displays

the name and offset distances to the nearest matching objects.

6. MENU: Displays setup and utilities functions, such as

tracking rate and user defined objects and others.

7. OPTION (CELESTRON LOGO): Works similar to the SHIFT key

on a keyboard and can be used in combination with other keys to

access more advanced features and functions to be added with

later firmware updates.

8. ENTER: Pressing ENTER allows you to select any of your

telescope’s functions, accept entered parameters and slews

the telescope to displayed objects.

9. BACK: Similar to the UNDO button on the original hand

control, pressing BACK will take you out of the current menu

and display the previous level of the menu path. Press BACK

repeatedly to get back to a main menu or use to erase data

entered by mistake.
10. SKY TOUR: Activates the tour mode, which seeks out all

of the best objects in the sky and automatically slews your

telescope to those objects.
11. SCROLL KEYS: Used to scroll UP and DOWN within any of

the menu lists. A double arrow symbol on the right side of the

LCD indicates that the scroll keys can be used to view additional

information. The buttons have an angled shape to make it easier

to locate without looking.

12. MOTOR SPEED: Similar to the Rate Button on the original

NexStar hand control, it allows you to change the motor’s speed

when the direction keys are pressed.
13. OBJECT INFO: Displays coordinates and valuable information

about objects selected from your telescope’s database.

14. RS-232 JACK: For use with computer software programs for

point and click slewing capability and updating firmware via PC.
15. HELP MENU: In future firmware updates, this button will offer

troubleshooting tips. For your convenience, it currently functions

as a shortcut to the Messier Catalog.

Congratulations! You have received a newly upgraded NexStar+ hand control with your telescope.

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This manual is related to the following products: