Meade ETX-90EC instruction manual Meade Limited Warranty

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MEADE LIMITED WARRANTY

Every Meade telescope, spotting scope, and telescope accessory is warranted by Meade Instruments Corporation (“Meade”) to be free of defects in materials and workmanship for a period of ONE YEAR from the date of original purchase in the U.S.A. and Canada. Meade will repair or replace a product, or part thereof, found by Meade to be defective, provided the defective part is returned to Meade, freight-prepaid, with proof of purchase. This warranty applies to the original purchaser only and is non-transferable. Meade products purchased outside North America are not included in this warranty, but are covered under separate warranties issued by Meade international distributors.

RGA Number Required: Prior to the return of any product or part, a Return Goods Authorization (RGA) number must be obtained from Meade by writing, or by calling (949) 451-1450. Each returned part or product must include a written statement detailing the nature of the claimed defect, as well as the owner’s name, address, and phone number.

This warranty is not valid in cases where the product has been abused or mishandled, where unauthorized repairs have been attempted or performed, or where depreciation of the product is due to normal wear-and-tear. Meade specifically disclaims special, indirect, or consequential damages or lost profit which may result from a breach of this warranty. Any implied warranties which can not be disclaimed are hereby limited to a term of one year from the date of original retail purchase.

This warranty gives you specific rights. You may have other rights, which vary from state to state.

Meade reserves the right to change product specifications or to discontinue products without notice.

This warranty supersedes all previous Meade product warranties.

WARNING

This equipment has been tested and found to comply with the limits for a CLASS B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions contained in this manual, may cause harmful interference to radio and television communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and the receiver.

•Connect the equipment into an outlet on a circuit different from that of the receiver.

•Consult the dealer or an experienced audio television technician.

NOTE: Connecting this device to peripheral devices that do not comply with CLASS B requirements or using an unshielded peripheral data cable could also result in harmful interference to radio or television reception.

The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.

To ensure that the use of this product does not contribute to interference, it is necessary to use shielded I/O cables.

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Contents Meade Instruments Corporation Eyepiece holder thumbscrew Eyepiece ViewfinderCONTENTSz3 Slew Speed GuideIntroduction Assembly InstructionsParts List Getting StartedComputer Control Panel Telescope FeaturesQuick Tips Telescope ControlsGetting STARTEDz First ObservationsObserving with the Electronic Controller Aligning the Viewfinder Focusing the ViewfinderUsing the Viewfinder ViewfinderTelescope Mountings Telescope FundamentalsChoosing an Eyepiece Understanding MagnificationSlew Speeds Terrestrial ObservingAstronomical Observing Sidereal RateModes of Operation Using the Mode ScrewsTelescope FUNDAMENTALSz Electronic ControllerPolar Alignment Procedure Celestial CoordinatesLocating the Celestial Pole Standard Tripod Leg ETX-125EC Latitude Balance Weight is recommended ifStandard Tripod Leg ETX-90EC High-Latitude Tripod Leg ETX-90ECPlanets Chapterz4 ObservingObjects in Space MoonOBSERVINGz Photography with Both ETX ModelsFew tips on photography with both ETX models ETX-125EC Optional Accessories2X Barlow Power Astro Software/Cable Connector KitOptional Accessories #1244 and #1247 Electric Focusers OPTIONALz AccessoriesStorage and Transport MAINTENANCEz and ServicingGeneral Maintenance TroubleshootingMeade Customer Service Maintenance and ServicingSpecifications ETX-125EC Astro Telescope Specifications ETX-90EC Astro TelescopeLight Off Northern Hemisphere Polar Indicator Light KeyAppendix Atracking Motor Speed LightCity State Latitude Appendix B Helpful ChartsLatitude Chart for Major Cities of the World Star Locator24Appendix C Precise POLARz Alignment Setting Circles Setting CirclesAppendix Precise Polar Alignment Road Map to the Stars Appendix D ROADMAPzTO the StarsAppendix E YOU and the Universe Distances between the planetsMeade Limited Warranty Meade Instruments Corporation

ETX-90EC specifications

The Meade ETX-90EC is a compact, portable telescope that has garnered significant attention among amateur astronomers for its exceptional optical performance and user-friendly design. Launched as part of Meade's popular ETX series, this telescope blends advanced technology with accessibility, making it an ideal choice for both beginners and experienced users.

One of the standout features of the ETX-90EC is its Maksutov-Cassegrain optical design. This design incorporates a spherical primary mirror and a corrector lens which contributes to sharp images with minimal optical aberrations. The 90mm aperture allows users to observe a variety of celestial objects, from the craters on the Moon to distant galaxies, while maintaining a compact form factor. The telescope's focal length of 1250mm provides a substantial level of magnification, enabling users to enjoy detailed views of planets and other astronomical phenomena.

The ETX-90EC boasts a robust computerized system, powered by Meade's Audio Star technology. This feature not only assists users in locating over 30,000 celestial objects with just a few simple commands, but it also provides educational audio information about these objects, enhancing the observational experience. The telescope's GoTo capabilities allow it to automatically point to selected objects, transforming the stargazing process into an interactive and informative experience.

Another significant aspect of the ETX-90EC is its portability. Weighing in at under 10 pounds and featuring a foldable design, this telescope is easy to transport and set up in various locations. This makes it ideal for both backyard astronomy and travel to darker skies where light pollution is minimal.

The ETX-90EC also incorporates an electronic drive system that ensures smooth and precise tracking of celestial objects, which is invaluable for astrophotography enthusiasts. With optional accessories, users can attach cameras and other devices to capture stunning images of deep-sky phenomena.

Overall, the Meade ETX-90EC combines advanced optics, user-friendly technology, and portability, making it a versatile and powerful tool for exploring the night sky. Whether you are a novice looking to kickstart your journey into astronomy or a seasoned observer seeking a reliable companion, the ETX-90EC offers a unique blend of performance and convenience that appeals to a wide range of stargazers.
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