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Place the telescope in an msade position on a flat surface. Orient the entire telescope, including tripod or tripod legs, so meade etx-90ec manual pdf download the polar axis is pointing toward Polaris Fig. For objects, like the Moon or a comet, that move at slightly different rates, the Electronic Controller arrow keys 1, Fig.
Eyepiece Focal Length is the distance light travels inside the eyepiece before reaching focus.
Hole cover for optional tripod legs 2 It is in astronomical applications where the high level meade etx-90ec manual pdf download optical meade etx-90ec manual pdf download is readily visible. Electronic Controller Functions The Electronic Controller provides the observer with the means to control the telescope motors from a compact handbox.
Then use the following procedure:. An ETX can be focused on objects from a distance of about Etx premier edition telescope series autostar lnt smartfinder 60 pages.
The SPEED key is used to change the speed at which the telescope slews when the arrow keys are pressed. 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.
Vertical or Declination lock 7. Use a combination of a lifting and turning the entire telescope or nudging the position of one of the fixed tripod legs and b adjusting the length of the adjustable tripod leg to place Polaris in the center of the telescope’s meade etx-90ec manual pdf download. Since the second object i. The Electronic Controller has etx-90ev slew speeds that are directly proportional to the sidereal rate. When using the circles for the first time, try hopping etx-90rc one bright star the calibration star to another bright star of known coordinates.
User Guides and Service Manuals. Manually turn the R. Press the INkey and light 4 comes on meade etx-90ec manual pdf download. This manual provides instructions for the following products: Follow the arc to Arcturus, the second brightest star in the Northern Hemisphere, then spike down to Spicathe 16th brightest star in the sky. Mounted mmanual the knob is a circular scale with no numbers.
Eye dama ge is often painless, so there is no warning to the observer that damage has occurred until it is too late. Both ETX model telescopes can be used for immediate observation right out of the box. Equatorial mounting aligns the telescope with the neade sphere.
As with most astronomical telescopes, meade etx-90ec manual pdf download ETX model. Viewing terrestrial objects requires looking along the Earth’s. Image orientation is discussed further in Terrestrial Observing, page Indicator Light Key The procedures in this manual etx-90ed the status of the four indicator lights in a box to the left of the appropriate step.
Meade ETX-105EC Instruction Manual
If you are anxious to use your ETX Astro Telescope for the first time, before a thorough reading of this instruction manual, see the Quick-Start Guide on page 4. Comments to this Manuals Your Name. Using setting circles meade etx-90ec manual pdf download a developed technique. Insert a low-power eyepiece e. By drawing an imaginary line outward from the handle of the Big Dipper you reach the southern constellation Scorpius.
Turbulence in the air, even on an apparently clear night, can distort images.
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When one of these alternate powering options is used, the internal batteries are disconnected from the power circuit. Slide the eyepiece end of the viewfinder through meade etx-90ec manual pdf download front of the viewfinder bracket 1, Fig. A Meade ETXAstro Telescope is an extremely versatile, highresolution imaging system that, with advanced features similar to larger and more specialized telescopes, can be used by casual observers and serious astronomers alike.
To change the tracking rate, for extended observations of an object not moving at the sidereal rate, follow the procedure for the appropriate hemisphere:. Slew speeds are signified by the indicator lights 2, Fig.
Assembly of both ETX model telescopes requires eight usersupplied AA-size batteries and the following steps:. Setting circles emulate the celestial coordinates found on star charts or in sky catalogs. With the standard-equipment SP 26mm eyepiece inserted in the eyepiece holder, meade etx-90ec manual pdf download telescope is operating at the following power see Understanding Magnification, page 9: 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.
Got it, continue to print. The two slowest speeds 8x and 32x sidereal should be meade etx-90ec manual pdf download for pushbutton tracking of astronomical objects while observing through the eyepiece.
Meae remove the batteries if they are not to be used for a long period of time. Verify that mewde computer control panel power switch E is in the OFF position. Each press slows the speed down one level, then cycles back to the highest speed. Do not expect high-resolution imaging under these conditions. Each press meade etx-90ec manual pdf download the speed down one level, then cycles back to the highest speed.
Two identical auxiliary ports provide connections for current and future Meade accessories. If the site is over 70 miles north of the listed city, meade etx-90ec manual pdf download one degree for every 70 miles.
Locate the two mounting holes on the bottom of the telescope drive base.