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• If inside a warm house or building, move outside. Interior air conditions may distort terrestrial or celestial
images, making it difficult, if not impossible, to obtain a sharp focus. For optimal viewing, use the telescope
outside in the open air instead of observing through an open or closed window or screen.
• If viewing a land object on a warm day, heat waves will distort the image (see
TERRESTRIAL OBSERVING,
page 12).
• For clear viewing of objects, turn the focus knob (8, Fig. 1) slowly since the “in-focus” point of a telescope
is precise. Turning the focus knob too quickly may cause the focus point to pass without notice.
• The optics within the telescope need time to adjust to the outside ambient temperature to provide the
sharpest image. To cool down the optics, set the telescope outside for 10 to 15 minutes before observing
begins.
Telescope moves off a terrestrial object while observing:
• The motor drive may be activated (see CHANGING MODES, page 26).
• Verify that the vertical and horizontal locks are tight (see TELESCOPE CONTROLS, page 8).
Telescope does not move past a certain point:
• The built-in vertical or horizontal rotational “stops” may have been reached (see NOTE with bullet ᕧ, page 6).
Telescope pauses when changing slew direction:
• This pause is normal (see ARROW KEYS, page 8).
A terrestrial object appears reversed left-for-right:
• An eyepiece in the standard 90° observing position (4, Fig. 1) reverses an object left-for-right: To view a
correctly oriented image requires the optional #932 Erecting Prism (see OPTIONAL ACCESSORIES, page
21).
Meade Customer Service
If you have a question concerning your ETX model, call the Meade Instruments Customer Service
Department at (949) 451-1450, or fax to (949) 451-1460. Customer Service hours are 8:30
AM to 4:30 PM,
Pacific Time, Monday through Friday. In the unlikely event that the ETX requires factory servicing or repairs,
write or call the Meade Customer Service Department first, before returning the telescope to the factory,
giving full particulars as to the nature of the problem, as well as your name, address, and daytime telephone
number. The great majority of servicing issues can be resolved by telephone, avoiding return of the
telescope to the factory.