How to Use Your Meade LX90GPS Schmidt-Cassegrain Telescope to Find True North

Finding "true north" with your telescope is part of the "Automatic Alignment" process. Once you complete it, you telescope will be oriented and ready for use. Just follow these instructions.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

• Meade LX90GPS Schmidt-Cassegrain telescope

1. For the "Automatic Alignment" process, be sure that you have tightened the Dec and RA locks and correctly attached the Autostar to the telescope.
2. Turn on the telescope.
3. Press "0" to start the "Automatic Alignment" process. Press "0" to align or "Mode" for the menu on the display.
4. "Automatic Alignment" will display. The telescope will automatically perform several procedures such as detecting the level of the base of the telescope, finding north, and attempting a GPS Fix.
5. The telescope will align two stars to orient itself. This process starts when "Automatic Alignment: Selecting Star" and "Slewing" appear on the display. When the telescope is ready, "Center Brightest Star: Press Enter" appears on the display. Using the arrow keys, center the brightest star in the eyepiece and press "Enter."
6. The telescope will move to the second alignment star. "Center Brightest Star: Press Enter" will appear on the display. Using the arrow keys, center the alignment star in the eyepiece and press "Enter."
7. "Alignment Successful" will display.

Tips & Warnings

• If you see "Alignment Unsuccessful" in the display in step 7, repeat step 6.
• If a building or other object obstructs your view in step 5, press the scroll down key to align upon another star.

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