iOptron IEQ75-GTTM instruction manual R.A. Balance Test

Models: IEQ75-GTTM

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Figure 17. R.A. Balance Test

A “Testing R.A. Balance” screen will be displayed. Press the ENTER key to start the test. After few swings, a test results will be displayed on the hand controller LCD screen:

Figure 17. R.A. Balance Test

Follow the arrow indicator to move the CW left or right. The more the arrow is shaded, the more the CW needs to be moved. Press the ENTER key to test it again, until the OK sign is displayed or ¼ or less of the arrow key is shaded.

Press ◄ ► ▲ or ▼ button on the hand controller to toggle between R.A. and DEC testing. Press ENTER to start the DEC balance test. Move the telescope back and forth to balance the OTA around the DEC axis.

Figure 18. DEC Balance Test

NOTE: If you are located in southern hemisphere, Sigma Octantis will be chosen for Polar Alignment. For example, on May 20, 2010, 20:00:00 in Sydney, Australia (Lat S33º51’36” and Long E151º12’40”), 600 min ahead of UT, the Sigma Octantis Position is 1hr21.8m and 64.4m.

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iOptron IEQ75-GTTM instruction manual R.A. Balance Test