Vixen SPHINX SXD Mount - Manual (Page 61)

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(3) There is an Allen bolt beneath the altitude adjustment clamp.
Loosen the Allen bolt with the supplied Allen wrench and remove it.
(4) Loosen the altitude adjustment clamp again while securely holding down the SX mount
body.
(5) Move the SX mount body slowly to shift the range of the altitude adjustment to the high
latitude zone or low latitude zone. When you shift to the high latitude zone, set the
altitude to 50 degrees and when you shift to the low latitude zone, set the altitude at 15
degrees. When you have set the zone, tighten the altitude adjustment clamp.
(6) Replace the Allen bolt to its original position and tighten it securely with the Allen
wrench.
(7) Again, loosen the altitude adjustment clamp so that you can move the SX mount body.
Turn the altitude adjustment knob to set the altitude to the latitude of your observation site
(8) Tighten the altitude adjustment clamp and complete the altitude adjustment.
Note: The SX/SXD equatorial mounts are not available for the polar alignment over 70 degrees in latitude and
north or 70 degrees south in the southern hemisphere.