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R.A. Index Calibration -
This procedure records the offset of the RA index marker from
the meridian. To perform an RA Index Calibration, the mount must be polar aligned and a
two star alignment must have been performed with calibration stars.
•
Calibrating the RA index will improve the pointing accuracy to the initial
alignment stars when the mount has been polar aligned
To successfully calibrate the R.A. index of your telescope, you should follow a
complete alignment process which includes the following:
-
Complete a Two-Star alignment adding three calibration stars at the end. (See
Alignment Procedures earlier in this section).
-
Use the Polar Align Utility feature to polar align your telescope as described later
in this section.
-
Once polar aligned you must re-align your telescope using the Two-Star
alignment method and adding calibration star as an option.
-
Finally, use the Utility/Calibrate Mount/ R.A. Index feature to properly calibrate
the R.A. axis of the mount.
•
GoTo Calibration – Goto Calibration is a useful tool when attaching heavy
visual or photographic accessories to the telescope. Goto Calibration calculates
the amount of distance and time it takes for the mount to complete its final slow
goto when slewing to an object. Changing the balance of the telescope can
prolong the time it takes to complete the final slew. Goto
Calibration takes into account any slight imbalances and
changes the final goto distance to compensate.
Home Position –
The telescope’s "home" position is a user-definable
position that is used to store the telescope when not in use. The
home position is useful when storing the telescope in a permanent
observatory facility. By default the Home position is the same as the
index position used when aligning the mount. To set the Home
position for your mount simply use the arrow buttons on the hand
control to move the telescope mount to the desired position. Select
the Set option and press Enter.
Polar Align
Display Align
–
the user can now display the polar alignment
error in both the Azimuth and Altitude axes. These values can
assist you in knowing the amount and direction of your error
when polar aligning.
Align Mount
-
The Advanced GT has a polar alignment
function that will help you polar align your telescope for
increased tracking precision and astrophotography. After
performing a two star alignment, the telescope will slew to
where Polaris should be. By using the equatorial head to
R.A. INDEX
GOTO
CALIBRATE MOUNT
GOTO
SET
HOME POSTION
DISPLAY ALIGN
ALIGN MOUNT
POLAR ALIGN
LIGHT CONTROL
PRESS UNDO
PRESS "0"
FACTORY SETTING
VERSION
GET AXIS POSITION
GOTO AXIS POSITION
HIBERNATE
SUN MENU
SCROLLING MENU
SET MOUNT POSITION
TURN ON/OFF GPS
UTILITIES
