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I 23
- Negative is the amount of compensation
applied when you release the button, winding
the motors back in the other direction to
resume tracking.
To adjust, press ENTER. While viewing an object in
the eyepiece, observe the responsiveness of each of
the four direction buttons. Note which directions you
see a pause in the star movement after the button
has been pressed. Working one axis at a time, adjust
the backlash settings high enough to cause imme-
diate movement without resulting in a pronounced
jump when pressing or releasing the button. Now,
enter the same values for both positive and negative
directions. If you notice a jump when releasing the
button, but setting the values lower results in a pause
when pressing the button, use the higher value for
positive, but use the lower value for negative. The
telescope will remember these values and use them
each time it is turned on until they are changed.
Custom Rate 9: Customizes the speed at which
the mount slews to a target. Press ENTER to view
the current rate and highest possible rate. The value
is displayed in degrees per second. Press ENTER
to get to the value you want to edit and enter the
desired value. Then press ENTER again to confirm.
PEC (Periodic Error Correction for Equatorial
Mounts): Periodic Error Correction, or PEC for
short, is a system built into some telescope mounts
that improves the tracking accuracy of the drive by
reducing the number of user corrections needed
to keep a guide star centered in the eyepiece.
PEC is designed to improve imaging quality by
reducing the amplitude of the worm errors. Refer to
your telescope instruction manual for details about
Periodic Error Correction.
Set Axis Position: References the alignment if the
clutches are disengaged. For instance, you might
use this feature if you needed to rebalance the
mount after having completed an alignment. To set
the mount position, simply slew to a bright star in
the named star list and select Set Axis Position.
The hand control will sync on the star by asking
you to center the star in the eyepiece and pressing
the Align button. Once synced on the star, you are
free to manually move the mount in both axes in
order to rebalance. When you are ready to slew the
telescope to your next object, manually return the
tube to the same bright star and carefully center it
in the eyepiece. Using this tool will invalidate the
PEC index.
Home Position: Some telescopes have index
marks or switch positions. Home Position will return
the telescope to this location.
Hibernate: Hibernate allows the telescope to be
completely powered down and retain its alignment
when turned back on. This not only saves power,
but is ideal for those that have their telescope
permanently mounted or leave their telescope in
one location for long periods of time. To place your
telescope in Hibernate mode:
1. Select Hibernate from the Telescope Menu.
2. Move the telescope to a desired position and
press ENTER.
3. Power off the telescope. Remember to never
move your telescope while in Hibernate mode.
Once the telescope is powered on again, the
display will read Wake Up. After pressing Enter,
you have the option of scrolling through the time/
site information to confirm the current setting.
Press ENTER to wake up the telescope.
Hint: Pressing BACK at the Wake Up screen
allows you to explore many of the features of the
hand control without waking the telescope up from
hibernate mode. To wake up the telescope after
BACK has been pressed, select Hibernate from
the Telescope menu and press ENTER. Do not
use the direction buttons to move the telescope
while in hibernate mode.
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