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6.5.11. Update Firmware
Firmware updating using iOptron
Downloader through USB port on hand
controller. (Refer to Appendix E.)
6.5.12. Set gear ratio
Reserved for future products.
6.5.13. Set Language
Select hand controller language.
6.6. Align
This function is used for aligning the
telescope. In addition to “Easy One Star
Align,” the system also provides “One Star
Align” and “Two Star Align” for Alt/Azi
mount. “Three Star Align” is only supported
by EQ mode.
6.6.1. One Star Align
From the main menu select “Align”. Select
“One Star Align”. Use ▲ and ▼ buttons to
select a star and press ENTER. A list of
align planets or stars that are above the
horizon is computed based on your local
time and location. Use arrow buttons to
move the telescope and center the star in
your eyepiece. You can use the number
buttons to change the slew speed.
Press ENTER when finished. If your setup
is leveled well, one star alignment should be
sufficient for good GOTO accuracy. To
increase the accuracy you may choose to
do two star alignment.
6.6.2. Two Star Align
Two star alignment will increase the GOTO
accuracy of the mount. It is suggested to do
two star alignment after one star alignment.
Two star alignment requires a wider view of
the sky, since the two align stars need to be
far apart. Select “Two Star Align” in the
Align menu. When you finish the first star,
the system will prompt you to choose the
second star. If the star you choose is too
close to the first one, the system will let you
choose another one. When you are aligned
with the second star, two star alignment is
finished. You can reject the suggested star
if it is blocked by the tree or behind the
house.
“Two Star Align” results will be overridden if
“One Star Align” or “Sync. to Target” is
performed after “Two Star Align.”
6.6.3. Three-Star Align
It will increase the accuracy even higher
and requires an even wider view of the sky.
This basically asks you to choose a third
star to align after two-star align. Three star
alignment is not available for Alt/Azi mode.
6.6.4. Dis R.A axis error
This only works for EQ mode. This displays
the celestial pole point error. Point error is
zero when you power on the mount (unless
you “Park Telescope” before powering off.
6.6.5. Test Anti-backlash
This command tests the backlashes in both
R.A. and DEC. The saved numbers will
show in “Set Anti-backlash” menu.
However, if no high accuracy is needed or
your equatorial mount is not a high accuracy
unit (i.e. the worm gear has different
clearance in different positions) you can
omit this procedure.
This command only works for EQ mode.
6.6.6. Polaris Position
This shows Polaris position.
6.7. PEC Option
Periodic Error Correction (PEC) is not
supported in Alt/Azi mode.