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5.4.5. Set Eyepiece Light
Use this function to adjust the light intensity of iEQ45 illuminated polar scope. If you have an
illuminated-reticule eyepiece and it is supported by Go2Nova hand controller, use this option to adjust its
light intensity.
5.4.6. Heating Controller
Turn on/off the controller internal heater.
5.4.7. Upgrade RA & DEC
Use this operation to upgrade 8407 hand controller R.A. and DEC motor controller firmware. It only
needed under a very rare circumstance. Please refer to iOptron online announcement when the event
happens.
Please refer to iOptron online documents for iEQ45 main control board and 8407 hand controller
firmware upgrade details.
5.4.8. Firmware Information
This option will display firmware version information of hand controller, main board, R.A. control
board and DEC control board.
5.5. Align
This function is used for aligning the telescope. The system provides three alignment methods: “One
Star Align”, “Two Star Align” and “Three Star Align”. The mount has to be at Zero Position before perform
any star alignment.
5.5.1. One Star Alignment
Press MENU button and select “Align”. Select “One Star Align” and press ENTER. A list of
alignment stars that are above the horizon is computed based on your local time and location. With the
mount at the “Zero Position,” use ▲ and ▼ buttons to select a star and press ENTER. Center the target in
your eyepiece using arrow key. Press ENTER when finished. If your mount is well set up and polar aligned,
one star alignment should be sufficient for good GOTO accuracy. To increase the accuracy you may
choose to do two star alignment.
5.5.2. Two Star Alignment
Two star alignment will increase the GOTO accuracy of the mount. Two star alignment requires a
wider view of the sky, since the two align stars need to be far apart. Press MENU button and select “Align”.
Select “Two Star Align” in the align menu. A list of alignment stars that are above the horizon is computed
based on your local time and location. With the mount is at the “Zero Position,” use ▲ and ▼ buttons to
select first alignment star and press ENTER. Center the target in your eyepiece using arrow key. Press
ENTER when finished. The hand controller 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, the two star alignment is finished. You can reject the suggested star if it is blocked by a tree or
other obstruction.
After the two-star alignment, a pointing error between the R.A. axis and the polar axis will be
recorded. This number can be used to fine tune the R.A. axis.