iOptron G-MC90 Manuel D’Utilisation

the GOTO accuracy in nearby sky. Multiple
syncs can be performed if needed.

“Sync to Target” will only work after “Select
and slew” was performed. You may need
using SPEED key to change the slewing
speed to make the centering procedure
easier. A default slew speed is 2X.

5.5. Electric Focuser

If you have an electric focuser in your
system and it is supported by GOTONOVA,
use this option to adjust the focuser. Use
◄► for coarse tuning and ▼▲ for fine
tuning.

Refer to your Electric Focuser operation
manual for detailed instruction.

5.6. Set Up Controller

5.6.1. Set Up Time and Site

• Please refer to section 4.2.

5.6.2. Set Display Info

• Adjust LCD Contrast

Use arrow keys to adjust LCD display
contrast. Press ENTER.

• LCD Back Light.

Use arrow keys to adjust LCD screen back
light intensity. Press ENTER.

• Keypad

Backlight.

Use arrow keys to adjust keypad backlight.
Press ENTER.

5.6.3. Set Key Beep

Turn the key beep on/off.

5.6.4. Reset All

Reset all settings to factory default data.

5.6.5. Update Firmware

Firmware updating using iOptron
Downloader through USB port on hand
controller. (Refer to Appendix E.)

5.7. Align

This function is used for align the telescope.
Before star alignment, please make sure the
mount is well leveled. The system also
provides “Easy One Star Align”, “One Star
Align” and “Two Star Align”. Any one can be
selected for telescope alignment.

5.7.1. Easy One Star Align

From the main menu, select “Align”. Select
“Easy One Star Align” and press ENTER.
Three most popular objects, such as Moon,
a planet or a bright star that are above the
horizon will be provided for selection. Use
▲ or ▼ button to select an alignment star
and press ENTER. Then manually slew the
telescope to the object and center the object
in your eyepiece using ◄ ► ▲ or ▼ key.
Press SPEED button to adjust the slew
speed. Then press ENTER to complete the
alignment. Or press the BACK key to cancel
the process.

LCD Back Light

Adjust LCD Contrast