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Chapter.1 set up and alignment – iOptron GoToNova 8401 User Manual

Page 10

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Appendix:
Check Appendix D for a
brief introduction of
celestial coordinate
systems































Chapter.1 Set Up And Alignment



1.0 Basic Symbols

R Right ascension
D Declination
A

Altitude

Z

Azimuth

Cele

Sidereal speed

Sola

Solar speed

Moon

Lunar speed

Land

Land mode

nnX

Slewing speed


1.1 Set Up

By default, the mount works in Alt-az mode. Turn on the
power button located on the mount. You will see the iOptron
logo screen. Then you will see the zero position screen:
TR.A. 1h36m

2s

TDEC 90°0’ 0”
R.A. 19h52m

5s

DEC 47°31’16” 64X
Lgst 7h52m38s Stop
Alt.

0°0’ 0”

Azi.

0°0’ 0”

2007-07-10 14:25:23 N

When the power is turned on you will see “G_ON” (GPS
turned on) in the upper right corner of the screen. In about a
minute, after the internal GPS communicate with the
satellites, you will see “G_OK” on the screen. Both time and
location are automatically set. Setup is finished in Alt-az
mode.
If there is no GPS connected refer to 0.2 Getting Started on
how to manually set up time and location.
The mount can also work in equatorial mode. Tilt the mount to
the appropriate angle and point it to the polar star. Go to “Set
up GotoNova”, select “Set Mount Type”, and select Equatorial
mode.

1.2 Align
1.2.1 One-Star

Align

From the main menu, select “Align”. The system provides for
“one-star align” and “two-star align”.
Select “one-star align”. You will see this screen: