iOptron SmartStar 8403, Instruction Manual

12

or 

2.  Turn the mount power on. Press the 
SPEED button to select a slew speed (MAX 
for fast slew and 2X for fine tuning). Turn 
the SOUTH mark pointing to south using 

►

or 

◄

 button. An additional compass may 

needed. Rotate the telescope point to the 
zenith using 

▲

 or 

▼

 button. A torpedo level 

may help. Then turn the mount power off 
and turn it on. Or you can press MENU, 
scroll down to “Set Telescope Coord.”, 
press ENTER. The default number is “Alt: 
90º00.0’ and Azi: 180º00.0’”. Press ENTER 
to complete the initialization. 

4.2. Setting Up the Mount 

4.2.1. Set Up Time and Site 

This is very important to make sure the 
telescope will point to the right direction.  

Press MENU button, from the main menu, 
scroll down and select “

Set Up Controller

” 

Press ENTER. Select “

Set Up Time and 

Site

” 

Press ENTER. The “Set Local Time” screen 
will show: 

Set local time

:  

Use the 

◄

 or 

►

 key to move the cursor, 

and the 

▲

 or 

▼

 button to change the 

numbers.  

Set daylight saving time:

use 

▲

 or 

▼

 button to toggle the Daylight 

Time Saving between X, which means “No” 
and 

√

, which means (Yes). Press ENTER to 

go to “Setup Site Info” screen: 

“W/E” means west/east hemisphere; “N/S” 
means north/south hemisphere; “d” means 
degree; “m” means minute; and “s” means 
second.  

Set site coordinates:

Use the 

◄

 or 

►

 key to move the cursor, 

and the 

▲

 or 

▼

 button to change the 

numbers or toggle between “W” and “E”, “N” 
and “S”. 

The site coordinates information can be 
found from internet, such as GPSVisualizer 
(

http://www.gpsvisualizer.com/geocode

), by 

enter the a city name or address.  

In case you only find the site information in 
decimal format, you can convert them into 
d:m:s format by times the decimal by 60. 
For example, N47.53 can be changed to 
N47º31'48”: 47.53º = 47º +0.53º, 
0.53º=0.53x60'=31.8', 0.8'=0.8x60"=48". 
Therefore, 47.53º=47º31'48" or 47d31m48s. 
Same as N47º31.8’: 31.8’=31’+0.8’, 
0.8’=0.8x60”=48”. 

Set time zone 

Press 

◄

 or 

►

 key, move the cursor to the 

bottom of the screen to set the 

time zone

information (add or subtract 60 minutes per 

Setup Site Info: 
 Longi: W071d27m47s 
 Lati : N42d15m40s  
300  Min.  behind   UT 

Set Local Time: 
 2009-06-01 11:55:09 
Daylight Time Saving X 

Select and slew 
Land Objects 
Sync. to Target 
Set Up Controller 

Set Up Time and Site 
Set Display Info 
Set Key Beep 
Reset All