iOptron G-R80 ユーザーズマニュアル

 
 

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The 8402 HC consists of a large 4-line LCD screen, which displays all the information as shown 
in Figure 2. The user interface is simple and easy to learn. 

 

 

 

Figure 2. 8402G HC LCD Information Screen 

 
1.  Target Name: display the name of the 

target that telescope is currently point 
to. 

•  Park Position: A default position when 

the mount is turned on, i.e., the 
telescope is point to zenith (altitude is 
90º) and the mount is facing south 
(azimuth is 180º); 

•  An object name, such as “Mercury” or 

“Andromeda Galaxy”: Name of the 
celestial object or land target that is 
currently slewing, gotoing, observing or 
tracking;  

2.  GPS Status: when the power is turned 

on, it shows “GPS ON”, which means a 
GPS receiver is connected. When the 
GPS receiver finds the satellite and 
receives GPS signal, it shows “GPS 
OK”. The “GPS OK” may turn off after 
few minutes. 

3.  Slew speed: It has 5 speeds: 2X, 8X, 

64X, 256X(1º/sec), MAX(4º/sec). Press 
SPEED key to change it. 

4.  Tracking speed: display current 

operation mode of the mount 

•  Land: the mount is operating at a land 

mode. 

•  Cel., Sol. or Lun.: the mount is tracking 

an celestial object at Sidereal, Solar or 
Lunar speed. 

5.  Altitude of the telescope (zenith is 90º). 

6.  Azimuth of the telescope (north is 0º, 

east 90º, south 180º, and west 270º). 

7.  Local Date and Time: display local time 

in a format of YYYY-MM-DD 
HH:MM:SS. 

8. 

N/S Hemisphere: display the 
observation hemisphere.  

 

GPS Status 

Declination 

Azimuth 

Slew Speed 

Target Name 

Right Ascension 

Altitude 

Local Date and Time 

Target R.A. 

Target DEC. 

Tracking Speed 

N/S Hemisphere