Serial port: connect the HC to a computer via a RS232 to 4P4C RJ9 cable. The pin-out of
the serial port is shown in Figure 10.
Figure 10. Serial port pin-out on an 8407+ hand controller
2.4.2. The LCD Screen
The 8407+ HC has a large 8-line, 21-character per line, LCD screen which displays information
on the status of the mount as shown in Figure 11.The user interface is simple and easy to operate.
Figure 11. 8407+ HC LCD Information Screen
1. Target Name/Mount Position: displays the name of the target that telescope is currently pointed to
or the current mount position.
Zero Position: The reference position for GOTO. The mount can move to Zero Position
using “Goto Zero Position” or “Search Zero Position” command;
User Position: The mount is pointed to a user defined position, which could be a particular
celestial object or simply a position determined by pressing an arrow key;
An object name, such as “Mercury” or “Andromeda Galaxy”: Name of the star or celestial
object that the mount is currently slewing to or tracking.
2. Target R.A.: Right Ascension (R.A.) of the target object.
3. Target Declination: Declination (DEC) of the target object.
4. Right Ascension: Current R.A. of the telescope.
5. Declination: Current DEC of the telescope.
6. Altitude: Altitude of the telescope (degrees vertical from the local horizon - zenith is 90º).
7. Azimuth: Azimuth of the telescope (north is 0º, east is 90º, south is 180º, and west is 270º).
8. Local Date and Time: displays the local time in a format of YY-MM-DD HH:MM:SS.
9. Mount Status: Displays the current operational status of the mount.
Stop: mount is not moving;
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