iOptron IEQ45TM instruction manual Guide Options, Set Slewing Rate, Park Scope, Set Guider Rate

A more useful application of this function is to store your favorite viewing objects before heading to the filed. When “Add a New Record” screen shows, press the MENU button, it brings up the star catalogs that you can select the star from. Follow the screen to add your favorite objects. Press BACK button to go back one level.

Press BACK button few times to go back to Set User Objects. You may review the records or delete the ones you don’t want it anymore. Press BACK button to finish the operation. Now you can slew to your favorite stars from User Objects catalog using “Select and Slew.”

5.9. Guide Options

5.9.1. Set Guider Rate

This is an advanced function for autoguiding when a guiding camera is equipped either via an ST-4 guiding port or an ASCOM protocol. Before autoguiding, align the polar axis carefully. Select a proper guiding speed. The suppositional guiding speed can be selected from ±0.20X to ±1.00X. Follow the autoguiding software for detailed operation.

5.9.2. Guide Port Direction

The Guide Port iEQ45 equipped is capable to handle an ST-4 autoguiding camera with both straight and a reverse wired RJ11 guiding cable. Select “Reverse” option in the “Auto Guide” function for an ST-4 camera with a reversed RJ11 guiding cable, as shown in Figure 21.

Figure 21. ST-4 guiding port wiring direction

5.10. Set Slewing Rate

You can select the maximum GOTO speed to be 128X, 256X, 512X, or MAX. The slower the speed, the quieter the motors run.

5.11. Park Scope

There are two parking positions: east side or west side. The mount my move to either position depends on which one is closer, when “Park Scope” is selected. The mount will remember the Zero Position if the power is turned off after “Park Scope”.

31