Hand controller for AstroLink 4 USB device. Should be connected to the AUX input of the AstroLink. Can be used to manually adjust focusing for example during visual observations or planetary imaging.
- UP – move focuser outwards (increase steps)
- MIDDLE – cycle motor speed between x1, x1/2, x1/4, x1/8
- DOWN – move focuser inwards (decrease steps)
The buttons in the controller are slightly back-illuminated with red LED diodes. This feature can be turned off.