About the IS2020DDIAG1AB
Unit model IS2020DDIAG1AB was designed by General Electric and marketed as a Navigation Drive Controller. This model can be used with either the Innovation or Mark VI Series. On the front of this model, there is a small LCD screen as well as two sections labeled drive and navigation which can be used to help control whatever other modules this unit has been connected to. To the right of the navigation sections, there are two keys used for switching the DDIA unit on and off.
In the drive and navigation sections of this unit, there are a number of keys that are used to control several different functions. The main functions that are controlled in the drive section of the IS2020DDIAG1AB unit are the speed, jog, and remote/local communications, and can even potentially reset faults. The speed control keys on this unit are keys labeled - and + indicating that the speed control can be increased or decreased. Please note that the drive keys will all be blue.
The navigation section of this device is on the far left and is typically orange. Four of the keys in the navigation are arrow keys which can be used to aid navigation with the menu. There are two keys to the far left inside of the navigation section which are labeled as status and menu keys. The two keys along the bottom of the navigation section are labeled as escape and enter to aid in exiting the menu as well as selecting what is needed within the menu.