DX1 INPUT SYSTEM The DX1 Input System includes a Pad, a removable Tray, 25 numbered Keys with a storage tray, preprinted labels, an installation CD and a Quick Start Guide. THE DX1 PAD The Pad connects to the computer via a USB cable. The pad contains two buttons. The button next to the Ergodex icon brings up the software at a single touch. The second button is a Record Button, which allows Macros