The EN2000A7 is an auxiliary product for use with the EN2000A4-A6, A8 (no LCD type). The parameter setup and management for multiple EN2000A4-A6, A8 (no LCD type) instruments can be executed by a single EN2000A7. The setup instrument can be directly connected to EN2000A4-A6, A8 (no LCD type) instrument s through a USB port that is simple and easy of use.