It can be remotely controlled via an Ethernet or Serial connection. The keypad on the front panel can also be used to control the attenuators or setup the network settings. Attenuators can be controlled individually or grouped into blocks. Use the remote command Set Block to form a group of attenuators. Use the Fade Block to step the attenuation setting of the attenuator group from one dB setting to another dB setting over a specified duration of time.