5-2 Echo Liquid Handler User Manual5.1 Protocols windowThe PROTOCOLS tab is the first window that opens when you start the Echoliquid handler software. The Protocol List displays the liquid transferprotocols that are stored in the Echo database. A tool tip displays many ofthe protocol parameters. From the P ROTOCOLS window you can performthe following tasks• ADD (create) a new liquid transfer protocol definition.• EDIT (change) an existing protocol definition.• REMOVE (delete) an existing protocol definition.• RUN (execute) a liquid transfer protocol.Figure 5.1 The Protocols windowEcho software can be used to create several types of transfer protocols.Examples of protocols that can be created with the Echo software are listedin the following table and described later in this section.