These can be input with tab key. Pressing the tab key would advance the carriage to the next tabulator stop. Before the mid-1940s, cheques were processed manually using the Sort-A-Matic or Top Tab Key method. Approaching the 1940s, two popular methods were Sort-A-Matic and Top Tab Key. The active panel and passive panel can be switched (often by pressing the tab key). The horizontal tab is usually generated by the Tab key on a standard keyboard. The Tab key advances the cursor to the next tab stop. The primary added feature is command and file "auto-completion" via the Tab key. Tab key toggles the current view mode circularly.