Background
DOpus has the nice feature of allowing the user to invoke different lister "modes" quickly and easily with the keyboard. This terminology might not be correct, so to understand this, just type the following into a DOpus lister.
Examples
:(colon character) -- this invokes "select mode"
F(alphanumeric) -- this invokes "find mode"
?(question mark) -- this invokes "command mode"
Question
The question is this, is there a "quick keyboard equivalent" that allows the user to select "filter mode"? (i.e., where you can "directly enter a wildcard pattern to filter files visible in the current lister").