To display messages online, issue the following query at the FOCUS command level:

? nnn

where:

nnn

Is the message number.

The complete error message number (FOCnnn) is then displayed along with an accompanying explanation of the message (if one exists). For example, issuing the following command:

? 500

displays the following message:

(FOC5OO) SU. COMMAND NOT RECOGNIZED:

An invalid HLI command was issued. For example: NXT rather than the NEX command.