Muratec M860 Operating Instructions Manual page 65

Answering Machine
Rec.Time: 59sec.
Rec.Time: 58sec.
---- and so forth, down to 00.
Note: Remember, you have 60 seconds to record your message.
4. If you finish your memo in fewer than 60 seconds, press play/stop (only
once) to stop recording. Otherwise, the fax machine will beep and
automatically stop recording at the 60-second mark.
If you want to save a new memo, just record it over the existing one using the
steps above. Your new message will replace the previous memo.
4.6