I have an R-1. I lent it to one of my students and now that he has returned it, it is only able to record for about 90 seconds before displaying "battery low." Then the recording stops. This is with new Lithiums.
He claims that it could only record for one minute since I lent it to him.
Has anyone else had this problem, and if so how was it caused? (Dropping the machine, attaching the wrong powersupply, or if I am really lucky setting it to record in some sort of super bit rate mode).