Hi Belletristik Thanks for your advice. Actually I have checked on the internet and found the operating manual but have not been able to find any indicative instruction for disc editing on the main unit. For this URL : {http://www.minidisc.org/brian_youn/immt880/index.htm}, it is clear enough that without the remote, the main unit is not capable of editing discs i.e. erasing tracks or even discs. Too bad. dday506. Hi Jaylen thanks for your suggestion. I was only given the main unit, the external battery casing and the stand and nothing else. For your info, from the evaluation taken from this URL : {http://www.minidisc.org/brian_youn/immt880/index.html}, it is rather clear the main unit is not capable of editing discs. Sigh...