Questions & Answers for: ds40

where I can obtain that information? I would recommend contacting the dealer whom you purchased the DS40 from. Many times, they keep track of the License ID numbers for cases like this

is the small post on the back of the speaker the ground Yes

Heater matrix is blocked on ford escort van i used fernox ds40 drain cooling system first you may have to disconnect one pipe from matrix to empty it in first instance it will circulate whole engine ...

How do I get rid of terrible crackling when playing back? When I was recording I think the recorder was too close to my computer and/or aircon and the crackling is making parts of the files inaudible.