[wellylug] drive speed record

[E.Chalaron]

Hi there
Is anybody using DVDrecord ? I want to burn at speed=2 :

dvdrecord -v -dao dev=0,0,0 speed=2 racing_days.iso

Here is the reply :
Starting to write CD/DVD at speed 4 in dummy mode for single session.

??????????
The man page indicates clearly the speed=#

Anybody any idea ????

Thanks a lot.
Edouard