vector logbook problem

[belluaire]

hello, I can't clear my vector's logbook, I have done according to the user manual, but it is useless

	Suunto Vector - Click for more info Suunto's original Wristop Computer, the Vector changed the face of sport watches forever with its groundbreaking combination of features, including an altimeter, barometer, electronic compass, digital log book, and watch. Introduced in 1998, the Vector was the first watch to make it to the summit of Mt. Everest. In addition, the Vector won the prestigious European Outdoor Award - Product of the Year in 1999/2000.