Search found 34 matches

by Archie
03 Feb 2019 19:49
Forum: Sensors
Topic: Logitech Marble
Replies: 0
Views: 153

Logitech Marble

Released in 1994, it was a revolution in the optomechanical era. For the first time, it allowed contactless reading of ball surface movement, eliminating whole set of problems associated with earlier designs: skipping, uneven movement, frequent cleaning. Principle of operation requires special patte...
by Archie
03 Feb 2019 19:40
Forum: Trackballs
Topic: Logitech TrackMan Marble FX
Replies: 0
Views: 355

Logitech TrackMan Marble FX

Ball size: 2 1/16" (52.5mm) M/N: T-CJ12 P/N: 804251-0000 PnP ID: LGI8049 Marble FX is often considered to be one of the best Logitech trackballs. Very unusual design looks a bit funny, but convenience of use is tremendous: it's quite convenient for long work. Ball and buttons arrangement is quite er...
by Archie
01 Feb 2019 21:49
Forum: Site information
Topic: About this site
Replies: 0
Views: 151

About this site

It took me long time to create Trackballs.EU... The story is simple: being trackball user, I've always been in search of my "ideal trackball". For many years, I've tried almost all available finger-operated models, and selection of every next one motivated me to collect available information. Browsi...
by Archie
01 Feb 2019 14:35
Forum: Modding
Topic: Logitech T-CJ12
Replies: 0
Views: 294

Logitech T-CJ12

Main article about this device: Marble FX's combo PS/2-serial interface is outdated. Software support for 4th. button (small red one) is a biggest problem with this trackball nowadays, as it requires real PS/2 port for proper initialization (in othe...