Have a look at this http://techdocs.shimano.com/media/techdocs/content/cycle/SI/CycleComputer/SC_6502_6501_M500/SI-7AP1F-ENG_v1_m56577569830686508.pdf
@Dammit started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Have a look at this http://techdocs.shimano.com/media/techdocs/content/cycle/SI/CycleComputer/SC_6502_6501_M500/SI-7AP1F-ENG_v1_m56577569830686508.pdf