Tempo Sync???

i have novation sl 25, and i have tap tempo button, but im dont known how to sync my renoise with tempo of my novation???

gratings

You have to slave Renoise to your SL i suppose, it tempo-syncs to a Midi master if slaved.
http://tutorials.renoise.com/wiki/Preferences#Midi_Clock_Slave

Then the midiclock icon appears on the transport control area:
http://tutorials.renoise.com/wiki/Transport_Panel

If you toggle that one, it should sync to it’s master. If it responds properly to “tapping” i don’t know though.