MIDI clock question

Hi Everyone,

Once I stop recording or playing the sequence, the MIDI clock doesn't work.
In other way, when it's running all the synths follow the mpc MIDI clock (like delay, arpeggiator, etc..), but when I hit stop all the clock on the synths goes back to their own internal clock.
Why?

Because the MPC stops sending clock data when you stop it.

Otherwise when you start it again the clock data would be out of phase anyways...

That make sense. Thank you.