welcome to the forums!
what are you trying to do with the q-links?
unfortunately akai decided not to implement the q-links as generic midi controllers, so they don´t send out normal midi messages.
if you read the manual it shows that the range of every q-link button or fader is dependant on the setting it is used.
e.g. if you use a q-link to control the tune the range is from -120 to +120, if you control level the range is from 0 to 100 and if you control cutoff or resonance it ranges from -50 to +50. see the manual for the values of other controls.
also there is a big difference wether you use the note on or the real time recording of q-link events - note on gets recorded with the pad event and real time will be recorded as a seperate q-link event.
if you set two q-links (a knob and a fader) to the same settings in the q-link menu and compare them - do they act different like you described?
what is a signature?