b rock Cut or Reso LFOs won't be effective without a Filter enabled. Even then, if the Cutoff knob is at the default 22,350 Hz., you won't hear much of the LFO influence. LFOs modulate above and below where the target parameter's main configuration settings are. Select a 'deeper' filter, bring the Cutoff knob to the midway point, and the LFO action will become more obvious.
scookThere is a help file, if the F1 key does not bring it up, the file is "C:\Program Files\Cakewalk\Dimension Pro\Documentation\Dimension.chm".