In both SWMM and TFMM, a mass change for number of lanes requires that events be unseeded.
  1. If events are already seeded, go to File > Purge > Reset Event Results and Seeding > Select All > Re-Set
  • Note: Changes all events back to unseeded
  1. Go to Set-up > Options
    1. ​Select 3rd (Prelim Rounds) and/or 4th (Final Rounds)
  • Note: These options allow mass changes for number of lanes for all events
  1. Enter number of lanes to change events to (on the right)
  1. Click OK
  2. Select All Events or a specific session to change number of lanes for (in screen that appears), then click OK
  3. Click Yes to confirm choice on final screen