[TowerTalk] F-12 340N question

[Jim Thomson]

I have a F-12  340N.   Manual claims you can shift the ele  resonance points  by adjusting the eles.   6 inchs  per side = 100 khz.

Now do they mean tweak the .375 inch tips.... OR do they mean  tweak the adjustable linear loading rods ????   The tips are riveted. 
It would make a lot more sense to tweak the LL rods..and leave the tips alone.   Makes more sense to me to make the ele max length
and use LESS LL  if you want to move the freq up higher in the band. 

Does anybody have experience with this..or know the answer ?   The new owner of F12  doesn’t  know either. 

tnx in advance.......... Jim  VE7RF