If you think you will be doing a lot of adjusting, consider a Bob's Hydraulic. As Pat stated, Rapid Jack is the best and is probably the easiest to adjust but still a pain if you are going to do it very often.
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
Bitter Gun Owner