Smooth Fitness VT-3.4 Owner's Manual page 13

"O
I
PERATION
H
OW TO ADJUST THE STRIDE LENGTH
The Vertical Trainer is equipped with four adjustable stride length options ranging from 19'' (483mm) to 22'' (539mm)
a. To adjust the stride length, loosen and pull the Spring Knob (48). Slide the Pivoting Arm (12) up or down to the
proper desired position
b. Release the Spring Knob (48) and make sure the pin on the knob locks into the adjustment hole on the Pivoting Arm
(12).
c. Repeat the above process to adjust the stride length on left side
NOTE:
1. Always adjust the Right & Left Pivoting Arm (12) to the same length.
2. Completely tighten Right & Left Spring Knob (48) before exercising
NSTRUCTIONS"
13