Calculated Industries 6414 - Manual (Page 39)

2) Remove all four batteries and insert four new ones. Insert
two of the batteries on the left side with the positive ends
facing outward; insert the other two batteries on the right
side with the negative ends facing outward (see diagram).
3) Replace the battery compartment cover. Tighten the screw
on the cover.
Changing Wheel Size (Optional)
For your convenience, the DigiRoller/DigiRoller Plus i s
designed to work with two different size wheel circumfer-
ences: 2- foot and 4-foot.
If you have more than one wheel (wheels sold separately), use
the following procedure to change wheels:
1) Turn the unit off and place it in front of you on a flat sur-
face, so that the threaded axle shaft faces up.
2) Unscrew the wheel hub cover by turning it in a counter-
clockwise direction.
CAUTION:
Batteries contain hazardous chemicals.
Please dispose of used batteries properly.
37 – User’s Guide