Vutec VT22X VU-PRO - Installation Instructions - Manual (Page 7)

5
6. Disengage both motor limit
switches. Jog the unit
downwards until the traveling
platform is in contact with the
four plastic nuts (Figure 5).
Stop the unit such that there is
still some light tension on the
cables from the springs beneath
the traveling platform.
Referring to Figure 3b, set the
down position by engaging the
yellow button (yellow button
out).
7. Jog the unit upwards The
traveling platform should rise
until it is stopped by the
external up limit switch - the
motor’s internal up limit switch
is not used, and should remain
disengaged (white button in).
8. Replace the yellow protective cap (Figure 3c).
9. Test runs the unit up and down several times, close the control box cover when finish.
Check the duplex receptacle to ensure that there is power for the projector.
FIGURE 4
FIGURE 5