Infinity Entra Series Owner's Manual page 3

Refer to Figure 4 as you perform ttic following steps:
'I. 'The Entra'bo and EntraThree come with the round end of
their feet exposed for use on hard-surface floors.To expose
the spiked end of the feet, lay each speaker on,its side and
use the enclosed wrench Lo unscrew and remove the Four
feet. Screw the round end of each foot into its hole and
hand-tighten a nut onto each foot. Leave a minimum of 5/S"
of exposed spike. (On thicker carpets, you can increase the
length of exposed spike up to lJ/8:')
2. Carefully stand each speaker upright to sit on its feet.
3. If needed, adjust the feet so each speaker is level and then
tighten each nut with the enclosed wrench,