Extron electronics SF 28PT User Manual page 14

Floor
Figure 5. SF 28PT Speaker Height
4. The total cable length, T, required (see
follows:
a. Measure the distance from the floor to the bottom of the mounting structure for the
steel cables (value A).
b. Subtract value B (see
inches.
c.
Add to that amount the length of cable needed to encircle the mounting structure
while leaving enough slack so that the top of the cable lock is at least 2 inches
below the lowest part of the structure (value C).
NOTE: In order to ensure that the cable lock is not unintentionally unlocked,
keep the area within 2 inches of all cable locks in any direction free of any
other objects.
5. Cut the cables using value T for the cut length.
NOTES:
• Be sure to allow extra cable length and speaker wire length for the structure
attachment points.
• The total cable length includes 1 inch of cable that must extend beyond the
bottom of the cable lock (see
ATTENTION: Do not use regular wire cutters to cut through the steel cable.
Ordinary wire cutters may be damaged when attempting to cut through the steel
cable. You must use a suitable cable cutter to cut the steel cable.
ATTENTION : N'utilisez pas de cisaille standard pour couper le câble en acier. Ce
type de cisaille peut être endommagé lors de la coupe du câble en acier. Vous
devez utiliser une pince coupe-câble adaptée à ce type de câble.
B
figure 6 on the next page) is calculated as
step 3 on page 5) from value A, then subtract 12.25
figure 6
on the next page).
SF 28PT User Guide • Installation 6