Step 2: Using the Security Key to Lock and Unlock the Speaker
The SM 3 speaker uses an included security key to lock and unlock the speaker to and from
the mounting plate (see figure 8 below). The key has two positions: lock and unlock. The
active position of the key is nearest the top of the speaker.
NOTE: To avoid misplacing the key, store the key in a secure location for future use.
Insert the key into the center of the speaker grill and turn the key, as needed, so that
the speaker is in the unlocked position (see figure 8 below). There are three small raised
“dimples” on the grill surface that surrounds the keyhole.
ATTENTION: The key must be rotated to the unlocked postion before the speaker
is attached to the mounting plate. Failure to place the speaker in the
unlocked position will result in damage to the speaker lock mechanism
should an attempt be made to mount the speaker.
Twist to
Lock/Unlock
Unlocked
Front View
Rear View
Locked
Figure 8. Using the security key
SM 3 User Guide • Installation 9
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