QSC Audio AD-C821 Car Speaker User Manual


 
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2. Make sure all tests and adjustments are complete before installing the grille.
3. Locate the loudspeaker grille.
4. The loudspeaker system and grille both have a Grille-retaining Safety Tether. Using the clip on the grille’s tether, attach the grille’s safety tether to
the loudspeaker’s safety tether. Refer to (Figure 22) for details regarding the clip.
5. Center the grille on the loudspeaker baffle. The magnets hold the grille in place.
Note: You can rotate the grille as necessary within the constraints of the tether.
Rotating the grille beyond the constraints of the tether with excessive force can break the tether.
6. Optional - A drill template and four M4 Plastite
®
screws are provided with the grille assembly for screw-mounted grille installation if desired.
• To provide clearance for the grille screws, use a 3.4 mm drill bit to drill through the grill mounting holes in the loudspeaker baffle shown as
item a (Figure 23) and into the ceiling material.
• Use a 4.8 mm drill bit and the supplied template to drill the holes in the grille.
– Figure 21 –
a. Loudspeaker tether
b. Grille tether
– Figure 22 –
b
a
b
a
a
b
c
– Figure 23 –
a. Holes for mounting grille with screws (4 places)
b. Magnets for mounting grille (4 places)
c. Transformer Tap switch