Kramer SPK-C411, User Manual

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SPK-C411 / SPK-C412 - Installing the Closed-back Ceiling Speakers 9
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8. Tighten the mounting tabs by turning the screw counter clockwise (see
Figure 6 ).
The first quarter turn, rotates the tab outwards, and the following turns tighten the tabs
to the rear side of the ceiling surface
When tightening the mounting tabs, the tabs automatically turn outward,
thus clamping the speaker to the wall from its rear side.
Note : Do not over-tighten the screws. It may cause damage to both the
speakers and the surface.
Figure 6: Tighten the Mounting Tabs
9. If required, you can further secure the speaker by connecting the speaker
support ring to an independent secure anchor point.
10. Adjust each speaker to the appropriate tap setting before installing the grille
(see Figure 7 ).
Figure 7: Adjust Tap Selector (for SPK-C411 and SPK-C412, Respectively)