Bose Virtually Invisible 191 Bedienungs- Und Installateuranleitung Seite 19

Figure 19
Checking the space for the
width of the speaker
Figure 20
Inserting the long end of the
wire (a) and sweeping from
side to side to check the
length (b)
360˚
• If the wire goes around the 360˚ arc without a problem, proceed to step 5 below.
Round-faced speakers require an additional 2 inches of clearance above the speaker.
• If you cannot rotate the wire all the way around up to the first bend, you need to drill a
new pilot hole elsewhere. Then repeat the preceding steps 3 and 4.
Now remove the wire.
5. Use the long end of the wire to check for enough length below the hole:
Holding the short end of the wire, insert the long end into the wall or ceiling and straight
down from the hole (Figure 20a).
Tip: You may want to use the template for this step, as shown in Figure 20b.
With the long end of the wire still in the hole, sweep it from side to side in a curve as
shown on the template. This indicates if the wall or ceiling space is long enough and
wide enough at the far end.
Tip: When testing for length, move the wire near the wall or ceiling, then farther back from it.
(a)
• If the wire goes in and sweeps from side to side at the far end without a problem, pro-
ceed to the next major step: "Prepare the wall for inserting the speaker" starting on
page 21.
• If you find an impediment below the pilot hole, and you are working in an interior wall,
reinsert the wire upward. If there are no impediments above the pilot hole, you can
install the speaker upside-down. If you are working in an exterior wall, installing the
speaker upside-down is not recommended. In this case, if you find an impediment you
need to drill a new pilot hole elsewhere. Then repeat the preceding steps 3, 4, and 5.
(b)
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Steps to Installing
Or
19