Bose VIRTUALLY INVISIBLE 191 - Manual (Page 9)

9
 
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S
TEPS TO
I
NSTALLING
Before you make any holes
Be sure you have read and understand the considerations provided in “Preparation” starting
on page 5, so you can proceed with confidence.
CAUTION: If you are unsure of your ability to complete this process, contact a professional
installer.
Small check marks call your attention to the tools you’ll need for the next step.

Tips offer ideas to make the job go easier and help you avoid mistakes.
Drill a pilot hole for testing the wall space
Before you make a large cut into the wallboard, check the space by probing behind the wall
or ceiling through a small pilot hole. Time spent now can help ensure a successful installation.
Note: If you are working in an exterior wall where there is insulation, it may be difficult to probe
behind a pilot hole. You may prefer to eliminate this step and skip ahead to “Prepare the wall for
inserting the speaker” on page 13. Do this only if you can be sure the insulation is malleable and
that nothing else behind the wall will impede the installation.
WARNING: If you believe the insulation behind the wall may be composed of asbestos,
do not drill or cut into that wall. Find a different location for the speakers instead.
Using the template
You will need a sharp pencil for this step.
The template shows where to drill two 1 /
2
in. (13 mm) pilot holes before you make an opening
large enough for the entire speaker. You can then test the space behind the hole to make sure
there is enough room for the speaker and that there are no materials blocking the installation.
Notice the dotted lines extending at an angle from the pilot hole to the bottom corners of

the DO NOT CUT area on the template. Use them as a guideline to be sure there is enough
room below the pilot hole for the length and width of the speaker enclosure.
To position the template
1.
Select a spot on the wall or ceiling where you want the center of the speaker grille. Allow
enough space for the speaker enclosure both above and below the pilot hole. You may
need that second option if you find an impediment in the space below the hole.
2. Center the pilot-hole circles on the selected spot as you press the template to the wall.
3. Use a pencil to trace around the inside of the circles (Figure 7).
4. Remove the template.
Figure 7
Preparing to cut a pilot hole
5 1/ 2" (14 cm )
8 1/ 16" (20 .5 cm )
141/ 2" (36.9 cm)
TAP E HER E
TAPE HER E
TAPE HER E
WHITE CUT OUT AREA
WHITE CUT OUT AREA
Pilot
Hole
WA RNING: Make sure th e spo t chos en is sa fe fo r cut ting. Do no t cut th roug h
surfa ces tha t have haz ard s, su ch as electr ical w iring, conduits or plu mbing ,
conce aled behind them . If you are not sure, consu lt a pr ofe ssion al in stall er
befo re you pro ceed.
DO N OT CUT ARO UND GRAY AREA Englis h & Trans lation s
WAR NING : Mak e sure the s pot ch osen is safe for cu tting. Do no t cut th rough surfa ces th at hav e haz ards, such as ele ctrica l
wiring, condu its or plum bing, conce aled behin d them . If yo u are n ot sure , cons ult a profes siona l insta ller be fore you p rocee d.
WAR NING : Make sure the sp ot cho sen is safe fo r
drilling . Do n ot cut th rough surfac es th at ha ve haz ards
concea led be hind t hem, s uch a s elec trical wiring ,
condu its or plum bing. If you are no t sure , cons ult a
profe ssion al ins taller before you p rocee d. WAR NING : Mak e sure the sp ot cho sen is safe f or
drillin g. Do not cu t throu gh su rfaces that h ave h azard s
conce aled behin d them , such as ele ctrica l wirin g,
condu its or plum bing. If you are n ot su re, co nsult a
profe ssion al ins taller b efore you p roce ed.
WAR NING : Make sureth e spotc hosen is safe for drilling . Don ot cut t hroug h surface s that have hazard s conce aled b ehind them, such as ele ctrical w iring, condu itsor pl umbin g. Ifyo u are no t sure, consu lt a profes sional instal lerbefo re youpro ceed. WAR NING : Mak e sure the sp ot ch osen is saf e for d rilling. Do not cu t thro ugh surfac es th at hav e hazard s con ceale d behin d them , such as elec trical wiring , condu its or plum bing. If you are not su re, co nsult a profes sion al insta ller before you p rocee d.
WA RNING : Make sureth e spot chose n issa fe
fordrill ing.D o not c utthro ugh surfac estha t have
hazards concea led be hindth em,su ch as
electric al wirin g, con duits or plum bing. If you
are no t sure , cons ult ap rofess ional instal ler
before you pr oceed .
WAR NING : Mak e su re the spot
chos en is s afe for drilling . Do not cu t
throug h surf aces t hat ha ve ha zards
conce aled behin d them , such as
electric al wirin g, con duits or plu mbing .
If you are no t sure , cons ult a profe ssion al ins taller before you
proce ed.
9" (22 .9 cm )
TAPE HER E
Translati ons b elow
TAPE HER E
TAPE HER E
DO NOT CUT ARO UND GRAY AREA
DO NOT CUT ARO UND GRAY AREA
DO NOT CUT ARO UND GRAY AREA
DO NOT CUT ARO UND GRAY AREA
DO NOT CUT ARO UND GRAY AREA
DO NOT CUT ARO UND GRAY ARE A
DO NOT CUT ARO UND GRAY AREA
Template
Pilot hole
At least 9" (22.9 cm)