Bang and Olufsen Beolab 4 Owners manual
BeoLab 4
Guide
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: To reduce the risk of
electric shock, do not remove
cover (or back).
No User-serviceable parts inside.
Refer servicing to qualified service
personnel.
WARNING: To reduce the risk of fire or
electric shock, do not expose this appliance
to rain or moisture. Do not expose this equipment to dripping or splashing and ensure
that no objects filled with liquids, such as
vases, are placed on the equipment.
To completely disconnect this equipment
from the AC Mains, disconnect the power
supply cord plug from the AC receptacle.
The lightning flash with arrowhead symbol
within an equilateral triangle, is intended
to alert the user to the presence of un-
insulated “dangerous voltage” within the
product’s enclosure that may be of sufficient
magnitude to constitute a risk of electric
shock to persons.
The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the product.
Daily use
3
When you have fi nished setting
up the loudspeakers as described
on the following pages, connect
the entire system to the mains.
The indicator lights turn red, to
indicate that the loud speakers
are in standby mode, ready for
use. The loud speakers are
designed to be left in standby
mode when not in use.
Cleaning the loudspeaker
The speaker panels may be cleaned
with a vacuum cleaner set to the
lowest suction level. Clean the other
surfaces using a soft, lint-free cloth
which you have dipped in lukewarm water and wrung fi rmly.
Never use alcohol or other solvents
to clean any parts of the loud-
speaker!
Switching on and off
When you switch on your system,
the loudspeakers switch on simultaneously, and the indicator lights
turn green.
When you switch off your audio
(or video) system the indicator
lights turn red.
However, if the loudspeakers are
connected to a computer – via the
LINE IN socket, and with the LINE IN
switch set to PC – they will not
switch to standby. Refer to ‘Cable
connections’ (pp. 6–7).
Indicator light
Indicator light: In daily use the
indicator light shines either red
(standby) or green (playing).
NOTE! Prolonged listening at high
volume levels may cause hearing
damage.
4
We recommend that you follow
this procedure:
– Disconnect your system from the
mains.
– Connect the loud speakers and set
the LINE IN–POWER LINK switch
on each loud speaker as explained
in ‘Cable connections’ (pp. 6–7).
– Set the POSITION switch to the
correct setting on each loudspeaker. This is explained in ‘Ada pt
the loud speaker to your room’
(pp. 8–10).
– Connect the entire system to the
mains again.
The loud speaker must be placed
standing upright on its base, or
fastened to one of the optional
accessories. Make the connections,
and set both switches before you
fasten the loud speaker to one of the
accessories.
Set up the loudspeakers
Cautions
– Make sure that the loud speakers
are placed and connected in
accordance with the instructions
in this Guide. To prevent injury,
use Bang & Olufsen approved
stands and wall brackets only!
– The loudspeaker can only be
switched off completely by
disconnecting it from the wall
socket.
– Do not attempt to open the loud-
speaker. Leave such operations to
qualifi ed service personnel! The
speaker panels, how ever, may be
removed for cleaning.
– The loud speaker is designed for
indoor use in dry, domestic
environments only, and for use
within a temperature range of
10–40 º C (50–105º F) .
– For optimum sound quality, do not
place the loud speaker enclosed in,
for example, a small book case.
Leave a minimum of 20 cm (8")
free space at the sides, and never
place anything directly in front of
the loud speaker.
– Do not block the sound emitting
from the bass refl ex por t at the
bottom of the loud speaker.
– Place the loudspeaker with its
front (the Bang & Olufsen name
plate) facing your favourite
listening position.
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