Bose FreeSpace 6 User Manual

32
The loudspeakers go silent The amplifiers are shutting Check that the installation permits adequate air flow around the
after a half hour or so of down from thermal overload system electronics and correct if it does not.
operation
Feed back during paging There is too much gain for Reduce the gain with the Page Source Gain Trim or the Page
from a microphone the paging signal Source Gain Switch (block 1).
If using the Opti-voice
®
compressor, try disabling it (block 2).
Page mic is too near one Relocate the loudspeaker nearest to the page mic or relocate
of the loudspeakers the page mic. Change the page microphone to a type with a
more directional (cardioid) pickup pattern and orient it away
from the direction of the nearest loudspeaker.
The Opti-voice compressor The gain in block 1 has Reduce the gain in block 1 until the LED no longer flashes red
LED (block 2) flashes red been set too high even with the loudest paging signal.
sometimes
Quiet passages of music The Music Compressor has Enable the Music Compressor (block 7).
hard to hear not been enabled
The Music A or B Source Turn the appropriate Music Source Trim control (block 6) to the
Trim has been set too low right until the Music Compressor LED glows green. Back off the
adjustment if the LED turns red.
The Music Compressor LED The gain in block 6 has Reduce the gain in block 6 until the LED no longer flashes red
flashes red sometimes been set too high even with the loudest musical source.
There is not enough bass One or more loudspeakers are Check that all loudspeakers are in phase.
or “something funny” out of phase
about the sound in one
listening region
The installation is a dual mono The phase of the loudspeaker output is inverted when paging is
one, where paging is enabled enabled (180º phase reversal). Relocate one or both loud-
in one zone but not in the other. speakers to avoid an overlap zone.
At least one loudspeaker in each
zone is covering the same
listening area and there is bass
cancellation and/or comb
filtering effects
Loudspeakers are placed within See Section 3.2.1 of the Bose
®
FreeSpace
®
6 Business Music
3
1
/2 feet (1 m) of a wall or walls, System Installer’s Guide.
causing bass cancellation
The Bass Control (block 12) Turn the Bass Control up.
has been turned down
Symptom Possible Cause Remedy
Troubleshooting
English
AM180090_02_V.pdf • May 7, 2002

Bose FreeSpace 6 Specifications

General

Brand	Bose
Model	FreeSpace 6
Category	Media Converter
Language	English