Operation Manual

Precautions xix
PRO Series Live Audio Systems
Owner’s Manual
not installed and used in accordance with the
instruction manual, may cause harmful
interference to radio communications.
Operation of this equipment in a residential area
is likely to cause harmful interference in which
case the user will be required to correct the
interference at his own expense.
Electric fields
Caution:
In accordance with Part 15 of the FCC
Rules & Regulations, “… changes or
modifications not expressly approved by
the party responsible for compliance could
void the user's authority to operate the
equipment.”
Should this product be used in an
electromagnetic field that is amplitude
modulated by an audio frequency signal (20Hz
to 20kHz), the signal to noise ratio may be
degraded. Degradation of up to 60dB at a
frequency corresponding to the modulation
signal may be experienced under extreme
conditions (3V/m, 90% modulation).
Safety equipment
Never remove, for example, covers, housings or
any other safety guards. Do not operate the
equipment or any of its parts if safety guards
are ineffective or their effectiveness has been
reduced.
Optional equipment
Unless advised otherwise, optional equipment
must only be installed by service personnel and
in accordance with the appropriate assembly
and usage regulations.
Special accessories
To comply with part 15 of the FCC Rules, any
special accessories (that is, items that cannot be
readily obtained from multiple retail outlets)
supplied with this equipment must be used with
this equipment; do not use any alternatives as
they may not fulfil the RF requirement.