3
ULTRA-DI DI20
Warranty
Terminals marked with this symbol carry
electrical current of sufficient magnitude
to constitute risk of electric shock. Use only
high-quality professional speaker cables with
¼" TS or twist-locking plugs pre-installed.
All other installation or modification should be
performed only by qualified personnel.
This symbol, wherever it appears,
alerts you to the presence of
uninsulated dangerous voltage
inside the enclosure - voltage that may be
sufficient to constitute a risk of shock.
This symbol, wherever it appears,
alerts you to important operating
and maintenance instructions in
the accompanying literature. Please read
the manual.
Caution
To reduce the risk of electric shock,
do not remove the top cover
(or the rear section). No user serviceable parts
inside. Refer servicing to qualified personnel.
Caution
To reduce the risk of fire or
electric shock, do not expose this
appliance to rain and moisture. The apparatus
shall not be exposed to dripping or splashing
liquids and no objects filled with liquids,
such as vases, shall be placed on the apparatus.
Caution
These service instructions are
for use by qualified service
personnel only. To reduce the risk of electric
shock do not perform any servicing other than
that contained in the operation instructions.
Repairs have to be performed by qualified
service personnel.
1.
Read these instructions.
2.
Keep these instructions.
3.
Heed all warnings.
4.
Follow all instructions.
5.
Do not use this apparatus near water.
6.
Clean only with dry cloth.
7.
Do not block any ventilation
openings. Install in accordance with the
manufacturer’s instructions.
8.
Do not install near any heat sources
such as radiators, heat registers, stoves,
or other apparatus (including amplifiers)
that produce heat.