Mcintosh c 31 v owners manual

Page 2

IMPORTANT SAFETY INSTRUCTIONS

THESE INSTRUCTIONS ARE OFFERED
TO PROTECT YOU AND THE
McINTOSH INSTRUMENT. BE SURE
TO FAMILIARIZE YOURSELF WITH
THE FOLLOWING.

1. Read All Instructions - Read the safety and operating
instructions before operating the instrument.

2. Retain Instructions - Retain the safety and operating
instructions for future reference.

3. Heed Warnings - Adhere to warnings and operating
instructions.

4. Follow Instructions - Follow all operating and use
instructions.

5. Power Sources - Connect the power supply only to
the type described in the operating instructions or
as marked on the unit.

6. Power-Cord Protection - Route power-supply cords
so that they are not likely to be walked on or pinch-
ed by items placed upon or against them, paying
particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the
instrument.

7. Ventilation - Locate the instrument for proper ven-
tilation. For example, the instrument should not be
placed on a bed, sofa, rug, or similar surface that
may block the ventilation openings; or, placed in a
built-in installation, such as a bookcase or cabinet,
that may impede the flow of air through the ventila-
tion openings.

8. Heat < Locate the instrument away from heat
sources such as radiators, heat registers, stoves, or
other appliances (including amplifiers) that produce
heat.

9. Wall or Cabinet Mounting - Mount the instrument
in a wall or cabinet only as described in the owners
manual.

10. Water and Moisture - Do not use the instrument
near water - for example, near a bathtub,
washbowl, kitchen sink, laundry tub, in a wet base-
ment, or near a swimming pool, etc.

11. Cleaning - Clean the instrument by dusting with a
dry cloth. Clean the panel with a cloth moistened
with a window cleaner.

12. Object and Liquid Entry » Do not permit objects to
fall and liquids to spill into the instrument through
enclosure openings.

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13. Power Lines - Locate any outdoor antenna away
from power lines.

14. Outdoor Antenna Grounding - if an outdoor anten-
na is connected to the antenna terminal. be sure
the antenna system is grounded so as to provide
some protection against voltage surges and built up
static charges.

In the U.S.A., section 810 of the National Electrical
Code, ANSI/NFPA No. 70-1984, provides informa-
tion on the proper ground for the mast and suppors
ting structure, ground for the lead-in wire to an
antenna discharge unit, and size of ground conduc-
tors, location of antenna-discharge unit, connection
to grounding electrodes, and requirements for the
grounding electrode.

For ground wire,

a) Use No. 10 AWG (5.3 mm) copper No. 8 AWC
(8.4 mm1)aluminum, No. 17 AWG (1.0 mmZ)
copper-clad steel, bronze wire, or larger as ground
wire.

b) Secure antenna lead-in and ground wires to
house with stand-off insulators spaced from 4 feet
(122 meters) to 6 feet (1.83 meters) apart.

c) Mount antenna discharge unit as closely as possi-
ble to where lead-in enters house.

d) Use jumper wire not smaller than No. 6 AWG
(13.3 mm) copper or equivalent when separate
antenna-grounding electrode is used.