Precautions – Yamaha MC2403 User Manual
Page 3
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PRECAUTIONS
1. AVOID EXCESSIVE HEAT, HUMIDITY, DUST
AND VIBRATION
Keep the unit away from locations where it is likely to
be exposed to high temperatures or humidity - such
as near radiators, stoves, etc. Also avoid locations
which are subject to excessive dirt accumulation or
vibration which could cause mechanical damage.
2. AVOID PHYSICAL SHOCKS
Strong physical shocks to the unit can cause damage.
Handle it with care.
3. DO NOT OPEN THE UNIT, OR ATTEMPT
REPAIRS OR MODIFICATIONS YOURSELF
This product contains no user-serviceable parts. Refer
all maintenance to qualified Yamaha service person
nel. Opening the unit and/or tampering with the inter
nal circuitry will void the warranty.
4. MAKE SURE POWER IS OFF BEFORE
MAKING OR REMOVING CONNECTIONS
Always turn the power OFF prior to connecting or dis
connecting cables. This is important to prevent dam
age to the unit itself as well as other connected
equipment.
5. HANDLE CABLES CAREFULLY
Always plug and unplug cables - including the AC
cord - by gripping the connector, not the cord.
6. CLEAN WITH A SOFT DRY CLOTH
Never use solvents such as benzine or thinner to
clean the unit. Wipe clean with a soft, dry cloth.
7. ALWAYS USE THE CORRECT POWER
SOURCE
Make sure that the power source voltage specified on
the rear panel matches your local AC mains supply:
U.S. & Canadian Model: 120V AC, 60Hz
British Model : 240V AC, 50Hz
General Model: 230V AC, 50Hz