Caution – Yamaha MT120S User Manual
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• Explanation of Graphical Symbols
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK DO NOT REMOVE
COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenace (servicing) instructions in the
literature accompanying the product.
The lightning flash with arrowhead symbol within an
equilateral triangle is intended to alert the user of the
presence of uninsulated “dangerous voltage” within
the product’s enclosure that may be of sufficient mag
nitude to constitute a risk of electric shock to persons.
SAFETY INSTRUCTIONS (PREPARED IN ACCORDANCE WITH UL STANDARD 1270)
Read Instructions—All the safety and operating instructions
should be read before the appliance is operated.
Retain Instructions—The safety and operating instructions
should be retained for future reference.
3. Heed Warnings—All warnings on the appliance and in the
operating instructions should be adhered to.
4. Follow Instructions—All operating and use instructions should
5. Water and Moisture—^The appliance should not be used near
water—for example, near a bathtub, or near a swimming
pool, and the like.
Carts and Stands—The appliance
should be used only with a cart or
stand that is recommended by the
6A. An appliance and cart combination
should be moved with care. Quick
stops, excessive force, and uneven
surfaces may cause the appliance
and cart combination to overturn.
7. Wall or Ceiling Mounting—The appliance should be mounted
to a wall or ceiling only as recommended by the manufac
Ventilation—The appliance should be situated so that its
location or position does not interfere with its proper venti
lation. For example, the appliance should not be situated on
a bed, sofa, rug, or similar surface that may block the ven
tilation openings; or placed in a built-in installation, such
as a bookcase or cabinet that may impede the flow of air
through the ventilation openings.
Heat—The appliance should be situated away from heat
sources such as radiators, heat registers, stoves, or other
appliances (including,^mplifiers) that produce heat.
10. Power Sources—^The appliance should be connected to a
power supply only of the type described in the operating
instructions or as marked on the appliance.
11. Grounding or Polarization—The precautions that should be
taken so that the grounding or polarization means of an
appliance is not defeated.
12. Power-Cord Protection—Power-supply cords should be routed
so that they are not likely to be walked on or pinched by
items placed upon or against them, paying particular atten
tion to cords at plugs, convenience receptacles, and the point
where they exit from the appliance.
13. Cleaning—The appliance should be cleaned only as recom
mended by the manufacturer.
14. Nonuse Periods—The power cord of the appliance should
be unplugged from the outlet when left unused for a long
period of time.
15. Object and Liquid Entry—Care should be taken so that ob
jects do not fall and liquids are not spilled into the enclo
sure through openings.
16. Damage Requiring Service—The appliance should be serv
iced by qualified service personnel when:
A. The power-supply cord or the plug has been damaged;
B. Objects have fallen, or liquid has been spilled into the
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally or
exhibits a marked change in performance; or
E. The appliance has been dropped, or the enclosure dam
17. Servicing—The user should not attempt service the appli
ance beyond that described in the operating instructions.