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Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety
instructions below and the explanations given in the instruction manual.
With industrial sewing machines, it is normal to carry out work while positioned directly in front of moving parts such
as the needle and thread take-up lever, and consequently there is always a danger of injury that can be caused by these
parts. Follow the instructions from training personnel and instructors regarding safe and correct operation before oper-
ating the machine so that you will know how to use it correctly.
z Safety indications and their meanings
This instruction manual and the indications and symbols that are used on the machine itself are provided in order to
ensure safe operation of this machine and to prevent accidents and injury to yourself or other people.
The meanings of these indications and symbols are given below.
Indications
CAUTION
Symbols
................ This symbol (
indicates the nature of the caution that must be taken.
(For example, the symbol at left means "beware of injury".)
................ This symbol (
................ This symbol (
nature of the thing that must be done.
(For example, the symbol at left means "you must make the ground connection".)
x Notes on safety
¡
Use the sewing machine in an area which is
free from sources of strong electrical noise such
as high-frequency welders.
Sources of strong electrical noise may cause
problems with correct operation.
¡
Any fluctuations in the power supply voltage
should be within ±10% of the rated voltage for
the machine.
Voltage fluctuations which are greater than this
may cause problems with correct operation.
¡
The power supply capacity should be greater
than the requirements for the sewing machine's
electrical consumption.
Insufficient power supply capacity may cause
problems with correct operation.
i
SAFETY INSTRUCTIONS
The instructions which follow this term indicate situations where failure to follow the
instructions could cause injury when using the machine or physical damage to equip-
ment and surroundings.
) indicates something that you should be careful of. The picture inside the triangle
) indicates something that you must not do.
) indicates something that you must do. The picture inside the circle indicates the
CAUTION
Environmental requirements
DB2-B720 series (English)
¡
The ambient temperature should be within the
range of 5°C to 35°C during use.
Temperatures which are lower or higher than
this may cause problems with correct opera-
tion.
¡
The relative humidity should be within the
range of 45% to 85% during use, and no dew
formation should occur in any devices.
Excessively dry or humid environments and
dew formation may cause problems with cor-
rect operation.
¡
Avoid exposure to direct sunlight during use.
Exposure to direct sunlight may cause prob-
lems with correct operation.
¡
In the event of an electrical storm, turn off the
power and disconnect the power cord from the
wall outlet.
Lightning may cause problems with correct op-
eration.
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