Advantech USM-260, User Manual, Page: 4 / 18

Safety Instructions
1. Read these safety instructions carefully.
2. Retain this user manual for future reference.
3. Disconnect this equipment from all AC outlets before cleaning. Use only a damp
cloth to clean. Do not use liquid or spray detergents.
4. For pluggable equipment, the power outlet socket must be located near the
equipment and easily accessible.
5. Protect this equipment from humidity.
6. Place this equipment on a reliable surface during installation. Dropping or letting
the device fall may cause damage.
7. The openings on the enclosure are for air convection. Protect the equipment
from overheating. Do not cover the openings.
8. Ensure the voltage is correct before connecting the equipment to a power outlet.
9. Position the power cord away from high-traffic areas. Do not place anything over
the power cord.
10. All cautions and warnings on the equipment should be noted.
11. If unused for a long time, disconnect the equipment from the power source to
avoid damage from transient overvoltage.
12. Never pour liquid into an opening. This may cause fire or electrical shock.
13. Never open the equipment. For safety reasons, the equipment should be
opened only by qualified service personnel.
14. If one of the following situations occurs, have the equipment checked by service
personnel:
 The power cord or plug is damaged.
 Liquid has penetrated the equipment.
 The equipment has been exposed to moisture.
 The equipment is malfunctioning, or does not operate according to the user
manual.
 The equipment has been dropped and damaged.
 The equipment has obvious signs of breakage.
15. Do not store this equipment in an environment where the temperature fluctuates
below -20 °C (-4 °F) or above 60 °C (140 °F) as this may cause damage. The
equipment should be stored in a controlled environment.
16. Batteries are at risk of exploding if incorrectly installed. Replace only with the
same or equivalent type recommended by the manufacturer. Discard used bat-
teries according to the manufacturer’s instructions.
The sound pressure level at the operator position does not exceed 70 dB (A) in
accordance with IEC 704-1:1982.
DISCLAIMER: These instructions are provided according to IEC 704-1. Advantech
disclaims all responsibility for the accuracy of any statements contained herein.
USM-260 User Manual vi
17. If protective is used as a safeguard, the instructions shall require connection
of the equipment protective earthing conductor to the installation protective
earthing conductor(for example,by means of a power cord connected to a
socket-outlet with earthing connection).