protech POS-3520, User Manual

Page: 12 / 109

Chapter 1 Introduction
Page: 1-6
POS-3520 USER
′
S MANUAL
1-4. SAFETY PRECAUTIONS
The following messages are safety reminders on how to protect your systems
from damages, and extending the life cycle of the system.
1. Check the Line Voltage
a. The operating voltage for the power supply should be within the range of
100V to 240V AC; otherwise the system may be damaged.
2. Environmental Conditions
a. Place your POS-3520 on a sturdy, level surface. Be sure to allow enough
space around the system to have easy access needs.
b. Avoid installing your POS-3520 system in extremely hot or cold places.
c. Avoid exposure to sunlight for a long period of time (for example, in a
closed car in summer time. Also avoid the system from any heating
device.). Or do not use the POS-3520 when it has been left outdoors in a
cold winter day.
d. Bear in mind that the operating ambient temperature is between 0
°
C and
35
°
C (32
°
F and 95
°
F).
e. Avoid moving the system rapidly from a hot place to a cold place, and
vice versa, because condensation may occur inside the system.
f. Place your POS-3520 against strong vibrations, which may cause hard
disk failure.
g. Do not place the system too close to any radio-active device. Radio-
active device may cause signal interference.
h. Always shutdown the operation system before turning off the power.
3. Handling
a. Avoid placing heavy objects on the top of the system.
b. Do not turn the system upside down. This may cause the hard drive to
malfunction.
c. Do not allow any objects to fall into this product.
d. If water or other liquid spills into the product, unplug the power cord
immediately.