User manual

UNO-4672 User Manual vi
20° C (-4° F) OR ABOVE 55° C (131° F). THIS COULD DAM-
AGE THE EQUIPMENT. THE EQUIPMENT SHOULD BE IN A
CONTROLLED ENVIRONMENT.
16. CAUTION: DANGER OF EXPLOSION IF BATTERY IS
INCORRECTLY REPLACED. REPLACE ONLY WITH THE
SAME OR EQUIVALENT TYPE RECOMMENDED BY THE
MANUFACTURER, DISCARD USED BATTERIES ACCORD-
ING TO THE MANUFACTURER'S INSTRUCTIONS.
The sound pressure level at the operator's position according to IEC 704-
1:1982 is no more than 70 dB (A).
DISCLAIMER: This set of instructions is given according to IEC 704-1.
Advantech disclaims all responsibility for the accuracy of any statements
contained herein.
Safety Precaution - Static Electricity
Follow these simple precautions to protect yourself from harm and the
products from damage.
• To avoid electrical shock, always disconnect the power from your PC
chassis before you work on it. Don't touch any components on the CPU
card or other cards while the PC is on.
• Disconnect power before making any configuration changes. The sud-
den rush of power as you connect a jumper or install a card may dam-
age sensitive electronic components.