Preva Dental X-ray System User Manual, 00-02-1576, Revision ZA1
3
Introduction
The intended use of the Preva Dental X-Ray System is to act as a diagnostic
source for radiographic dental imaging.
• Because the design of the Preva power supply circuit may momentarily
draw high current, do not use this device with wall outlets having GFCIs
(Ground Fault Circuit Interrupters). Outlets with GFCI are designed to trip
when they sense a small amount of current passing from the line to earth
ground. Outlets with GFCI can compromise the operation of the intra-oral
X-ray device and the GFCI circuit itself.
• Allow only qualified and authorized service personnel to remove
equipment covers.
• All maintenance requiring the removal of protective covers must be
executed by service personnel only when patients are not present.
• Replace sensors only when a patient is not in contact with the machine or
the operator.
• This equipment must be used only in rooms or areas complying with all
applicable laws and recommendations concerning electrical safety in
rooms used for medical purposes, e.g., IEC
1
, NEC
2
, or VDE
3
standards
concerning provisions of an additional protective earth (ground) terminal
for power supply connection.
• Before cleaning or disinfecting, this equipment must be disconnected
from the main electrical supply.
• The Preva Dental X-ray System is ordinary type medical equipment
without protection against ingress of liquids. To protect against short-
circuit and corrosion, no water or any other liquid should be allowed to
leak inside the equipment.
To avoid electric shock, connect this equipment only to
supply mains with protective earth.
Do not touch the USB connector on the articulated arm.
1
International Electrotechnical Commission
2
National Electrical Code
3
Verband Deutscher Elektrotechniker (Association of German Electrical Engineers)
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