order of a licensed professional.
1.6 Contraindication
a) Doctors with a pacemaker are forbidden to use this device.
b) This device may not be used on patients with cardiac pacemakers (or other
electrical equipment) or those warned not to use small appliances (such as
Electric razors, hair dryers, etc.).
c) This device may not be used on hemophilia patients.
d) Use with caution in patients with heart disease, pregnant women and young
children.
1.7 Warnings
1.7.1 Please carefully read this Instruction Manual before fi rst operation.
1.7.2 This device should be operated by professional and qualifi ed dentist in
qualifi ed hospital or clinic.
1.7.3 Do not directly or indirectly place this device near heat source. Operate
and store this device in a suitable environment.
1.7.4 This device requires special precautions regarding electromagnetic
compatibility (EMC) and must be in strict accordance with the EMC
information for installation and use. Do not use this equipment especially in
the vicinity of fl uorescent lamps, radio transmitting devices, remote control
devices, handheld and mobile highfrequency communication devices.
1.7.5 Please use the original contra angle. Otherwise the device will be
unusable or cause adverse consequences.
1.7.6 Please do not make any changes to the device. Any changes may violate
safety regulations, causing harm to the patient. The manufacturer will not be
liable for any device changes made without the manufacturer's consent.
1.7.7 Please use the original power adapter. Other power adapters will result
in damage to the lithium battery and control circuit.
1.7.8 The motor handpiece cannot be autoclaved. Use disinfectant of neutral
pH value or ethyl alcohol to wipe its surface.
1.7.9 Do not press the push cover of contra angle before the contra angle
stops rotating. Otherwise the contra angle will be broken.
1.7.10 Do not remove the contra angle before the motor handpiece stops
rotating. Otherwise the contra angle and the gear inside motor handpiece will
be broken.
1.7.11 Please confirm that the file is properly installed and locked in place
before starting the motor handpiece.
1.7.12 Please set torque and speed as per the recommended specifi cations of
fi le manufacturer.
1.7.13 Error in replacing lithium batteries can lead to unacceptable risks, so
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