Welch Allyn 901133, Руководство по обслуживанию

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USER SAFETY INFORMATION
8

If multiple devices are connected to each other or to the patient, device chassis and patient leakage currents
may be increased, and should be measured for compliance with applicable standards for medical electrical
systems.

Avoid the use of portable multiple socket outlets . If used and not compliant with medical electrical
device standards, an additional protective earth connection is required.

To prevent electric shock due to unequal ground potentials that may exist between points of a distributed
network system or fault conditions in external network connected equipment, network cable shielding
(where used) must be connected to protective earth ground appropriate to the area where the device is used.

The device has not been designed for use with high-frequency (HF) surgical equipment and does not provide a
protective means against hazards to the patient.

When the 40 Hz filter is used, the frequency response requirement for diagnostic ECG equipment cannot be
met. The 40 Hz filter significantly reduces high-frequency components of the ECG and pacemaker spike
amplitudes, and is recommended only if high-frequency noise cannot be reduced by proper procedures.

Other medical equipment, including but not limited to defibrillators and ultrasound machines, may cause
interference with the ECG signals recorded by the device.

For proper operation and the safety of users or patients and bystanders, equipment and accessories must be
connected only as described in this manual. Do not connect a telephone line cable to the LAN connector.

Some Welch Allyn electrocardiographs can be equipped with a wireless LAN (WLAN) module for
transmitting ECG records. Device labeling will indicate if your device is equipped with such a module. If so
equipped, the following notices apply:

The WLAN identification can be found on a label on the bottom of the device. The following WLAN
manufacturers and models may be present depending on the date of manufacture of the device.

Laird WB45NBT

B&B Electronics WLNN-SP-MR551

Quatech, Inc. Model WLNN-AN-MR551
(model subject to change without notice)

Use of the WLAN module may interfere with other equipment operating in the vicinity. Check with local
authorities or spectrum management officials in your facility to determine if restrictions apply to the use of this
feature in your area.

To ensure compliance with current regulations limiting both maximum RF output power and human exposure to
radio frequency radiation, a separation distance of at least 20 cm must be maintained between the device and the
head and body of the user and any nearby persons at all times.

The WLAN module complies with applicable RF safety standards including standards and recommendations for
the protection of public exposure to RF electromagnetic energy that have been established by governmental
bodies and other qualified organizations, such as the following:

Federal Communications Commission (FCC)

Directives of the European Community

Directorate General V in Matters of Radio Frequency Electromagnetic Energy