User's Manual

Operator’s Manual ZM-520PA/521PA/530PA/531PA v
EMC RELATED CAUTION
This equipment and/or system complies with the International Standard IEC 60601-
1-2 for electromagnetic compatibility for medical electrical equipment and/or system.
However, an electromagnetic environment that exceeds the limits or levels stipulated
in the IEC 60601-1-2, can cause harmful interference to the equipment and/or
system or cause the equipment and/or system to fail to perform its intended function
or degrade its intended performance. Therefore, during the operation of the
equipment and/or system, if there is any undesired deviation from its intended
operational performance, you must avoid, identify and resolve the adverse
electromagnetic effect before continuing to use the equipment and/or system.
The following describes some common interference sources and remedial actions:
1. Strong electromagnetic interference from a nearby emitter source such as an
authorized radio station or cellular phone:
Install the equipment and/or system at another location if it is interfered with by an
emitter source such as an authorized radio station. Keep the emitter source such
as cellular phone away from the equipment and/or system.
2. Effect of direct or indirect electrostatic discharge:
Make sure all users and patients in contact with the equipment and/or system are
free from direct or indirect electrostatic energy before using it.
3. Electromagnetic interference with any radio wave receiver such as radio or
television:
If the equipment and/or system interferes with any radio wave receiver, locate the
equipment and/or system as far as possible from the radio wave receiver.
4. Electromagnetic interference with any radio wave receiver such as radio or
television:
If the equipment and/or system interferes with any radio wave receiver, locate the
equipment and/or system as far as possible from the radio wave receiver.
5. Interference of lightning:
When lightning occurs near the location where the equipment and/or system is
installed, it may induce an excessive voltage in the equipment and/or system.
In such a case, disconnect the AC power cord from the equipment and/or
system and operate the equipment and/or system by battery power, or use an
uninterruptible power supply.
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