User's Manual

20 Operator’s Manual ZM-520PA/521PA/530PA/531PA

NOTE

• Use Nihon Kohden Medipower to ensure speciﬁed performance. Outdated,

mismatched or poor-quality batteries can give unacceptable performance (e.g.,

insufﬁcient low battery indication). The use of fresh high-quality alkaline batteries is

strongly recommended.

• When the display is turned on, it reduces the battery power. Instruct the patient not to

turn on the display during monitoring.

Installing (Replacing) Batteries

CAUTION

Battery replacement must be performed by the operator. When replacing the

batteries of a transmitter that is currently used for a patient, disconnect the electrode

leads from the transmitter before replacing batteries or do not touch the patient

during replacement.

If electrode leads are attached to the patient and the person replacing batteries touches the patient

during battery replacement, excess patient leakage current may ﬂow into the patient.

NOTE

• Replace all batteries at the same time.

• Do not use different types of batteries together.

• Insert the batteries with the correct polarity (+ and –).

1. Open the battery case cover.

2. Insert two new batteries into the battery case

observing the correct polarity.

The transmitter is automatically turned on

when the batteries are installed.

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