User's Manual

20 Operator’s Manual ZM-920PA/921PA/930PA/931PA

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

touches the patient, the patient leakage current over the amount allowed may

occur.

CAUTION

• Replace all batteries at the same time.

• Do not use different types of batteries together.

NOTE

Insert the batteries with the correct polarity (+ and −).

Procedure

1. Open the battery case cover.

2. Insert two dry cell batteries (LR6) into

the battery case observing the correct

polarity.

3. Close the cover and press it gently

until it clicks.

WARNING and CAUTION for Battery Handling

WARNING

• Keep the batteries away from ﬁre. They may explode.

• Keep the batteries away from patients.

• Never short-circuit the + and – terminals on the battery. It may

cause overheating and ﬁre.

• Do not damage, disassemble, drop or give impact to the battery.