User's Manual

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

Maintenance

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months.

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• Receiving monitor

CAUTION

Never disassemble or repair the transmitter. If there is any problem with the

transmitter, contact your Nihon Kohden representative.

NOTE

• The measurement accuracy of the above units must be managed to perform accurate

maintenance check.

• For details on the operation of the above units, refer to the manuals provided with these

units.

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1. External Check

• There is no damage or dirt on the outside of the transmitter.

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• No electrode leads are damaged.

• There are no blood or chemicals on the transmitter.

• The springs in the battery compartment are not damaged or detached.

• Terminals in the battery case are not corroded.

2. Transmitter Channel

• The channel number label on the transmitter is not torn or removed.

• The channel of the transmitter matches the label.

The transmitter channel is displayed in the upper left corner of the screen. The channel number

also appears on the startup screen.