User's Manual

Operator’s Manual ZM-940PA/941PA i

GENERAL HANDLING PRECAUTIONS

This device is intended for use only by qualiﬁed medical personnel.

Use only Nihon Kohden approved products with this device. Use of non-approved

products or in a non-approved manner may affect the performance speciﬁcations

of the device. This includes, but is not limited to, batteries, recording paper, pens,

extension cables, electrode leads, input boxes and AC power.

Please read these precautions thoroughly before attempting to operate the instrument.

1. To safely and effectively use the instrument, its operation must be fully understood.

2. When installing or storing the instrument, take the following precautions:

(1) Avoid moisture or contact with water, extreme atmospheric pressure, excessive humidity and

temperatures, poorly ventilated areas, and dust, saline or sulphuric air.

(2) Placetheinstrumentonaneven,leveloor.Avoidvibrationandmechanicalshock,even

during transport.

(3) Avoidplacinginanareawherechemicalsarestoredorwherethereisdangerofgasleakage.

(4) The power line source to be applied to the instrument must correspond in frequency and

voltagetoproductspecications,andhavesufcientcurrentcapacity.

(5) Choose a room where a proper grounding facility is available.

3. Before Operation

(1) Checkthattheinstrumentisinperfectoperatingorder.

(2) Checkthattheinstrumentisgroundedproperly.

(3) Checkthatallcordsareconnectedproperly.

(4) Pay extra attention when the instrument is in combination with other instruments to avoid

misdiagnosis or other problems.

(5) Allcircuitryusedfordirectpatientconnectionmustbedoublychecked.

(6) Checkthatbatterylevelisacceptableandbatteryconditionisgoodwhenusing

batteryoperated models.

4. During Operation

(1) Both the instrument and the patient must receive continual, careful attention.

(2) Turn power off or remove electrodes and/or transducers when necessary to assure the

patient’s safety.

(3) Avoid direct contact between the instrument housing and the patient.

5. To Shutdown After Use

(1) Turn power off with all controls returned to their original positions.

(2) Remove the cords gently; do not use force to remove them.

(3) Clean the instrument together with all accessories for their next use.