Interacoustics PA5 Bedienungsanleitung

Page 1

PA5

Operation Manual

Hand Held Impedance Audiometer MT10

Valid from serial 01

ty 05 0050 00002

Hand Held Impedance Audiometer MT10

Valid from serial 01

ty 05 0050 00002

Hand Held Impedance Audiometer MT10

Valid from serial 01

ty 05 0050 00002

Hand Held Impedance Audiometer MT10

Valid from serial 01

ty 05 0050 00002

Hand Held Impedance Audiometer MT10

Valid from serial 01

ty 05 0050 00002

Hand Held Impedance Audiometer MT10

Valid from serial 01

ty 05 0050 00002

Pediatric Audiometer PA5

Valid from serial 01

80691221 – 09/2009

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PA5

Operation Manual

PA5 Operation Manual Page 1

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PA5

Operation Manual

Table of Contents

Table of Contents .............................................................................1

Introduction.......................................................................................2

Intended Use............................................................................2

Precautions...............................................................................2

Warranty...................................................................................4

Basic Functions................................................................................6

Description of Control Panel.....................................................6

Description of Stimuli Panel .....................................................7

Batteries ............................................................................................8

Replacing Batteries ..................................................................8

Approximate Battery Lifetime...................................................8

Auditory Behaviour ..........................................................................9

Auditory Behaviour -Test Overview..........................................9

Description of Various Tests ..................................................10

Auditory Behaviour Index for Infants......................................11

Reflex Audiometry by Neonates.............................................12

Maturation of Auditory Response...........................................12

Technical Specifications................................................................15

Unpacking / Inspection ..................................................................17

Contents of Shipment.............................................................17

Reporting Imperfections .........................................................18

Trouble Shooting............................................................................19

Recommended Literature ..............................................................20

Appendix: General Maintenance Procedures.............................21

Return Report..................................................................................23

PA5 Operation Manual Page 2

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PA5

Operation Manual

Introduction

Intended Use

The PA5 handheld paediatric screening audiometer is designed to

be a device for screening for hearing loss primarily amongst children.

Output and specificity of this type of device are based on the test

characteristics defined by the user, and may vary depending on

environmental and operating conditions. The screening for hearing

loss using this kind of audiometer depends on the interaction with the

patient. However, for children not responding well, various test

possibilities allow the tester of having at least some evaluative result.

Thus, a “normal hearing” result should not allow for ignoring other

contra indications in this case. A full audiologic evaluation should be

administered if concerns about hearing sensitivity persist.

Precautions

Be sure to use only stimulation intensities,

which will be acceptable for the patient.

The transducers (headphones, bone

conductor, etc.) supplied with the instrument

are calibrated to this instrument - exchange of

transducers require a recalibration.

WARNING indicates a hazardous situation

which, if not avoided, could result in death or

serious injury.

CAUTION, used with the safety alert symbol,

indicates a hazardous situation which, if not

avoided, could result in minor or moderate

injury.

NOTICE is used to address practices not

related to personal injury

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PA5

Operation Manual

It is recommended that parts which are in

direct contact with the patient (e.g. earphone

cushions) are subjected to standard disinfecting procedure between

patients. This includes physically cleaning and use of a recognised

disinfectant. Individual manufacturer's instruction should be followed

for use of this disinfecting agent to provide an appropriated level of

cleanliness.

Always remove the batteries when the

instrument is left unused for more than a

month.

Although the instrument fulfils the relevant

EMC requirements precautions should be

taken to avoid unnecessary exposure to

electromagnetic fields, e.g. from mobile phones etc. If the device is

used adjacent to other equipment it must be observed that no mutual

disturbance appears.

Electric and electronic waste may contain

hazardous substances and therefore has to be

collected separately. Such products will be

marked with the crossed-out wheeled bin shown below. The

cooperation of the user is important in order to ensure a high level of

reuse and recycling of electric and electronic waste. Failing to

recycle such waste products in an appropriate way may endanger

the environment and consequently the health of human beings.

Disposal of batteries must be made according to national

regulations.

PA5 Operation Manual Page 4

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PA5

Operation Manual

Warranty

INTERACOUSTICS warrants that:

•The TBS25 is free from defects in material and workman

ship under normal use and service for a period of 12

months from the date of delivery by Interacoustics to the

first purchaser.

•Accessories are free from defects in material and

workmanship under normal use and service for a period

of ninety (90) days from the date of delivery by

Interacoustics to the first purchaser.

If any product requires service during the applicable warranty

period, the purchaser should communicate directly with the local

Interacoustics service centre to determine the appropriate repair

facility. Repair or replacement will be carried out at Interacoustics’

expense, subject to the terms of this warranty. The product

requiring service should be returned promptly, properly packed,

and postage prepaid. Loss or damage in return shipment to

Interacoustics shall be at purchaser's risk.

In no event shall Interacoustics be liable for any incidental,

indirect or consequential damages in connection with the

purchase or use of any Interacoustics product.

This shall apply solely to the original purchaser. This warranty

shall not apply to any subsequent owner or holder of the product.

Furthermore, this warranty shall not apply to, and Interacoustics

shall not be responsible for, any loss arising in connection with

the purchase or use of any Interacoustics product that has been:

•repaired by anyone other than an authorized

Interacoustics service representative;

•altered in any way so as, in Interacoustics judgement, to

affect its stability or reliability;

•subject to misuse or negligence or accident, or which has

had the serial or lot number altered, effaced or removed;

PA5 Operation Manual Page 5

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PA5

Operation Manual

•improperly maintained or used in any manner other than

in accordance with the instructions furnished by

Interacoustics.

This warranty is in lieu of all other warranties, express or implied,

and of all other obligations or liabilities of Interacoustics, and

Interacoustics does not give or grant, directly or indirectly, the

authority to any representative or other person to assume on

behalf of Interacoustics any other liability in connection with the

sale of Interacoustics products.

INTERACOUSTICS DISCLAIMS ALL OTHER WARRANTIES,

EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF

MERCHANTABILITY OR FOR FUNCTION OF FITNESS FOR A

PARTICULAR PURPOSE OR APPLICATION.

PA5 Operation Manual Page 6

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PA5

Operation Manual

Basic Functions

Description of Control Panel

Indication of stimulus mode: Indication

LEDs informing the user of the present

stimulus mode: Tone, NB or WN.

Light:

Light button to switch on the three red

LEDs, which are arranged in a triangle

above the speaker in order to condition the

orientation reflex.

Stimulus:

Stimulus button to present the selected

stimulus Tone, NB or WN.

Select:

Select button to select between the three

different stimuli Tone, NB or WN.

Intensity dB HL:

With the intensity control switch intensities

between 20 and 80 dB HL can be selected

in steps of 10 dB when the distance

between the ear and the loudspeaker is 50

cm.

The PA5 is switched off by leaving the

intensity control switch in the “Off” position.

Frequency kHz:

With the frequency control switch it is

possible to select between the following

frequencies: 0.5, 1, 2, 3, and 4 kHz.

PA5 Operation Manual Page 7

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PA5

Operation Manual

Description of Stimuli Panel

Loudspeaker:

The loudspeaker is to be found

underneath the black grid. When used

the grid should be positioned in a

distance of 50 cm (20 inches) from the

ear in order to obtain the intensities

printed on the Control Panel.

LEDs:

Three LEDs arranged in a triangle for

conditioning of the orientation reflex.

Headphone Connector:

Connector for single Headphone

TDH39S (optional). When the

headphone is connected PA5 will

automatically go to Pure Tone

stimulation and correct calibration for

Pure Tone Audiometry with TDH39S will

be applied.

The connector is a 3.5 mm stereo Jack.

Pin assignment:

Tip = Not used

Ring = Signal

Sleeve = Signal

PA5 Operation Manual Page 8

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PA5

Operation Manual

Batteries

Replacing Batteries

To replace old batteries unscrew the small black lid in the narrow

end of PA5 and the batteries can be removed. Replace with three

new AA batteries. When inserting the new batteries please make

sure that they are inserted correctly according to the small drawing in

the bottom part of the control panel.

PA5 contains 3 batteries, size LR6, AA or Mignon. Alkaline or

rechargeable (NiMH or NiCa).

Approximate Battery Lifetime

The battery lifetime using alkaline battery type:

With the instrument switched off: 12 months

With 80 dB tone switched on: 10 hours

With 80 dB tone and light switched on: 4 hours

Battery Level indication:

When the batteries need to be replaced the LED indication for

the present used stimulus will gradually reduce in light

intensity and finally switch off.

Note: Always remove the batteries when the instrument is left

unused for more than a month.

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