background image

 

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0125127

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27

 

If

 

a

 

more

 

specific

 

frequency

 

analysis

 

of

 

the

 

feedback

 

is

 

desired,

 

change

 

the

 

resolution

 

of

 

the

 

system

 

to

 

1/24

 

octave

 

and

 

adjust

 

the

 

smoothing

 

in

 

the

 

General

 

LSM

 

or

 

REM

 

settings

 

menu.

  

This

 

image

 

shows

 

the

 

similar

 

feedback

 

as

 

above

 

at

 

1/24

 

octave,

 

smoothing

 

1.

  

Using

 

this

 

information,

 

make

 

any

 

necessary

 

adjustments

 

to

 

the

 

hearing

 

instrument

 

to

 

reduce

 

or

 

remove

 

the

 

feedback.

 

 

Hearing

 

Loss

 

Simulator

 

The

 

Hearing

 

Loss

 

Simulator

 

demonstrates

 

the

 

effect

 

of

 

the

 

client’s

 

hearing

 

loss

 

for

 

the

 

significant

 

third

 

party.

 

The

 

program

 

attenuates

 

an

 

input

 

signal

 

to

 

simulate

 

the

 

audiogram.

 

The

 

third

 

party

 

listens

 

to

 

the

 

free

 

field

 

speakers.

  

The

 

Hearing

 

Loss

 

Simulator

 

requires

 

the

 

client’s

 

Audiogram

 

data.

 

This

 

data

 

can

 

be

 

manually

 

entered

 

in

 

the

 

Audio

 

screen

 

of

 

this

 

or

 

any

 

other

 

task.

 

How

 

to

 

use

 

the

 

Hearing

 

Loss

 

Simulator

 

1.

 

Select

 

the

 

Hearing

 

Loss

 

Simulator

 

tab

 

on

 

the

 

toolbar.

  

2.

 

Enter

 

the

 

Audiogram

 

values

 

manually

 

if

 

the

 

data

 

is

 

not

 

automatically

 

imported

 

to

 

this

 

screen.

 

3.

 

Select

 

the

 

input

 

signal

 

type:

 

File

 

or

 

CD.

 

Select

 

the

 

track

 

and

 

the

 

Play

 

button

 

on

 

the

 

control

 

panel.

 

The

 

HLS

 

output

 

is

 

directed

 

to

 

the

 

free

 

field

 

loudspeakers.

  

4.

 

Select

 

Simulate

 

to

 

turn

 

on

 

the

 

simulation

 

of

 

the

 

client's

 

hearing

 

loss.

 

Deselect

 

Simulate

 

to

 

present

 

the

 

stimulus

 

as

 

a

 

normal

 

hearing

 

person

 

would

 

perceive

 

the

 

sound.

 

Toggle

 

between

 

these

 

selections

 

as

 

necessary.

  

5.

 

The

 

Reset

 

option

 

restores

 

the

 

audiogram

 

to

 

the

 

original

 

state.

 

Use

 

this

 

option

 

if

 

you

 

have

 

modified

 

the

 

audiogram

 

while

 

in

 

the

 

simulate

 

mode

 

but

 

want

 

to

 

undo

 

the

 

changes.

 

The

 

changes

 

to

 

the

 

Audiogram

 

that

 

are

 

made

 

on

 

the

 

HLS

 

screen

 

are

 

temporary

 

and

 

will

 

not

 

affect

 

the

 

client's

 

original

 

audiometry

 

record.

 

6.

 

A

 

volume

 

control

 

adjustment

 

bar

 

allows

 

modifying

 

the

 

audio

 

for

 

manual

 

adjustment

 

of

 

the

 

output

 

level

 

of

 

the

 

free

 

field

 

speakers.

 

This

 

allows

 

the

 

practitioner

 

to

 

demonstrate

 

improvements

 

to

 

hearing

 

loss

 

with

 

amplification

 

or

 

what

 

happens

 

when

 

further

 

hearing

 

loss

 

occurs.

 

7.

 

To

 

stop

 

the

 

playback,

 

select

 

the

 

Stop

 

button

 

on

 

the

 

player.

  

Note:

 

It

 

is

 

recommended

 

you

 

use

 

a

 

variety

 

of

 

tracks

 

from

 

the

 

list

 

to

 

demonstrate

 

the

 

hearing

 

loss.

 

Master

 

Hearing

 

Aid

 

Master

 

Hearing

 

Aid

 

is

 

an

 

alternative

 

to

 

using

 

a

 

stock

 

hearing

 

aid

 

to

 

demonstrate

 

the

 

benefits

 

of

 

amplification

 

to

 

an

 

inexperienced

 

user.

 

The

 

system

 

applies

 

the

 

fitting

 

rules

 

by

 

default

 

to

 

the

 

patient's

 

audiogram

 

and

 

simulates

 

a

 

hearing

 

aid.

 

The

 

patient

 

listens

 

to

 

this

 

signal

 

through

 

the

 

headphones.

 

Options

 

for

 

editing

 

the

 

gain

 

applied

 

to

 

the

 

audiogram

 

are

 

provided.

 

About

 

the

 

Master

 

Hearing

 

Aid

 

Display

 

The

 

Master

 

Hearing

 

Aid

 

screen

 

displays

 

a

 

graph

 

with

 

dB

 

Gain

 

on

 

the

 

vertical

 

axis

 

and

 

Frequency

 

in

 

Hz

 

on

 

the

 

horizontal

 

axis.

 

The

 

plot

 

on

 

the

 

graph

 

represents

 

the

 

gain

 

applied

 

to

 

the

 

patient’s

 

Audiogram.

 

The

 

NAL

Содержание Avant REM+

Страница 1: ...D 0125127 C 1...

Страница 2: ...d 105 Largo FL 33771 U S A Toll Free 888 392 1234 727 584 9600 Fax 727 584 9602 Email medrx medrx diagnostics com MedRx s Authorized Representative in Europe DGS Diagnostics A S Audiometer Alle 1 5500...

Страница 3: ...ep Guide to Live Speech Mapping 16 Speech Mapping with Recorded Inputs 17 Speech Mapping with Live Voice Inputs 18 Running Speech Mapping On Top 19 MedRx Live Speech Mapping Protocol 19 Real Ear Measu...

Страница 4: ...ect Help Topics Select an item from the list in the Index tab and click Display Measurement uncertainty is 1 dB Getting to Know Your AVANT REM Intended Use Statement The hearing aid analyzer is intend...

Страница 5: ...with your REM device Use of unapproved accessories is not recommended Probe Microphones Probe Mic Hanger Headphones Optional DC Power Supply Optional Bluetooth Active Speaker Bluetooth Speaker Audio...

Страница 6: ...h the Red Blue connectors Place a small flat head screw driver on the small orange tabs and push down while inserting a speaker wire into the opening then remove the screw driver Be sure the wire is s...

Страница 7: ...ll the hook on the back side of the probe mic Pull hook down to seat on the post 3 Once installed the large O rings should be adjustable for fitting 4 Gently press clip into place 5 Turn clip over pla...

Страница 8: ...placed at a distance of about 1 meter 19 39 from the patient for normal use It is preferred to plug the speaker into the power supply but it may be powered by the internal battery The Bluetooth option...

Страница 9: ...Studio shortcut on your Windows Desktop Noah Launch Noah Select a patient Launch MedRx Studio module following Noah procedures Basic Software Options Several options are available which allow the user...

Страница 10: ...op right corner of the software or pressing the F1 key Live Speech Mapping Select LSM from the main menu Top Tool Bar The Tool Bar icons have the following functions 1 On Top Window 2 Tube Calibration...

Страница 11: ...Ear Selection 2 Stimulus Selection 3 Viewing Mode 4 Open Fit Function 5 Start Stop Buttons The Target Selection icon sets up 1 Target type 2 Client information 3 Hearing aid parameters The Display ico...

Страница 12: ...ets your default view and default target levels The General tab defines the default appearance of the Live Speech Mapping test environment The Fitting tab sets the default fitting rule client informat...

Страница 13: ...tab sets the tests displayed in the Live Speech Mapping module The REUR tab sets the default appearance and units displayed on the REUR graph The REOR tab sets the default appearance and units display...

Страница 14: ...positioned in such a way that nothing blocks the path of the emanated sound in front and on the sides of the speaker For example positioning a speaker behind a monitor is incorrect and can severely af...

Страница 15: ...be at least 70 dB to complete a valid calibration If the screen prompt indicates the signal is too low increase the volume on the loudspeaker or move the patient closer and restart the calibration Re...

Страница 16: ...ed you may manually enter the audiometric data into the REM software as follows 1 Under General then Shown Tests select show Tone 2 Select AUD module located at the top left of the software 3 Using yo...

Страница 17: ...suring A pure tone or white noise will be presented and once it reaches the selected input level with the slide bar the chosen track will play When enough data is collected click the Stop button to st...

Страница 18: ...ing MedRx Modified Speech Spectrum DSL IO NAL NL2 NAL NL1 Speech Mapping with Live Voice Inputs Using the microphone allows measurement of both the professional s voice and that of a third party e g t...

Страница 19: ...full control over the measurement environment firmly in the hands of the hearing care professional The system is powerful yet extremely flexible allowing each provider to use Live Speech Mapping in a...

Страница 20: ...solution 7 Carefully place the hearing instrument in the ear without disturbing the probe tube 8 Complete a Live Speech Mapping measurement AIDED LSM 9 Using the On Top mode make any adjustments neede...

Страница 21: ...e Help files under the topic Signal Types Access these by clicking on the Help tab at the top of the screen and selection Help Topics Select an item from the list in the Index tab and click Display Me...

Страница 22: ...of the window Stimulus Signal Types Pure Tone A pure sine wave Crest Factor 1 41 3 0dB Broadband Noise BBN Uniform random noise with normal Gaussian amplitude distribution Can be weighted to White Pi...

Страница 23: ...as steep as Byrne weighted so there is more power in higher octaves This will result in less gain required by the hearing aid to reach targets but may result in under fitting at high frequencies Cres...

Страница 24: ...rel or feel blocked up These are signs of a build up of self generated low frequency energy in the ear canal This excessive occlusion can be measured objectively in the Occlusion Effect task The Real...

Страница 25: ...rn the compression and noise reduction circuits off Using open fit hearing aids for RECD measurements may result in invalid low and mid frequency measurements because of insufficient gain at those fre...

Страница 26: ...In this case to obtain another RECD only REAR with insert headphone measurement is necessary This is possible because the coupler response does not change provided that neither the coupler nor the in...

Страница 27: ...l hearing person would perceive the sound Toggle between these selections as necessary 5 The Reset option restores the audiogram to the original state Use this option if you have modified the audiogra...

Страница 28: ...ayer panel to control the playback CD allows the user to play music CDs After the option is activated use the player panel to control the playback How to use the Master Hearing Aid 1 Select the Master...

Страница 29: ...late with the pencil icon Editing a template will open the print editor and allow you to adjust print elements 8 Duplicate existing templates icon 9 Delete template icon To Use an Existing Print Templ...

Страница 30: ...8 Drag and drop elements onto the page to create your template a You can combine data from multiple modules into a single template b Elements may overlap and will stack cover previously added elements...

Страница 31: ...to many beautiful colors These take the shape of a long round arch with its path high above and its two ends apparently beyond the horizon There is according to legend a boiling pot of gold at one end...

Страница 32: ...exception of transducers and cables sold by the manufacturer of the Avant REM as replacement parts for internal components may result in increased emissions or decreased immunity of the Avant REM The...

Страница 33: ...Non applicable Guidance and manufacturer s declaration electromagnetic immunity The Avant REM is intended for use in electromagnetic environment specific below The customer or the user of the Avant R...

Страница 34: ...ers m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vici...

Страница 35: ...s 150 kHz to 80 MHz d 1 17 P 80 MHz to 800 MHz d 1 17 P 800 MHz to 2 5 GHz d 2 33 P 0 01 0 12 0 12 0 233 0 1 0 37 0 37 0 74 1 1 17 1 17 2 33 10 3 7 3 7 7 40 100 11 7 11 7 23 3 For transmitters rated a...

Страница 36: ...C to 50 C and humidity level from 10 to 90 All components with patient contact are made of bio compatible materials This device does not produce any adverse physiological effects Install the device a...

Страница 37: ...MedRx Authorized Representative in Europe Non ionizing electromagnetic radiation Special Disposal Required Humidity Limitation Caution General warning sign Temperature limitation Read the instruction...

Страница 38: ...n cloth or sealed Alcohol swabs for each device to be cleaned 4 Wipe the surfaces of the probe microphone black ear loop and headphone pads with the 70 Isopropyl Alcohol Clean other transducers in the...

Страница 39: ...Real Ear Unaided Gain Real Ear Insertion Gain Real Ear Occluded Response Real Ear Occluded Gain Real Ear Aided Response Real Ear Aided Gain Other Test Available Live Speech Mapping with Peaks and LTAS...

Страница 40: ...of the purchaser MedRx shall not be liable for any consequential or incidental damages or for breach of any express or implied warranty Except to the extent of applicable law any implied warranty merc...

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