ReSound Linx Quattro Instrucciones de montaje

A guide for professionals

ReSound LiNX Quattro

ﬁtting guide

First ﬁtting with

ReSound Smart FitTM

This ﬁtting guide gives an overview of how to ﬁt ReSound LiNX Quattro wireless hearing

instruments with ReSound Smart Fit. A ReSound LiNX Quattro 961 wireless binaural ﬁtting

is depicted. Not all features described in this ﬁtting guide are applicable for all ReSound

LiNX Quattro ﬁttings.

ReSound Smart Fit ﬁtting software supports all ReSound LiNX Quattro, LiNX 3D and

ENZO 3D hearing instruments.

Prior to connecting to ReSound Smart Fit

ReSound LiNX Quattro 61

Rechargeable ReSound LiNX Quattro hearing instruments can only be connected through wireless interface

and cannot be connected with cables. Ensure that the instruments are charged prior to connection. Note

that they cannot be connected while in the charger.

Insert Noahlink Wireless in a USB slot on the ﬁtting PC and wait for the message that new hardware has

been found. Then open ReSound Smart Fit.

ReSound LiNX Quattro 62

ReSound LiNX Quattro 62 hearing instruments require fresh batteries when ﬁtting. Remove the stickers

from the batteries to activate. Wait for two minutes before using the batteries for best results.

Wireless ﬁttings: Insert a Noahlink Wireless in a USB slot on the ﬁtting computer.

Wired ﬁttings: Ensure that the programming interface (Speedlink, Hi-PRO USB or NOAHlink) is connected.

Launch ReSound Smart Fit. For new ﬁttings, ReSound Smart Fit begins in the Smart Launcher.

Smart Launcher

Both ReSound Aventa and ReSound Smart Fit are contained within one software

installation. The Smart Launcher will detect ReSound LiNX Quattro, LiNX 3D and ENZO

3D hearing instruments as well as ReSound Aventa legacy instruments, and then retrieve

the software appropriate for the connected device.

1. For ReSound LiNX Quattro rechargeable 961, reboot the devices by placing them in

the charger and removing them. Or, reboot the hearing instruments by pressing and

holding the push button for 5 seconds until the LED light ﬂashes. This indicates the

instrument is ‘o’. Press and hold again until the light shows solid, meaning that is is ‘on’

again.

2. Click ‘Connect’ in the upper right of the Smart Launcher screen.

Select instruments

The hearing instruments will appear in the ‘Select Instruments’ section.

1. When the hearing instruments to be programmed have been identiﬁed, select them by

checking the left box.

2. Assign the hearing instruments to the right and left ears by choosing the correct radio

button for the right and left sides. When pressing ‘Beep Instrument’, the audio signal

will be played and the LED will ﬂash. It is recommended to beep the instrument for

conﬁrmation that the instrument selected in the software is in fact the instrument

being used in the ﬁtting and on the correct side.

3. Select ‘Continue’ in the lower right of the screen once the hearing instruments are

selected and assigned.

Connection ﬂow

Once the hearing instruments have been selected the connection process will begin.

1. Select instrument conﬁguration and click ‘Continue’.

3. Calibration of the hearing instruments is required in order to activate DFS

Ultra II. Inform your patient that he or she will hear a buzzing sound

and should sit still and quiet during calibration. Click ‘Calibrate’ in the

lower right corner. When calibration is complete, click ‘Continue’.

2. Select physical properties of the instrument and click ‘Save’.

Patient proﬁle screen

1. Select the Patient Experience Level based on the ampliﬁcation history.

2. Set the desired programs to be used in the initial ﬁt.

3. Click ‘Fit Patient’ button in the lower right corner to move to Fitting Screen.

Note: Access to ReSound Assist can be found in the tabs under the red navigation

bar on the Patient screen. ReSound Assist is defaulted ‘on’ in Smart Fit 1.3. To be

active in the hearing instruments and appear in the Smart 3D app, the patient

must provide consent during the ﬁtting process.

4. Verify connected hearing instruments. Click ‘Continue’ to proceed to the Patient

Proﬁle screen or pair Accessories by clicking ‘Accessories’.

Advanced features

Advanced feature settings can be modiﬁed by selecting the appropriate drop down menu

or by moving the slider to the desired level. These feature settings apply only to the

currently selected program.

Directionality

Binaural Directionality III: Leverages ReSound’s 2.4 GHz wireless technology to allow the hearing

instruments to work together, dynamically selecting the best microphone response for the listening

environment. Possible conﬁgurations are bilateral omnidirectional, bilateral directional or an asymmetric

omnidirectional and directional response, depending on the analysis of speech and noise detectors from

both hearing instruments. This provides the optimal combination of speech understanding in noise plus a

more natural sense of surroundings.

Natural Directionality II: The Focus (directional) ear and Monitor (omnidirectional) ear are prescribed

based on the audiogram and any speech audiometry data that may be available.

Spatial Sense: An omnidirectional microphone response which mimics the human ear’s natural response

to sound, which preserves spatial cues and helps with the localization of sound sources.

Soft Switching: Seamlessly enables and disables AutoScope/MultiScope Adaptive Directionality™

depending on the listening environment. The response can be either omnidirectional or directional, based

on whether noise is present and the direction of speech in the listening situation.

Auto Scope: Adaptive Directionality enables the beam width to automatically widen or narrow depending

on the acoustic surroundings.

Directional Mix

All directional microphone modes have both omnidirectional and directional processing through the

frequency spectrum. The setting determines the degree of directionality in the output of the hearing

instrument(s). Directional Mix applies omnidirectional processing below a crossover frequency and

directional processing above that frequency. The default setting is prescribed depending on the hearing

instrument model selected and the degree of low frequency hearing loss. If the patient is still experiencing

diculty hearing in noise increasing the directional mix may help.

Note: Click the

information icons for

a short explanation

of the feature. Some

information text

may be clickable and

redirect to an in depth

explanation and video.

DFS Ultra II

This is the feedback control. It is activated when the devices have been calibrated for DFS Ultra II. The default

setting is Mild. Adjust the setting to a stronger level (Moderate or Strong) if concerns for feedback arise. The

Music Mode setting is a Mild setting, typically used for music programs or if the patient experiences feedback

only when tonal sounds occur (for example, from a musical instrument).

Noise Tracker II

Noise Tracker II noise reduction uses spectral subtraction to reduce noise between words and syllables in

many real-world noisy environments. The Per Environment setting allows for personalized noise reduction

settings in seven environments. The environments include Quiet, Soft Speech, Loud Speech, Moderate

Speech in Noise, Loud Speech in Noise, Moderate Noise and Loud Noise, and classiﬁcation is performed

on a continuum if the listening situation has characteristics of more than one listening environment. If a

patient is reporting speciﬁc issues such as hearing conversation in restaurants, for example, the hearing

care professional can precisely increase the Noise Tracker II setting only for restaurant-like environments,

including Moderate Speech in Noise or Loud Speech in Noise. This maintains the setting for other

environments, permitting a great amount of ﬁtting precision and personalization. Alternately, the Mild,

Moderate and Strong settings of Noise Tracker II apply the same level of noise reduction for all listening

environments, when noise is present.

By scrolling down or

pulling up the lower

part of the Advanced

Features screen, all

the features available

for the connected

hearing aid can be

viewed.

Impulse Noise Reduction

Sudden impulse sounds can be uncomfortable for those using hearing instruments. Impulse Noise

Reduction detects the loud impulse sound and attentuates it instantaneously. The feature can be set to

three dierent degrees, with mild as the default setting. Increasing the setting will decrease the threshold

to which the feature will react, or in other words, increase the aggressiveness. Stronger setting will also

increase the amount of attenuation.

Wind Guard

Wind Guard applies noise reduction speciﬁcally for windy situations. The default setting is o. If a patient

is experiencing too much wind noise, increase the setting to a stronger level. If the patient experiences the

hearing aid becoming quiet occasionally in outdoor situations, reduce the setting to a milder level.

Auto DFS

Auto DFS is a feedback control setting that is activated automatically before the hearing instrument has

been calibrated for DFS Ultra II. Once DFS Ultra II has been calibrated, this setting is grayed out, and cannot

be reselected unless the hearing instrument has been restored to factory settings. Auto DFS is designed

for use when a patient is unable to return to the clinic for the ﬁtting, and the hearing instrument is instead

shipped to the patient from the hearing care professional. It applies a mild level of feedback cancellation, but

as it has not been calibrated for the patient’s ear, it may not be as eective at controlling feedback as a Mild

setting of DFS Ultra II.

Sound Shaper

Sound Shaper applies proportional frequency compression to the ﬁtting. Higher frequencies are lowered to a

more usable or audible range for the patient. As patient candidacy criteria for the use of frequency lowering

is based on many factors, the default setting is o. However, if the hearing care professional perceives the

patient could beneﬁt from frequency lowering, in the case of continued diculties with speech recognition or

previous success with frequency lowering features, Sound Shaper can be activated.

Low Frequency Boost

Should a patient ﬁtted with an Ultra Power device feel that the sound is not full enough or loud enough,

low frequency boost is a quick way to increase the low frequency gain from 250 – 1000Hz.

Phone Accessories

Features related to the streamed sound from a Phone Clip+, or a smart device that is capable of direct

streaming, are located at the lower portion of each environmental program tab. Streamed sound will

inherit the gain settings of the environmental program that is being used during the time of streaming.

While the phone accessory features can be adjusted within the individual program tabs, it is important

to note that settings are applied across programs, therefore phone accessory features changes made

in one program will also be reﬂected in others. Please note when viewing Data Logging the time spent

streaming from the phone will be collected within the manual program that is being used during

streaming.

Environmental Optimizer II

Environmental Optimizer II allows speciﬁc gain adjustments for seven dierent environments, ensuring

the user receives optimal gain and noise reduction settings as the acoustic environment changes.

Classiﬁcation is performed on a continuum if the listening situation has characteristics of more than

one listening environment. With binaurally ﬁt wireless devices the hearing instruments will optimize

and synchronize the Environmental Optimizer II settings for a binaural ﬁtting. If a patient experiences

diculty in a particular listening environment adjust the sliders to assign environment speciﬁc gains

without requiring a manual program change.

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