Steps for better business

FAQs About Fitting

No matter how long you’ve been a hearing care professional, you never stop learning. Whatever your question, there’s a good chance we’ve come across it before and can answer it immediately. Make our FAQs about fitting your first stop for answers.

Connexx 7

Can you program a micon aid with a non micon aid (ex Pure XCEL) within Cxx7?
AnswerClose

No, CXX7 only supports micon instruments.

What are computer requirements for running CXX 7?
AnswerClose

For detailed system requirements please check Connexx 7 CD Booklet

Will the counseling suite be automatically in CXX7 or do you have to install separately?
AnswerClose

You need a separate CD.

In order to use the In-SituGram for the First Fit, hearing thresholds must be obtained for at least 500 Hz, 2 kHz and a third frequency. Must the 3rd frequency be higher than 2 kHz?
AnswerClose

It must be between 500 Hz and 4000 Hz.

FirstFit

How does the critical gain measurement affect changes in gain targets?
AnswerClose

When using ConnexxFit, even when an individual critical gain measurement (CGM) is not performed, an average critical gain curve is used in the background when calculating the targets. If in certain channels, the prescribed gain target exceeds the critical gain curve, then the target automatically drops to minimize feedback. When an individual CGM is performed during First Fit, it replaces the average critical gain curve. Meaning, if the individual’s curve is “better” (less prone to feedback) than the average, then more gain can be applied in certain channels and the targets are therefore set to be higher (ie: you’ll actually get more gain than if you didn’t do the individual CGM). On the other hand, if the individual CGM turns out to be “worse” than the average (more prone to feedback), then the gain targets are further reduced to accommodate it. In this case, CXX will also compensate for this reduced gain in the higher frequencies by increasing the gain targets in the frequencies where feedback is less likely to occur (in the mid frequencies). This way, gain targets are optimized when CGM is done as a part of the First Fit. However, if the individual CGM is done afterwards (by clicking the CGM button in the toolbar), and not as a part of the First Fit, then this optimization of gain does not occur. Meaning: gain targets will only drop if the individual critical gain curve is worse than the average and the compensated increased in the mid frequencies will NOT occur. If it’s better the average, gain targets also will NOT increase.

If I redo the FirstFit for hearing aids with previously learned settings, I do need to manually hit the “reset” button in the SoundLearning window?
AnswerClose

No.  All learned settings are automatically reset every time FirstFit is applied.

What are the reasons for selecting the actual acoustical parameters prior to FirstFit?
AnswerClose

There are three main reasons:

  1. Achieve better match to target.  FirstFit accounts for loss of low frequency gain due to venting
  2. Statistical CGM is affected by the size of the vent.
  3. ConnexxFit automatically selects the optimum base formula and target gain modifications based upon ear canal acoustics, which would of course include tip, venting, etc.
When I use standard fitting formulas such as NAL & DSL, I get the same targets no matter which device I choose, how come when I select ConnexxFit, the targets vary depending upon the device?
AnswerClose

When a standardized prescriptive target such as NAL/DSL is selcted, the the amount of gain prescribed should be the same, regardless of the device.  But ConnexxFit takes into account factors that these prescriptive methods do not, and as a result, with ConnexxFit provides different targets depending on the device.  For example, an open fitting Life provides different target than with Motion with an earmold.  This is because ConnexxFit takes ear acoustics into account as well as average critical gain values (even when an individual CGM is not performed) to minimize feedback.  In addition, ConnexxFit also takes into consideration FOG (including the receiver performance) of the instrument.  So, if a smaller receiver or a less powerful device simply cannot provide the gain a specific hearing loss requires, ConnexxFit provides targets that near, but do not exceed FOG.

Where can I increase gain to improve speech intelligibility without increasing the risk of feedback?
AnswerClose

To improve speech intelligibility, increase gain between 1 and 3 kHz.  This region is more important for speech understanding and is less likely to cause feedback.  Only when this is insufficient, then raise gain at 4k Hz.

Connexx 6

ConnexxLink

Are the combined effects of Learning applied at the next power-on session?
AnswerClose

Yes.

Do I have to select the function “Program Hearing Instrument” after every change of the hearing instrument settings in order to make the change audible?
AnswerClose

No. You can activate/deactivate the option “program automatically change of controls” in the SettingsàPreferences menu. When this option is activated, every change of the control is immediately programmed in the hearing instrument. When the option is deactivated, you have to click Fitting -> Program or simply press key F9 to make the change of control audible.

How does SoundLearning differ from DataLearning?
AnswerClose

SoundLearning includes the functionality of DataLearning – that is, the automatic learning of volume preferences by the patient – and combines it with the ability to learn these gain changes and treble changes by input – soft, average, and loud.  This gives the patient the advantage of enjoying their preferred volume levels in many different environment without having to do anything other than adjust their volume as they like for a short period of time until the hearing instruments are trained.

The toolbar contains too many buttons for my day-to-day work. On the other hand, I would like different functions in the toolbar. Is that possible?
AnswerClose

Yes. In Connexx you can very easily configure your own personal toolbar. Select “Toolbar” in the Settings menu or double-click on the space between function buttons in the toolbar with the right mouse button.

What is the learning period (time) for the various programs?
AnswerClose

For programs designated as “phone”, the learning can take place within 4 hours.  For other situations, it may take longer – up to two weeks, depending on how much or little time the patient spends in that particular program.

ConnexxLink

Does the patient need to have the ConnexxLink around the neck for the fitting? Does the distance have an impact on programming speed?
AnswerClose

The Wireless Programmer ConnexxLink has to be worn around the neck during fitting. The distance between ConnexxLink and the hearing instruments must not exceed 0.25m (~ 10 inches). The distance does not affect programming speed.

If we add a USB hub, does it slow down the information transmission?
AnswerClose

No

Is the transmission mode of ConnexxLink Bluetooth like the Noah Link & will it have a similar USB connection?
AnswerClose

Technically it is similar. ConnexxLink is delivered with a pre-paired USB Bluetooth dongle. You simply have to connect the dongle to the PC and run the installation procedure. ConnexxLink also can be used in parallel to NoahLink

Will we have compatibility between different manufacturers on wireless programming?
AnswerClose

ConnexxLink works with Siemens, Rexton, and Audio Service.