Radio Shack Telephone Listener User Manual download pdf (Page 24)

Required Parts:

1.MicroMLxS

2.Digi SP’K processor

Microphone

Sensitivity control

Program selector

Digi SP and Digisonic BTE Neurelec

Fitting

The Digi SP and Digisonic BTE processors provide two additional

programmes (P3/P4) dedicated to any auxiliary input connexion.

The first use of the Phonak FM system will require a visit to the

audiologist to adapt these programmes to different sound environ-

ments following the procedure below:

1. Switch off the speech processor, FM receiver and transmitter.

2. Plug the MicroMLxS FM receiver directly into the auxiliary

(“AUX”) input of the processor.

3. Switch the processor on in P1 or P2, and switch on the

MicroMLxS receiver (preferably in the single green dot posi-

tion). The processor automatically detects the presence of the

receiver and switches from the standard programs P1/P2 to

the

specific P3/P4 to be set for the first use.

4. Use the implant programming software to adapt these specif-

ic programs (copy P1/P2 into P3/P4 and authorise the auxil-

iary input). Adapt the appropriate audio mixing of the FM and

headpiece microphone.

5. Determine speech perception in quiet with the CI alone and

then through the FM system. Performances should be similar

between these two conditions. If the FM is too loud or too

soft, it may be necessary to modify the input gain (micro-

phone and/or FM) until comparable performance is achieved.

6. Determine speech perception with the FM system in noise.

The audio mixing ratio may need to be changed to reach FM

benefit. Note: The sensitivity potentiometer remains accessible

to optimise hearing performances while using the FM system.

Listening Check/Troubleshooting

1. Follow the recommendations of the audiologist for checking

the performance of the Digi SP or Digisonic BTE processor.

2. The environmental and FM signals can be checked using the

dedicated function in the implant programming software.

3. Use a working hearing aid and audioshoe and plug in the

MicroMLxS to check the FM system. Speak into the transmitter

and listen for clear sound quality.

Note: Modification of the frequency can be performed as needed.

Indicator light

Direct MicroMLxS

connection

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Radio Shack Telephone Listener User Manual Page 24

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