oticon Sumo XP Fittings Manual Download Page 18

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technology and audiology to create

the best hearing instruments. That’s

why we put the individual needs

and wishes of hearing impaired

people first in our development of

new hearing care solutions.

904 52 610 07/02.03 Printed in Denmark

Summary of Contents for Sumo XP

Page 1: ...Fitting Guide Sumo XP...

Page 2: ......

Page 3: ...that this population may have reduced dynamic range dead zones within the cochlea large variability in speech perception scores increased distortion lower audibility of signal and often quite poor spe...

Page 4: ...near rationales including three of the most popular for power fittings POGO II BC NAL RP and DSL i o as well as Correll 2 and SSM Click on the Change button to access the rationales Detect Instruments...

Page 5: ...w as shown in the following 5 steps In addition to these steps important information is provided in this guide about Fitting SUMO to children Earmould Considerations and Troubleshooting 5 Step 2 Fitti...

Page 6: ...ly in front of the client Then talk closer and closer to the ear You should always start carefully so you do not cause unnecessary discomfort Try to distinguish between a loud sound as being indeed to...

Page 7: ...en Select Limiting Options MPO Level AGC fast PC AGC fast PC has a fast attack time 5 ms which results in rapid gain reduction preventing distortion even for quickly changing sounds PC Peak clipping i...

Page 8: ...feedback occurs you still may wish to run the FBM tool to provide more high frequency gain at higher volume control levels When adjusting for feedback it is very important that the client is active du...

Page 9: ...prescribed within this area then it is likely that there will be feedback unless the earmould is very tight When running the FBM tool a Measured Feedback Area will be reset to match the client s own...

Page 10: ...ck the Frequency Response Crossover Frequency Adjusts the frequency at which point the A Gram slope circuit cuts the low and high frequencies The trimmer may be used to fine tune the frequency respons...

Page 11: ...the Full range and that the VC is set to preferred level 2 When changing VC Range consider the listening environments the client is exposed to during the day If the loudness of the sound level changes...

Page 12: ...ther improve the telecoil strength FM DAI fitting tips 1 When using the SUMO FM adapter shoe part 399 50 920 and a plug in FM receiver SUMO s default switch setting becomes M Microphone 1 Microphone F...

Page 13: ...king the earmould Earmould fitting tips 1 To make a good tight earmould the impression is very important A good impression is characterized by a relatively long tip and that all parts of the concha ar...

Page 14: ...nds upon measured or predicted RECD and REUR values Predicted values are based upon the child s age Great care should be taken when fitting SUMO to a child because of the high MPO and Gain Therefore t...

Page 15: ...am 1step UCL 2 dB If A Gram is in LC Gain 2 dB A Gram 1 step If A Gram is in HC Gain 2 dB In noise In quiet Gain 1 dB A Gram 1step If A Gram is in HC Gain 1 dB Low Frequencies A Gram 1step If A Gram i...

Page 16: ...1 step If A Gram is in LC Gain 2 dB Decrease UCL 2 dB A Gram 1 step UCL 2 dB If A Gram is in HC Gain 2 dB A Gram 1 step UCL 2 dB If A Gram is in LC Gain 2 dB Low Frequencies All High Frequencies All L...

Page 17: ...ep A Gram 1 step If A Gram is in HC Gain 2 dB A Gram 1 step A Gram 1 step If A Gram is in HC Gain 2 dB Gain 2 dB A Gram 1 step If A Gram is in HC Gain 2 dB Gain 2 dB Run the Feedback Manager Run the F...

Page 18: ...re than technology and audiology to create the best hearing instruments That s why we put the individual needs and wishes of hearing impaired people first in our development of new hearing care soluti...