RECD Refresher Course 17th November 2004 Setting prescriptive targets Greg Nassar Clinical Scientist MCHAS

RECD Refresher Course 17th November 2004 Prior to child arriving Select a clientSelect a client PTA (save and close as we don’t have PMS)PTA (save and close as we don’t have PMS) Select appropriate hearing aidSelect appropriate hearing aid Open HA software (new battery, connect leads, switch on then….)Open HA software (new battery, connect leads, switch on then….) Open REM softwareOpen REM software –DSL [i/o] or NAL-NL1 set-up screens –Calibrate new probe tube –Prepare coupler response

RECD Refresher Course 17th November 2004 DSL [i/o] set up on Unity Access via the screwdriver iconAccess via the screwdriver icon Check DOBCheck DOB Transducer- how did you test hearing?Transducer- how did you test hearing? HL to SPL- measured or manualHL to SPL- measured or manual RE to 2cc- Measured or manaulRE to 2cc- Measured or manaul Max Output (ULLs)Max Output (ULLs) Speech- UWO is specific child spectrum that takes child’s own voice into account (see Phonak Focus 20)Speech- UWO is specific child spectrum that takes child’s own voice into account (see Phonak Focus 20) Circuit- majority of HA on contract have fixed CR. If planning a linear strategy set to LINEARCircuit- majority of HA on contract have fixed CR. If planning a linear strategy set to LINEAR Compr. Threshold- minimum or if WDRC strategyCompr. Threshold- minimum or if WDRC strategy

RECD Refresher Course 17th November 2004 DSL [i/o] set up on Aurical First screenFirst screen Check DOBCheck DOB Transducer- how did you test hearing?Transducer- how did you test hearing? –Sound Field (uses REUR for HL- SPL transform) –Insert/custom (used EAR3 with earmould) –TDH- uses average REDD (discussed earlier) –ME Insert (more on this later) HL to SPL- predicted or measuredHL to SPL- predicted or measured HI typeHI type Compression type- as beforeCompression type- as before Compression Threshold- as beforeCompression Threshold- as before

RECD Refresher Course 17th November 2004 NAL-NL1 set up on Unity Similar to DSLi/o except:Similar to DSLi/o except: –Number of hearing aids –Limiting refers to how MPO on hearing aid is adjusted (single channel or multichannel) –Earmould acoustics –Number of compression channels ((new DSL m[i/o]) –Uses BC values (new DSL m[i/o]) –Can measure REIR & REAG

RECD Refresher Course 17th November 2004 NAL-NL1 set up on Aurical Same as previous but with additional control to select REAG or REIGSame as previous but with additional control to select REAG or REIG

RECD Refresher Course 17th November 2004 Hello young man! OtoscopyOtoscopy Tympanometry (if not performed during behavioural audiometry)Tympanometry (if not performed during behavioural audiometry) Measure RECDMeasure RECD –Save session, then re-open from session list Send him out/for a break/breather etc…Send him out/for a break/breather etc… Attach aid to couplerAttach aid to coupler –Close lid –50, 65, 80 dB speech noise (modulated on Aurical) –90 dB pure tone sweep Program aidProgram aid

RECD Refresher Course 17th November 2004 Demo then hands on practical session