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Effectiveness of T-switch

Mike Alf gmalf19 at mail.nwlink.com
Sat Jul 12 17:04:46 EST 1997

>You always lose gain (loudness) when you switch to the telecoil.  My 
>experience is that the sound run through the telecoil is never as loud as that 
>through the microphone, and especially with your son's degree of hearing loss, 
>he really may not hear anything through it.
>Your report of using the speakerphone and turning it up is a common statement 
>from the parents of kids with hearing loss, or they report just taking out the 
>hearing aid and using an amplified phone.
The Siemens Infiniti 3 S1 has separate programming for the telecoil.
Gain, response and agc can be programmed independent of the mic
channel.  Mixing of mic and telecoil channels is programmable.  A few
of their other models have this capability also.


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