with the induction coil in the hearing aid and it
will therefore not operate in the »T« position.
If your telephone is not compatible with the
induction coil, you can still use the hearing aid
with the mode switch set in »M« position. Place
the telephone receiver close to the microphone
of the hearing aid, but not directly on the micro-
phone. If you are in doubt about the compatibi-
lity of telephones in your area, please don‘t hesi-
tate to contact your Hearing Aid Professional.
Induction loop systems
To take advantage of a induction loop system,
move the mode switch either to »MT« or
»T« position. In »MT« position you will be
able to hear both induction loop signal and
microphone signal. If the aid does not work in
»MT« or »T« position the reason can be that
the induction loop system doesn‘t operate.
If the theatre or your church does not have
the tube. If cerumen is stuck in the sound ca-
nal of the ear mould, a syringe with lukewarm
water can easily be used to “wash“ the ceru-
men out. The connecting silicone tube between
ear mould and hearing aid should be changed
if the tubing becomes stiff or brittle. To ensure
that ear mould and tube are in good condition,
please contact your Hearing Aid Professional.
Telephone use
To telephone while wearing your hearing aid
requires some practice. Many hearing aids will
whistle when the phone is near the hearing aid.
To avoid this problem, the VIPER 170P is equip-
ped with an induction coil. By switching the
mode switch to »T« position, the hearing aid will
only receive the sound from the telephone. You
can increase the volume at the volume control
so that the signal is comfortably loud.
Unfortunately not all telephones are compatible
