30
Problem
Potential cause
Solution
The hearing
aids do not
respond with
a correspond-
ing change
in volume or
program to
the RC-DEX
a. The RC-DEX is
used beyond
the trans mission
range (> 1 m)
b. Strong electro-
magnetic interfe-
rence in the
vicinity
c. The RC-DEX
and the CLEAR
hearing aids are
not matched
a. Move the RC-DEX
closer to the CLEAR
hearing aids
b. Move away from
known source of EM
interference
c. Check with dispenser
to make sure RC-
DEX is matched with
CLEAR hearing aids
The wearer
hears “inter-
rupted”
speech (on
and off) from
the hear-
ing aids or
no speech
(muted) from
the trans-
mitting ear.
a. The battery in
one of the hearing
aids has expired
b. Strong electro-
magnetic interfe-
rence in the
vicinity
a. Replace battery in
one or both hearing
aids
b. Move away from
known sources of
interference