Widex M-DEX User Instructions page 51

problem
sound from
Bluetooth/
jack too low
and/or noisy
M-DEX takes
a long time to
charge or
does not
charge at all
program
shown in
M-DEX not
the same as in
the hearing
aid
Incoming call
screen is
shown but no
telephone
ringing tone is
heard in the
hearing aids
when a tele-
phone key is
pressed, the
hearing aids
beep and
change to an-
other pro-
gram
possible cause
sound not turned up
loud enough
Charger used is not
the correct one
M-DEX and hearing
aid not matched cor-
rectly
some telephones do
not produce a ringing
tone in the hearing
aids if telephone is set
to silent
the M-DEX is not
within range
some telephones
send keypad tone to
the M-DEX
Solution
turn up the volume of
the device connected
to the M-DEX and turn
down to a suitable
volume on the M-DEX
Use the charger in-
cluded with your
M-DEX
ask your hearing care
professional to match
again
turn off the silent
function on your mo-
bile phone
Move it within range
(up to 50 cm)
turn off keypad tone
on the telephone
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