P
ersonal Listening system
Operating instructions
Thank you for choosing the Crescendo
50 personal listening system. Before
u
sing the system, please read these
o
perating instructions to benefit from
all the capabilities of the system and it
will give you many hours of reliable
listening performance.
The Crescendo 50 will help you to
communicate with confidence. It is a
batter
y powered amplifier that can
r
eceive sound fr
om various sour
ces, and
t
hen amplify that sound to the way you
l
ike to listen.
T
he Crescendo 50 has a wide-ranging
t
one contro
l that can boost the high and
low fr
e
quencies accord
ing to your
hearing needs.
Ther
e
are
options enabling you to use the
system with or without a hearing aid.
■ R
otary Volume control.
■ Rotary Tone control.
■ Belt clip.
■ Neck cord.
■ Uses 2 X AA alkaline batteries giving
over 60 hours of use with a headset.
■ R
echar
g
eable batteries can be used.
B
attery life will depend on battery
capacity.
■ Input selection mode switch
(Microphone, Aux, T/Loop)
■ Power On Light with low batter
y
indication
■ Inter
nal micr
ophone
S
elect
M o
n the mode switch
F
or general listening without trailing
wires.
■ External microphone
Select M on the mode switch
For general listening using a long lead
micr
ophone to get right to the sound
source.
Plug the micr
o
phone into the socket
with the Micr
ophone symbol (MIC)
■ Direct connection
Select A on the mode switch
T
o listen with maximum clarity to
T
V or Audio fro
m the SCART
, RCA
Phono or Jack outputs.
Plug the appr
opriate lead into the
socket with the Micr
ophone symbol
(MIC)
■ Loop r
eceiver
For non hearing aid users only
Select
T on the mode switch
To listen to or check existing loop
systems for hearing aid users.
Use with headset or headphones
to act like a hearing aid on “T”
position.
■ Stethoscope Headset
W
ear this lightweight headset under
the chin for maximum sound levels.
■ Headphones
W
ear any conventional over the head
Headphones with 32 ohm impedance
with a 3.5mm stereo jack plug.
■ Earphones
Any in-ear earphones with a 3.5mm
stereo jack plug.
■ Neck Loop
Can be wor
n ar
ound the neck to
transmit the sound directly to the
hearing aid on the “T setting”.
■ Ear hook
W
or
n adjacent to the behind the ear
hearing aid to transmit the sound
directly to the hearing aid on the
“T setting”.
■ Direct connection to hearing aid
Direct connection to a hearing aid
with the appropriate facility and lead.
Introduction
Precautions
P
roduct Overview
WARNING
The sound input from this
system can be very high:
S
witch off before
changing the batteries or
plugging or unplugging any
accessories.
Input options
Listening options
The manufactur
er cannot be held
r
esponsible for damage caused by not
using the Crescendo 50 in accordance
with these safety precautions.
Do not open the casing of the
Cr
escendo 50 except to change
batteries or operate the mode switch.
No user
-ser
viceable parts can be found
inside.
Ensure mains powered equipment is
switched off before connecting to the
Cr
escendo 50.
Do not expose the Cr
escendo 50 to rain
or any other forms of moisture.
Do not expose the Crescendo 50 to
dir
ect sunlight or extr
eme heat such as
radiators.
Only AA batteries of the type specified
can be used.
Do not mix old and new batteries.
Use rechargeable batteries in
accor
dance with the instr
uctions
supplied with them.
If the Cr
escendo 50 is not to be used for
a long time, r
emove the batteries.
To Next Page
Need help?
General
