Instructions for Crescendo 60 Amplifier

Instructions for Crescendo 60 Amplifier
crescendo 60
Product Overview
Personal Listening System
Operating Instructions
Thank you for choosing the Crescendo
60 personal listening system. Before
using the system, please read these
operating instructions to benefit from all
the capabilities of the system and it will
give you many hours of reliable listening
„„ Rotary Volume control.
The Crescendo 60 will help you to
communicate with confidence. It is a
battery powered amplifier that can
receive sound from various sources, and
then amplify that sound to the way you
like to listen.
„„ Rotary Tone control.
The Crescendo 60 has a wide-ranging
tone control that can boost the high and
low frequencies according to your
hearing needs.
„„ Rechargeable batteries can be used.
There are options enabling you to use the
system with or without a hearing aid.
„„ Belt clip.
„„ Neck cord.
„„ Uses 2 X AA alkaline batteries giving over 60 hours of use with a headset
„„ Battery life will depend on battery capacity.
„„ Power On/Low battery light
„„ Input selection mode switch (Microphone, Aux, T/Loop)
The sound input from this
system can be very high:
Switch off before changing
the batteries or plugging or
unplugging any accessories.
Inserting Batteries
The unit uses 2 AA alkaline batteries
(LR6 or AA).
Remove belt clip if fitted (see below).
Remove the battery cover located on
the rear of the amplifier by pressing
in the clip on the end of the unit and
lifting the cover upward.
The manufacturer cannot be held
responsible for damage caused by not
using the Crescendo 60 in accordance
with these safety precautions.
Press on clip and
lift up to release
battery cover
Do not open the casing of the Crescendo
60 except to change batteries or operate
the mode switch. No user-serviceable
parts can be found inside.
Ensure mains powered equipment is
switched off before connecting to the
Crescendo 60.
Insert the two batteries according to
the symbol shown in the battery
Do not expose the Crescendo 60 to rain or
any other forms of moisture.
Do not expose the Crescendo 60 to direct
sunlight or extreme 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 accordance
with the instructions supplied with them.
If the Crescendo 60 is not to be used for a
long time, remove the batteries.
Replace the battery cover.
Basic Operation
The Crescendo 60 is delivered set for
microphone use.
Insert batteries as above.
With the amplifier switched off, check
volume control is turned to left until click
felt. Control will point upwards and power
light will be off.
Plug a microphone into the microphone
socket with the microphone symbol.
Plug either headphones or neck loop (for
hearing aid users with loop facility) into the
headphone socket with the headphone
Wear the headphones or neck loop.
Switch the amplifier on. Turn the
volume control clockwise past the “click”.
A green LED will light up to indicate the
amplifier is on. When colour changes to
red the batteries are coming to the end of
their useful life.
Adjust the volume to suit your listening
level and the tone control to boost the
high or low tones to adjust clarity.
When finished turn the amplifier off by
turning the volume control anti-clockwise
until it “clicks”. The green LED will go out.
Input Options
„„ Microphone
Select M on the mode switch
Q. No Sound
A. Check headset/microphone are in the
correct sockets.
For general listening using either a plug in
or a long lead microphone to get right to
the sound source.
Plug the microphone into the socket with
the Microphone symbol.
„„ Direct connection
Headset or microphone may be faulty.
Batteries may be exhausted fit new
Check operating mode.
Select A on the mode switch
Q. Low or distorted sound
A. Batteries nearly exhausted fit new
To listen with maximum clarity to TV or
Audio from the SCART, RCA Phono or
Jack outputs.
Plug the appropriate lead into the socket
with the Microphone symbol.
„„ Loop receiver
For non hearing aid users only.
Select T on the mode switch
Check operating mode.
Q. Feedback or squealing sound
A. Microphone is too close to headset
and volume is set too loud.
Q. Crackling or sound goes on and off
A. Dirty plugs - clean plugs
Faulty leads, wiggle leads to find
faulty lead - change lead
Q. Tinny or muffled sound
A. Tone control in wrong position
Check or listen to an existing loop system
using headset or headphones.
Listening Options
„„ Stethoscope Headset
Wear this lightweight headset under the
chin for maximum sound levels.
„„ Headphones
Wear any conventional over the head
Headphones with 32 ohm impedance with
a 3.5mm stereo jack plug.
Headset ends can be removed for cleaning
and can be washed in warm soapy water
but must be thoroughly dried before
If the system needs returning for repair
please send the complete system
including the amplifier, batteries and any
accessories purchased for the system.
Please state the nature of the fault and
your name and address of where you want
the system returned to. If the system is
still under guarantee please provide proof
of purchase otherwise we may need to
„„ Earphones
Any in-ear earphones with a 3.5mm stereo
jack plug.
„„ Neck Loop
Can be worn around the neck to transmit
the sound directly to the hearing aid on the
“T” or loop setting.
„„ Ear hook
Worn adjacent to the behind the ear
hearing aid to transmit the sound directly
to the hearing aid on the “T” or loop
„„ Direct connection to hearing aid
Direct connection to a hearing aid with the
appropriate facility and lead.
To fit belt clip simply press the wings
of the clip into the position shown.
Push wings into
slots on base side
Power requirements
2 X 1.5V AA/LR06 Alkaline batteries.
Battery life giving over 80 hours use with
a 32 ohm headset and average listening
Normal or rechargeable batteries may be
used with reduced life.
Approx L 95mm: W 62mm H25mm
excluding belt clip.
70g without batteries, approx. 120g with
ABS plastic casing.
Frequency Response: 200Hz-10 kHz +/- 3dB
Maximum Gain: 60dB
Tone Control: +/- 8dB at 200Hz
+/- 8db at 5kHz
Maximum audio signal output:>125dB with
307-105 headphones.
To remove the clip press one of the
wings away from the body.
Do not try to remove the clip by lifting
the clip away from the battery cover as
you may damage the parts.
A full list of all Sarabec accessories and
spares is available on request.
Plug in Microphone
Standard microphone with
1.2m(4ft) black lead and
Velcro pads
Velcro pads kit one hook type
and three black loop pads. To
obtain just this replacement
kit, send two second class
3m(10ft) Headphone/
Microphone extension lead
Crescendo direct audio lead
kit, including 5m(15)ft 3.5mm
jack plug to red/white Phono
plugs. Phono to SCART
adaptor, Phono to stereo jack
Stethoscope headset
Lightweight headphones
In-ear Earphones
Neck Loop
Single Ear hook
Dual Ear hooks
Push away
To fit the neck cord remove belt clip
and thread the cord as shown, and
replace the belt clip. The neck cord
has a safety release feature to avoid
you getting trapped by the cord.
EU Declaration
of Confiormity
Sarabec Ltd hereby declares that the
Crescendo 60 amplifier is in compliance
with the relevant EU directives. The full
declaration is available from Sarabec Ltd
15 High Force Road, Middlesbrough, TS2
1RH, United Kingdom
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