3 4
Improving Sound by Switching Channels
The CL7350 can transmi t on either of two built-in
frequency channels. Y ou can select the channel that
will produce better audio quality .
1. If the audio sound is distorted or unc lear, press the
Auto Tune Button on the TV Receiver (see figure (7)),
to match the frequency of Channel 1 or Channel 2
set at the bac k of Transmitter. Allow a few seconds
for the audio t o resume.
2. If this does not help, switch the channel selector on
the rear of the Charging Cradle (see figure (8)) and
see if the audio quality has improved.
3. Press the Auto T une button again to improve the
quality still further .
NOTE: The T ransmitter will turn of f automatically after
about 5 minutes if there is no audio signal from the
audio source (TV set, etc.), or the signal from the
audio source is too weak for pro per reception.
However , if the audio signal retu rns to an acceptabl e
level, the transmission will automatically restart.
Controlling the T one (Bass & T reble)
You can adjust the tone of the audio you are listening to and enh ance your listening
pleasure by amplifying either the
Treble or the Bass in the Headset
Receiver.
Press the Tone Clarity Button
to switch cyclically between :
1.Enhanced treble (yellow LED glows
),
2.Enhanced bass (b lue LED glows
), or
3.Flat tone (bass and treble equally
enhanced, no LEDs glowi ng ).
Adjusting the Sound Balance (lef t-right)
Y ou ca n adjust the sound to suit your hearing in eac h ear .
With the Receiver on, rotate the Sound Bala nce button (see
figure (10)) to adjust the sound – you will no tice that the sou nd
seems to “dri ft” from one side to the other . Play with this
button until y ou find your most plea sant sound balan ce.
Using the Mic Button and Microphone for
Conversation
Y ou can s witch from Listening mode to Conversation mode
without having to take off the Receiver .
T o talk or listen to someone:
1. Press the Mic button (see figure (1 1)). This will shut off the
Audio Source and the Receiv er will become an amplifier
by activating the Microphone.
2. T o resume listening to you r audio device, press the Mic
button again. The micropho ne will be shut off and the
audio will resume.
Charging the Battery
1. The signal LED Indicator on the Headset Receiver will
blink slowly when the battery level is lo w. At this stage
there are about 20 minutes of operating time before the
Headset will switch off. Recharge the battery.
2. Switch OFF the On/Off Sw itch on the Headset (see figure
(12)). The green LED on the Headset should turn off.
3. Place the Headphone on the Char ging Cradle (see figur e
(13)), make sure the charge contact touc hes the charge
pins on the Charging Cradle.
4. The Charging process starts automaticall y.
• The LED Indicator glows red durin g charging.
• It will glow in green after the battery is fully charged.
WA R N I N G :
The batter y must not be exposed to exc essive heat such
as suns hine, fire et c.
Do not attempt to replace the origi nal rechargeable
battery .
When the he adphones are not in use, move the switch
to the OFF po sition to avoid damaging the batt eries.
The battery must always be fully charged before first u se. An initial 3 hours charge is
required to guarantee an acceptable service life for the rechargeable battery . Always
ensure that the Receiver is switched to OFF position while the battery is charging.
Excessive sound pressure from earphones and headphones can cause hearing loss.
IMPORT ANT :
This unit should be operated with built-in rechargeable battery only . When replacing
the battery or when disposing of the unit, always comply with applicable laws relating
to the disposal of battery . Please place th em in a proper disposal container to ensure
that they are eliminated safely and in an environmentally friendly way .
TECHNICAL SPECIFICA TIONS
Battery operating Time : Up to 6 Hours
Range : Up to 25 meters (open area)
Frequency response : 30 Hz – 10K Hz
Signal-to-noise ratio : >65 dB
Distortion : <2%
Headset weight : 50 grams
Operating voltage : Charging Cradle: 8V, 400mA
: Headset: 3.7V, 350mA Lithium Polymer Battery
Transmission mode : UHF Stereo
Carrier frequency : 863 MHz (CL7350 OPTI VDE&UK version)
: 900 MHz (CL7350 OPTI US version)
TROUBLESHOOTING
No Sound
• Ensure the power supply is properly plu gged into the electricity socket and that its
cable is properly connecte d to the DC IN connector on the Charge Cradle.
• Ensure that the Headset Power ON/ OFF switch is switched ON.
• Check the state of the Battery charging in the Headset – place it in the Charge
Cradle and recharge the ba ttery until the Battery Charge LED turns green.
• Ensure that the TV set, Hi-Fi system or audio component is switch ed ON and set
to a channel that broadcasts an audio si gnal.
• Ensure that the volume on the connected audio component is turne d up to at least
half its full volume.
• The connected audio/video eq uipment may not be in playback mode. Sta rt
playback on by the equipment.
• Use the Volume Control on the Headset to turn up the volume.
• Check whether the Headset volume level is set too low. Adjust the volume to a
suitable level.
• If the sound is not clear and distorted, change the frequency Channel sele ction on
the back of the Charge Cradle, and then press the Auto Tune Button on the
Headset Receiver for better receptio n.
Distortion
• The battery inside Headset may need charging. Re charge the battery.
• The Headset may be too far away from the transmitter inside the Charge Cradl e.
Bring them closer together.
• The audio signal input level from the au dio source is too low. Increase the volume
at the audio source.
• If the sound is not clear and distorted, change the frequency Channel on the back
of the Charge Cradle, and then press the Auto Tune Button on the Headset for
better reception.
.
Cleaning & Maintenance
Note: DO NOT use alcohol, chemical or spirit based cleaning agent s.
Wipe Base and Headset cl ean with a damp cloth.
GUARANTEE
From the moment your Geemarc product is purcha sed, Geemarc guarantee it for
the period of two years. Duri ng this time, all repairs or replacem ents (at our
discretion) are free of charge. Should y ou experience a problem then cont act our
help line or visit our website at www .geemarc.com.
The guarantee does not cover accident s, negligence or breakages to any p arts. The
product must not be t ampered with or take n apart by anyone who is not an
authorized Geemarc represent ative.
The Geemarc guarantee in no way limit s your legal rights.
IMPORT ANT : YOUR RECEIPT IS P ART OF YOUR GUARANTEE AND MUST BE
RET AINED AND PRODUCED IN THE EVENT OF A WARRANTY CLAIM.
Please note: The guarantee applies to the United Kingdom onl y .
DECLARA TIONS
CE Directives
Geemarc T elecom SA hereby declares that this product is in co mpliance
with the essential requirement s and other relevant provisions of the Radio and
T elecommunication s T erminal Equipment Directive 2014/53/UE.
The CE declaration of conformity m ay be consulted at www .geemarc.com
FCC NOTICE
This device complies with p art 15 of the FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may
cause undesired operation.
FCC CAUTION
Any changes or modifications not expr essly approved by the party responsib le for
compliance could void the user ’s authority to operate this eq uipment. This device and
its antenna(s) must not be co-located or operating in conjunction with any other
antenna or transmitter .
Electrical connection: The apparatus is des igned to oper ate from a 230V 50Hz
supply only . (Classified as hazardous voltage according to EN60950 standard) . The
apparatus does no t incorporate an in tegral power on /off switch. T o switch off the
apparatus, disco nnect the power adaptor .
When inst alling the app aratus, ensure th at the mains power so cket is readily accessible.
Recycling Directives
The WEEE (W aste Electrical and Electronic Equipment) has been put in
place for the product s at the end of their useful life are recycled in the best way .
When this product is finished with, please do not put it in your domesti c waste bin.
Please use one of the following disposal options:
- Remove the batteries and deposit them in an appropriate WEEE skip.
Deposit the product in an appropriate WEEE skip.
- Or , hand the old product to the retailer . If you purchase a new one, they should
accept it.
Thus if you respect these instructions you ensure hu man health and environmental
protection.
For product support and help visit our website at www. geem arc. com
Contact Ge emarc UK:
5B Swallow Court, Swallowfields, Welwyn Garden City , Hertfordshire, AL7 1SB,UK
telephone 01707 38760 2
or fax 01707 832529
QUGCL7350 OPTI_En_A3_V1.2
Mute
Button
Microphone