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troubleshooting your jbl reference series 610
Symptom when used with
Bluetooth transceiver
Possible Problem Solution Note
Sound Quality
Headphone system is not
powered “On”.
Press down power button.
Blue LED should go from solid
to three consecutive, fast blinks,
indicating that it’s ready to be
“discovered” by transceiver or
other audio source.
No sound from headphones.
Rechargeable headphone bat-
tery is low.
Charge headphones by following
the battery charging directions in
this User Guide.
If blue LED on headphones
continues to blink rapidly after
headphone system has paired,
it is indicating a low battery. A
monotone will also be sounded
every 5 seconds for low bat-
tery alert.
Bluetooth transceiver is not
receiving power.
Make sure iPod power is on
and the transceiver connector is
engaged correctly.
Blue LED on transceiver should
start blinking.
iPod battery is low.
Charge your iPod in accordance
with the battery charging
directions given in your iPod
user’s guide.
Bluetooth transceiver is not
connected properly.
Make sure transceiver is
connected properly.
If using audio cable, connection
at mini USB or 3.5mm audio
inlet end may not be connected
properly.
Make sure connectors are mat-
ing correctly to your headphones
and audio device.
Headphone has lost the link with
the Bluetooth transceiver.
1. Press the play/pause button
and the headphone system will
re-pair itself with the transceiver.
2. Move back to within Blue-
tooth connection range.
3. Unplug your transceiver and
replug it in to initiate
connection.
Blue LED should start blinking
rapidly (indicating pairing). You
may have lost the link because
you are too far from the iPod.
Move closer and try again.
No sound from headphones.
Sound comes from only one
side/channel.
Volume is low and will not
increase when “+” feature is
selected.
The iPod may have a low battery. Charge iPod according to iPod
charging instructions.
Your iPod may have a maximum
volume setting that is “On”.
See whether you have iPod
maximum volume setting.
Headphone controls have
intermittent operation.
Bluetooth transceiver is not
connected properly.
Make sure transceiver is
connected properly.
May be moving out of Bluetooth
range.
Move closer to iPod. Bluetooth does not have good
transmission through metal
or water.
The iPod may have a low battery. Charge iPod according to iPod
charging instructions.
Moving out of transmission
range.
Move closer to the iPod or
change position.
Sound drops in and out.
Distortion (static, crackling or
hissing sounds).
Noise may be caused by interfer-
ence from a monitor, cell phone
or other transmitting device.
Turn monitor off to see
whether noise is eliminated. Use
headphones further away from
monitor.
If using audio cable, headphone
system may be overdriven by an
amplified audio source.
Ensure that the JBL Reference
Series 610 is connected to an
appropriate source device. Make
sure cables are inserted snugly
into receptacles. Reduce volume
on the audio source.
Headphone battery is low. Charge headphones by following
the battery charging directions in
this User Guide.
If blue LED on headphones
continues to blink rapidly after
headphone system has paired,
it is indicating a low battery. A
monotone will also be sounded
every 5 seconds for low bat-
tery alert.
Symptom when used with
Bluetooth transceiver
Possible Problem Solution Note