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