Question about Plantronics Discovery 975 (8164001 P) Bluetooth Headset

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Press and hold power button on my 975 and nothing happens it shows charging when in case and red led flashes when plugged into charger but when I try to power up it doesnt

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I just encountered the same issue, it does nothing.

Posted on Nov 01, 2010

  • spoeki Mar 07, 2011

    my one also didn't work also when I press and hold power button on my 975 and nothing happens it shows charging when in case and red led flashes when plugged into charger but when I try to power up it doesnt
    where is a solution for this problem??

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I had the same problem. It seems to sometimes occur if I turn off Bluetooth on my phone before turning off the Plantronics device. To recover, I let the device completely discharge, and then recharge and it's back to normal. To prevent this from recurring, always turn off the Plantronics device first.

Posted on Mar 05, 2013

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Free Pulse


The following procedure will re-establish the communication link between the Headphones and the Wireless adapter, this is called "pairing". Before you start please make sure both the headphones and the wireless adapter are fully charged and turned off.
Note: The headphones and the wireless adapter come pre-paired from the factory.
1. Press and hold the power button on the headphones. See Figure 1.
headphone.jpg
Figure 1

2. Continue to hold the button down until the LED starts flashing red/blue in an alternating pattern. Release the button when the LED starts flashing red/blue. See Figure 2.
headphone-flash.gif
Figure 2
3. Once the headphones LED is flashing red/blue, press and hold the power button on the wireless adapter. See Figure 3.
receiver.jpg
Figure 3
4. Hold down the button until the LED starts flashing red/blue in an alternating patter. The LED will blink blue, then turn off for a few seconds then blink red/blue. Release the button when the LED starts flashing red/blue. See Figure 4.
receiver-flash.gif
Figure 4
5. Once both the headphones LED and the adapter LED is blinking red/blue, press the volume up button once on the headphones. See Figure 5.
headphone-volumeup.jpg
Figure 5
Once the headphones is paired with the adapter, the LED on the headphones will blink blue once every two seconds. See Figure 6.
headphone-flash2.gif
Figure 6
When the adapter is paired the LED will be solid blue. See Figure 7.
receiversolid.jpg
Figure 7
The adapter may continue to blink red/blue for a few seconds even after the headphones LED starting blinking blue. This is normal; the adapter may take a few additional seconds before the LED turn solid blue.
Once the headphones and the adapter are paired, it is not necessary to pair them again even if the batteries on both units are completely drained.
Additional Note: Repeated pairing will not improve the sound quality or give the headphones and the adapter a cleaner connection.

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