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I have a wireless headphones the only number i can see is model f0461b on the trasmitter. The transmitter and headphone are not comunicating the lights are red not blue.How do i recalibrate them so they are working i did this before but i dont rember how i did it Please help

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  • junkmail342 Dec 19, 2008

    They are Logitech F-0461B. There is a single button on the base unit, along with a small reset button, while the headsets have a power button, and volume up/down buttons.



    No combination of the above seem to switch the once blue lights back from their current angry red color.

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In rare cases, the FreePulse Headphones may loose synchronization with the receiver. If this occurs the following steps will re-establish the connection by putting both the headphones and the receiver in discoverable mode (actively searching for another bluetooth device it can connect to).
Putting the headphones in discoverable mode:
Press and hold the power button (located next to the charging port on the right earpiece) on the headphones. The LED on the button will go through three states in this order:

  • Blinking Red
  • Off (continue to hold. the LED will be off for several seconds)
  • Alternately blinking red and blue. (The headphones are now in discoverable mode and you can release the button at this point. The headphones will remain in this state for 30 seconds).
Putting the receiver in discoverable mode:
Press and hold the power button (located on the side of the receiver opposite the headphone jack).The LED on the button will go through three states in this order:
  • Blinking Red
  • Off (continue to hold. the LED will be off for several seconds)
  • Alternately blinking red and blue. (The reciever is now in discoverable mode and you can release the button at this point. The reciever will remain in this state for 30 seconds).
Re-establishing the connection:
To re-establish the connection between the headphones and the reciever, put the headphones and the receiver in discoverable mode at the same time. It will take a few seconds for the two devices to establish the connection. Once the connection has been established the LEDs on both the headphones and receiver will glow solid blue.

Posted on Dec 27, 2008

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