PRODUCTS DISCONTINUED NOTE: The headset and USB adapter are paired to each other at the factory. However, if you have purchased a USB Bluetooth adapter separately, or if you wish to use a replacement headset with your existing adapter, the units must be paired. Power on the headset. Insert the USB Bluetooth adapter in the USB port of your computer. 1. ( For the 910 ): Simultaneous press the listen volume adjust button marked + (volume up) and the call control button. Release the buttons when the indicator light begins to flash red then blue. ( For the 920 ): Start with the headset turned off. Hold the Answer button until the headset is flashing red then blue. 2. While the adapter is plugged into a USB port, pinch the pairing/connect button for at least 2 seconds until adapter flashes red and blue and begin paring with your Bluetooth Headset. NOTE: Take caution when manually pairing the USB adapter. Do not press hard. Please "pinch" with both fingers rather than push on the adapter to…