Discovery 975: How to Enable/Disable the LED
Can I disable/enable the LED light on my Discovery 975 headset?
To Disable the LED: Press and hold volume button (see above) for 4 seconds. The light on the headset dims over 2 seconds. To Enable the LED: Press and hold volume button for 4 seconds. The light brightens over 2 seconds. You will hear a single low tone, silence and then a double low tone.