Plantronics Calisto II User Manual page 4

4. If Dragon prompts you to "Choose your sound system", select the
Plantronics Adapter from the list and then click Next to continue.
5. If Dragon tells you that your "Sound level is too low", the headset
microphone may be turned off. Make sure that it is turned on and try
reading the text again.
6. You may have already noticed that the button on the headset can be
pressed in, towards the headset, as well as up or down. Pressing the
button up or down will increase or decrease the volume. This volume
adjustment gives you control of the volume coming out of the speaker in
the headset.
NOTE If after following the above steps, you still receive the "Sound level is
too low" message from Dragon, your Windows sound system may not be
setup correctly. Visit http://support.nuance.com
7. When dictating with Dragon using your headset, please note that when
your headset microphone is turned on, you must also turn the microphone
on from inside of Dragon. To turn on the microphone from Dragon, press
the plus key (+) on the numeric keypad or click the microphone button on
the DragonBar.
The microphone is off
NOTE Even when the Dragon microphone icon is red and horizontal,
indicating that the microphone is off, your headset microphone may still be
on. When you are done using Dragon, you may want to make sure that your
headset microphone is on standby. The USB adapter will be solid blue in
standby mode and fl ashing blue when headset microphone is on/active. You
can also turn off your headset to conserve battery life.
NOTE If the Plantronics BT Adapter isn't displayed in step 4 or if you are
prompted to run audio training when you've already done it before, you may
need to unplug and replug the USB Bluetooth adapter.
IMPORTANT: Whenever you use Dragon, aim to always plug the
microphone's USB adapter into the same USB port on your PC, and always
plug it in before you start Dragon.
The microphone is on
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