Lock and Unlock Talking Wimba Classroom by default has users click and hold the <Talk> button or the Ctrl key on the keyboard in order to talk through the microphone. The lock feature allows the user to use the microphone handsfree. To enable this feature: 1) Click Options 2) From the expanded Media Options menu, click Lock Talk. 3) The Talk button will now show a padlock image and will be highlighted orange. To mute the microphone, click and hold on <Talk> or press the Ctrl button on the keyboard.
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