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Hard Mute

• Used when you want to employ Mute for extended periods of time.
• Works on a Toggle On/Off basis.
• An "M+" symbol will appear in the left hand side of the FS2Crew Main Panel display when operating.
• Can be toggled On/Off by pressing the "HM" button on the FS2Crew Main Panel. 
• Can also be toggled On/Off by creating a keyboard or joystick assignment for ALTERNATE STATIC SOURCE (ON/OFF) in the FSX 'SETTINGS - CONTROLS' menu. 

Important Reminder:  Even with mute enabled, the Speech Recognition will still detect any inputs received via your microphone; in fact, you will still see activity in the Green Bar that displays what the Speech Recognition system is 'detecting'.   The difference, however, is that the virtual FO will not act on any words or phrases the speech the Speech Recognition system detects.

For example, if you cough, and the Speech Recognition system somehow interprets that as "Gear Down", you will still see "Gear Down" in the Green Bar, but the FO will not put the gear down.