To  | 
Do this  | 
What happens  | 
make an instant message moderated  | 
Select "Moderated" on the Setup tab.  | 
Other participants can no longer contribute. The following icon beside their names indicates that contributions by them are disallowed: 
 
 | 
request permission to contribute  | 
Click Hand Up.  | 
The "hand up" icon is displayed beside your name: 
 
 | 
allow a participant to contribute  | 
Select the participant, then click Allow, or just click the "disallowed" icon beside the participant.  | 
The icon beside the participant changes to indicate that contributions are allowed: 
 
 | 
prevent a participant from making further contributions  | 
Select the participant, then click Disallow, or just click the "allowed" icon beside the participant.  | 
The icon beside the participant changes to "disallowed".  | 
make the instant message nonmoderated again  | 
Clear "Moderated".  | 
Everyone can contribute freely. All special moderation icons are cleared.  |