| Using Yealink Meeting Server | 33Appointing a LecturerIn a training mode conference, if you are the organizer or moderator, you can appoint any participant as alecturer.About this taskNote: The modes of scheduled conferences and VMRs are Discussion mode and Trainingmode. Only the enterprise administrator can configure the conference mode on YMS.• In the Discussion mode conference, all conference participants can speak freely.• In theTraining mode conference, all conference participants are muted by default except for theorganizer or the moderator. The organizer or the moderator can appoint lecturers, and the lecturers canspeak freely.Procedure1. In the Conference Control page, tap Participant.2. Tap on the right side of the desired participant, and select Set as lecturer.3. To finish speaking, tap , and select Cancel lecturer.Switching Roles between Moderators and GuestsThe moderator can assign the visitor as the moderator. When a participant is not expected to be amoderator, other moderators can switch the person to a visitor. Organizers cannot be switched to visitors.Procedure1. In the Conference Control page, tap Participant.2. Tap beside the desired participant and select Set as presenter/Set as visitor.Applying for SpeakingIf you are muted by the conference moderator, you can apply for speaking.ProcedureTap Hands up.Managing the Speaking ApplicationIf you are the moderator in a conference, you can allow or reject the speaking application of the participant.Procedure1. In the Conference Control page, tap Participant.2. On the Conference Members page, tap beside the desired participant.3. Select Allow to speak or Forbid to speak.