| Signal to presenter | Buzzer |
|---|---|
| Start time | |
| In two-thirds progress | 3 buzzers |
| At the end of presentation | 5 buzzers |
| At the end of presentation time | Consecutive buzzers |
| Preparation: | Please start the preparation at the time of exhibition starting time. |
|---|---|
| At the time of presentation: | Bell rings for 30 seconds. |
| At the end of presentation: | Bell rings for one minute. |
| Removal: | Please remove posters before the end of exhibition hours. |