| 1. | 3 . the chairman unit match neck microphone to make speaker use 4 .具有主席优先的提示音 |
| 2. | 6200c chairman unit 6200d representative unit 6200c主席单元6200d代表单元 |
| 3. | 6100c chairman unit 6100d representative unit 6100c主席单元6100d代表单元 |
| 4. | 3500c chairman unit 3500d representative unit 3500c主席单元3500d代表单元 |
| 5. | 6300c chairman unit 6300d representative unit 6300c主席单元6300d代表单元 |
| 6. | 9600c chairman unit 9600d representative unit 9600c主席单元9600d代表单元 |
| 7. | 2500c chairman unit 2500d representative unit 2500c主席单元2500d代表单元 |
| 8. | 2 . chairman unit goes with a set of earphone with reprehensive unit 网络实名:海之升数字移频器 |
| 9. | 1 . chairman unit match a set of earphone with representative unit 1 .主席代表单元各配耳机一套 |
| 10. | 2 . the chairman unit of system is not limited by the limit function 9300c主席单元9300d代表单元共有功能特性 |