7
7 Troubleshooting
Problem | Remedy |
Green Power LED is off | • Is the power cable plugged in? |
| • Is the power switch set to ON (I)? |
| • Check the main fuse in the power socket. |
Red Protect LED illuminates | • Check that the maximum permissible number of |
| consoles has not been exceeded (60). |
| • Disconnect all consoles and cables. If the LED still |
| illuminates, send the power supply unit to an |
| authorized workshop for repair. |
| • Activate the test mode. |
| • Connect the consoles and cables one at a time to |
| the power supply unit and check their functions. |
No sound | • Check the volume setting on the chairman console. |
| • Activate the test mode. |
| • Check that all Minicon plugs are fully inserted |
| (locked) into their sockets. |
Feedback (whistling) | • Move the consoles farther apart. |
| • Reduce the system volume on the chairman |
| console. |
|
|
PTT button does not work
Delegate microphone cannot be activated, lightring on microphone arm blinks
•Check the operating mode on the chairman's console. The PTT button works only in manual mode.
•The maximum number of simultaneously active microphones has been reached. Increase the limit or deactivate one of the other microphones.
Echoes and feedback when system is connected to a distant party via AEC/Telco Audio Interface and external telephone hybrid or videoconference codec.
•Adjust audio levels of the external telephone hybrid or videoconference codec.
•Check external telephone hybrid or video- conference codec if acoustic echo cancellation (AEC) is activated.
•Redial for a possibly better telephone connection.
•Ask connected distant party to check their system for correct settings.
English | 16 |