1. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 1 DCNW Tech IO Configuring WCCU 23.Nov.06 Wireless Central Control Unit menu structure

2. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 2 DCNW Tech IO Configuring WCCU 23.Nov.06 4A Wireless Mode Menu  ON The wireless network is enabled. The delegates and chairman can use the wireless devices that: Have a subscription, and Are enabled.  Sleep The wireless network is in the sleep mode. Use the sleep mode to increase the time between charge of the batteries (for example, during a long break in a discussion or conference).  OFF The wireless network is disabled. All wireless devices with a subscription are automatically disabled.  Subscription The wireless network is in the subscription mode. Use the subscription mode to give subscription to extra wireless devices

3. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 3 DCNW Tech IO Configuring WCCU 23.Nov.06 4J Wireless Menu  4Ja Auto Mic Off When this function is enabled, the microphones of the wireless devices are automatically disabled when they are not used for 30 seconds. Can be used to increase the time between charge of the batteries of the wireless contribution devices.

4. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 4 DCNW Tech IO Configuring WCCU 23.Nov.06 4J Wireless Menu  4Jb System ID Sets the identifier of the system Adjacent systems must have a different system identities (and different carriers) Set the correct system identity before you do the installation of the system. When you change the system identity after you did the initialization, you must do the initialization again. = System A = System B = System C Carrier 0 Carrier 1 Carrier 2

5. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 5 DCNW Tech IO Configuring WCCU 23.Nov.06 4J Wireless Menu  4Jc Repetition Sets the number of repetitions of audio packets. If the repetition rate of audio packets is increased: The audio quality of the wireless network can increase. The audio delay increases. If the repetition rate of audio packets is decreased: The audio quality of the wireless network can decrease The audio delay decreases.  Note : Only speakers who listen to themselves can have a problem with an increased audio delay

6. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 6 DCNW Tech IO Configuring WCCU 23.Nov.06 4J Wireless Menu  4Jd WAP In this menu the carrier of the WAP can be set. Adjacent systems must have different carriers (and different System Identities). You can change the carrier after you did the initialization of the system Note : When you change the carrier during a discussion or conference, the wireless devices temporarily cannot find the network. = System A = System B = System C System ID12 System ID8 System ID3

7. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 7 DCNW Tech IO Configuring WCCU 23.Nov.06  Step 1 - De-Initialize all units connected to the DCN system. All LEDs on all DCN units come on.  Step 3 - Set the Wireless CCU into the Subscription mode.  Step 2 - Erase the subscriptions of all wireless devices. All LEDs on all wireless devices come on. Initialize the system I & U Instructions

8. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 8 DCNW Tech IO Configuring WCCU 23.Nov.06 Initialize the system  Step 4 - Push the microphone button of each active device in the DCN. When the central control unit gives an address to an active DCN device, the LEDs of the active device go off.  Step 5 - Push the microphone button of each wireless device. All LEDs on the all wireless devices come on. When the central control unit gives a subscription to the wireless device, the LEDs of the wireless device go off.  Step 6 - Set the Wireless mode to On

9. ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. Security Systems 9 DCNW Tech IO Configuring WCCU 23.Nov.06 Configuring the Wireless CCU End of section