6. Wireless
contribution units
6.1. Introduction
The wireless contribution units , called Confidea
WDU , consist of Delegate and Chairman units.
Both are used for speech reinforcement in a
conference room. The chairman units are used
to guide and control an ongoing discussion.
The units can be divided into three categories:
− Discussion :
Confidea DD (Figure 6.1), CD(Figure 6.2),
2D2D (Figure 6.3: Confidea 2D2D)
− Voting :
Confidea DV (Figure 6.4), CV (Figure 6.5)
− Interpretation :
Confidea DI (Figure 6.6), CI (Figure 6.7), 2D2I
(Figure 6.8) , DIV (Figure 6.9), CIV (Figure 6.10)
6.2. Controls and
indicators
The Confidea WDU have the following features:
1. Microphone connector:
Connection of a microphone to the wireless unit.
2. Microphone button:
Activation/deactivation of the microphone.
Indication LEDs show the status of the
microphone. (red : active, green : request)
3. Loudspeaker:
Distributes the floor channel. Mutes in case
microphone is active.
4. Headphone connectors:
Connection of headphone to the wireless unit.
Mono- and stereo headphones can be used.
5. Volume buttons:
Change the volume level of the headphones.
6. Voting buttons:
Each voting button has a blue LED indicator.
7. Information display:
Indication of voting, volume and channel
information.
8. Channel selection buttons:
Changes the audio channel sent to the
headphones. Each button has a blue indication
LED. Pressing these buttons affects the
information display.
9. Voting control buttons:
Used by the chairman to control a voting
session. (start / pause / stop)
10. PRIOR button:
Long press : temporarily deactivates the
microphone of all active units.
Short press : permanently deactivates the
microphone of all active units.
11. Next button:
Grants the floor to the next delegate in the
waiting list.
12. System volume control:
Adjust system volume by holding the button and
pressing the volume buttons.
13. RF Status LEDs:
Blue LED Indication of the condition of the RF
connection.
Off : connection established
Blinking : searching connection
On : out of range
Note:
Units with the out of range LED on will be
switched off after 2 minutes.
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