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MCS 20 – MCS 223 Microphone Unit
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• Select the operating mode, for which the limit is to be set. The selected operating mode is displayed by the
illuminated LED.
• Set the limit by pressing the [+] or [-] button, until the desired number is displayed ቫ.
• The buttons provide an auto-repeat function; i.e. the setting is automatically stored and loaded when the system
is turned on again.
• The maximum selectable limit value is 08. The value can be reduced by programming. With a limit of 00 only the
chairman can speak!
• In the “Request” operating mode you can release the next delegate microphone unit by pressing the “Requ”
button ተ. If the selected limit is 02 or higher, you will activate all registered delegate microphone units
simultaneously. If only one delegate is to speak at a time, the limit must be 01 in the “Request” operating mode
(standard setting).
3.3.6 How to adjust the volume
• Press the [+] or [-] volume button ቭ to adjust the volume level of all microphone units. When the button is
pressed for the first time, the current volume is displayed ቫ and not yet changed.
• The buttons provide an auto-repeat function.
• The change is in 1 dB steps from 01 - 32.
• The volume can also be changed during the meeting.
• The setting is automatically stored and loaded when the system is turned on again.
• The maximum selectable volume can be reduced by programming. Furthermore, the volume buttons ቭcan be
disabled.
3.3.7 How to set the timer
• With the timer function a speech time limit can be set for the MCS 221 delegate microphone units in the operating
modes “Request” and “Free”.
• Depending on the setting (refer to chapter 3.3.9 “Programming functions table”) the following functions are
possible:
– Setting the speech time.
– Turning off the microphone unit after the speech time has elapsed with or without acoustic warning signal.
– Display the exceeded speech time without turning off the microphone unit after the speech time has elapsed
with or without acoustic warning signal.
• The setting is automatically stored and loaded when the system is turned on again.
• The timer applies to the activated operating mode which is displayed by an illuminated LED in the “Mode” field.
Whenever a microphone is activated, the timer is started with the set speech time and counts backwards.
• The speech time is shown in the display ቫ of the chairman microphone unit. If the remaining time is at least one
minute, the minutes are displayed. Two full stops are flashing in the display. If the remaining time is less than one
minute, the seconds are displayed. When the seconds are displayed only one full stop is flashing.
• When the warning time is achieved, an acoustic warning signal is heard over the loudspeakers. When the timer
has achieved 00, the microphone is turned off, a registered microphone is turned on or the exceeded speech time
is displayed, depending on the setting.
• When the chairman holds down the “Prior” button ቨ, the timer is stopped.
Limit value Operating mode
00 - 08 “Voice”, “Free”, “Request”
00 - 01 “FiFo” (button combination: “Free” + “Requ”
00 - 01 “Free” with timer (button combination: “Prior” + “Clear”)
“Request” with timer (button combination: “Prior” + “Clear”)