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1 Select several chairman’s units/delegate’s units placed in the hall and set their
MIC ON/OFF buttons to turn on their indicators.
2 Adjust the speaker volume on the chairman’s units/delegate’s units so that the
level meter indicates around 0 VU using the D/C UNIT MIC volume control on
the control unit, while an assistant in the conference hall is speaking into the
microphone.
3 If howling occurs, rotate the D/C UNIT SP volume control counterclockwise to
reduce the volume until the howling stops.
If howling does not stop even if you rotate the D/C UNIT SP volume control
counterclockwise, it is recommended to use the howling suppressor or filter
unit (not supplied).
Note
The person speaking into the microphone should bring his/her mouth close to the
microphone.
Control unit
Chairman’s unit/delegate’s unit
Preparing the Control Unit
Adjusting the audio level
Adjust the audio signal output to the chairman’s/delegate’s unit and input from the
external equipment connected to EXT IN-1/2 before the conference.
Adjusting the output level of the audio signal to the chairman’s unit/
delegate’s unit
Output level adjustment of the audio signal to the chairman’s unit/delegate’s unit
MIC ON/OFF
VOL 4
VU
I
O
POWER
PHONES
ON
OFF
MONITOR
MIN MAX
1
2
3
4
5
6
7
8
9
010
1
2
3
4
5
6
7
8
9
MONITOR
MIC/LINE 1 MIC/LINE 2
MIC/LIMIT
ON/OFF
DIRECT ACCESS
ON/OFF
SEAT ASIGN
START/END
D/C UNIT SP
010
1
2
3
4
5
6
7
8
9
010
1
2
3
4
5
6
7
8
9
010
1
2
3
4
5
6
7
8
9
D/C UNIT MIC
ORIGINAL
Level meter
2
3
1