9
11. MIC 1 input volume control
Adjusts the input level of the MIC 1 Input Terminal
(29) on the rear panel. Signals input to the MIC
1 terminal are output to the base language
channel*
1
.
12. Microphone Mix/Cut switch
(for the translation language channel)
MIX: Speech input from the Conference units is
output to the translation language channel*
2
.
CUT: Speech input from the Conference units
is not output to the translation language
channel*
2
.
Note
This switch is factory-preset to the MIX position.
13. MIC 2 input volume control
Adjusts the input level of the MIC 2 Input Terminal
(27) on the rear panel. Signals input to the MIC
2 terminal are output to the translation language
channel*
2
.
14. Voting result display
Computes the number of votes cast by individual
Conference units for categories 1 – 3 and displays
the result after voting completion.
15. Voting start/end button
Holding down this button for 1 second or more
permits the Central unit to accept voting. To
terminate voting, hold down the button again for
1 second or more. If this button is held down for
1 second or more once again, the Voting Result
Display (14) is turned off. (Refer to p. 41.)
This button is also used to confirm installation
conditions for the Conference unit. (Refer to p.
33.)
16. Simultaneous speaker No. setting switch
Used to set the number of Conference units that
can be simultaneously operated. The indications
[1], [2], [3], and [4] represent the number of
simultaneously operable units. (Refer to p. 35.)
Note
This switch is factory-preset to the [1] position.
17. Speech priority selector switch
Determines the priority mode when the Talk key of
the Conference unit is pressed. (Refer to p. 35.)
A: First-in-first-out priority
B: Last-in-first-out priority
C: Priority fixed for the first unit, and last-in-first-
out priority for all other subsequent units.
Note
This switch is factory-preset to the [A] position.
18. Mic-off setting switch
Automatically turns off Conference unit
microphones 30 seconds after speech is
completed if the user should neglect to turn off
the microphone. (Refer to p. 36.)
Note
This switch is factory-preset to the OFF position.
19. Speech volume control
Adjusts the microphone volume of the Conference unit.
20. FBS (Feedback Suppressor) Switch
Use to set FBS operation.
EXT:
Select when using an external graphic
equalizer.
OFF:
Select when not using the FBS function.
AUTO:
Select to suppress acoustic feedback by
automatically searching for a frequency
generating acoustic feedback.
MANUAL:
Select to manually search for a
feedback-generating frequency.
For details, refer to p. 42.
21. FBS (Feedback Suppressor) control
Rotate to search for a frequency generating
acoustic feedback when the FBS switch (20) is
set to “MANUAL.”
For details, refer to p. 43.
22. Headphone jack (Mini-jack)
Connects to headphones.
23. Headphone volume control
Adjusts the sound volume of the headphones.
24. Headphone channel selector switch
Used to choose the output to be monitored by a
connected headphones from the following three
sources: Base language (MAIN), Translation
language (SUB), and Line (LINE) channels.
Note
This switch is factory-preset to the MAIN position.
*
1
Base Language:
Mixed audio signals from the AUX 1 input, MIC 1 input, and in-use Conference units.
*
2
Translation Language: Mixed audio signals from the AUX 2 input, MIC 2 input, and in-use Conference units.
