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Adjusts the level of the line input 2 signal.
<level> The level of line input 2 ranges from -41 to 0. The
value -41 indicates the signal level is zero. Values from -40
to 0 indicate the attenuation in dB.
The CCU responds to this command by issuing the line_
input_level_2 command.
Set Line Input 2 gain
line_input_gain_2 <gain><CR>
Adjusts the input gain of the line input 2 .
<gain> 0 or 10.
Gain can be set to 0 dB or 10 dB. 0 dB will not add any
gain to the line input whereas 10 dB will add 10 dB gain
to the line input. The CCU responds to this command by a
line_input_gain_2 message.
Set Line Output Volume (A-H)
line_output_volume <output> <volume><CR>
Adjusts the level of the line output signal.
<output> Indicates which output is being controlled.
Possible values are: ‘A’, ‘B’, ‘C’, ‘D’, ‘E’, ‘F’, ‘G’, ‘H’.
<volume> The volume of the line output ranges from -41
to 0. The value -41 indicates the volume is Off. Values from
-40 to 0 indicate attenuation in dB.
The CCU responds to this command by issuing the line_
output_volume command.
Define Audio Path
audio_path <path> <on/off><CR>
This command defines audio connections in the system.
<path> Indicates which connection is being controlled.
Possible values are: 'mic_to_speaker', 'mic_to_floor',
'linein_1_to_speaker', 'linein_1_to_lineout_A' or
'linein_1_to_floor'.
<on/off> Indicates whether the audio is being routed from
microphones/lineinput_1 to speakers/lineoutput/floor.
The CCU responds to this command by issuing the audio_
path command.
Set Individual Speaker Attenuation
mic_speaker_attenuation
<seat_number><attenuation><CR>
This command sets the speaker attenuation of a
microphone.
<seat_number>: The desired microphone
<Attenuation>: The desired speaker attenuation. Possible
values: 0 to 7. (0 to 6 will attenuate 0 to 6 dB. 7 is speaker
off.)
The CCU responds to this command by returning a ‘mic_
speaker_attenuation’ message.
Set Individual Microphone Attenuation
mic_attenuation <seat_number><attenuation><CR>
This command sets the attenuation of a microphone.
<seat_number>: The desired microphone
<Attenuation>: The desired microphone attenuation.
Possible values: 0 to 6. (0 is the lowest attenuation and 6
is most attenuation.)
The CCU responds to this command by returning a ‘mic_
attenuation’ message.
Request Audio Status
audio_status<CR>
Provides system audio status.
The CCU responds to this command by issuing a list of
commands for the Audio settings:
line_output_volume (for all outputs A-D)
audio_path (for all paths)
line_input_level (for all inputs)
line_input_gain (for all inputs)
mic_speaker_attenuation (for all units)
mic_attenuation (for all units)
loudspeaker_volume
audio_status_done
Commands from DIS-CCU to External
Control
Loudspeaker Volume
loudspeaker_volume <volume><CR>
Indicates the volume of loudspeakers for all microphone
units.
<volume> The volume of the loudspeakers ranges from
-41 to 0. The value -41 indicates the volume is Off. Values
from -40 to 0 indicate attenuation in dB.
Line Input 1 Level
line_input_level_1 <level><CR>
Indicates the level of the line input 1 signal.
<level> The level of line input 1 ranges from -41 to 0. The
value -41 indicates the level is zero. Values from -40 to 0
indicate attenuation in dB.
Line Input 2 Level
line_input_level_2 <level><CR>
Indicates the level of the line input 2 signal.
<level> The level of line input 2 ranges from -41 to 0. The
value -41 indicates the level is zero. Values from -40 to 0
indicate attenuation in dB.
Line Input 1 Gain
line_input_gain_1 <level><CR>
Indicates the input gain of the line in 1 input.
<gain>: 0 or 10.
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