Studer OnAir 3000, Operating Instructions Manual

Page: 62 / 372

OnAir 3000 Digital Mixing Console
5-10 Operation
Date printed: 31.10.08 SW V3.0
Gain
The microphone input gain can be set in a range of –11 to +75 dB. If gain is
set to 0 dB, an input signal with +15 dBu corresponds to 0 dB
FS
(i.e., the same
level as on an analog line input set to 15 dBu). The gain is indicated by the
blue bar graph and in the
Gain
field; it is adjusted with the rotary encoder
below the field.
Please note that there is no relation between the gain setting and the config-
ured headroom, as the headroom setting is only used for the level meters to
indicate 0 dB at nominal level.
Note:
The mic clip limiter on/off button that was found on the
CHAN - Input
pages of microphone inputs with SW versions below 3.0 had to be moved;
this function can now be accessed via the configuration tool only.
Refer to
chapter 6.5.1.
Shared Microphone Inputs
Since the microphone input parameters
+48 V
(phantom power on/off),
HPF
,
Mic Insert
and
Gain
are realized on the physical microphone input card
rather than in the DSP channel, they are unique for all sharing logical inputs.
In case of split desk, A/B desk, or I/O sharing operation, these parameters
are accessible only by one system at a time. Access to the microphone input
parameters must be requested in the
CHAN - Input
page of the user GUI; the
corresponding
Mic Control Access
button is visible only if the microphone
input is shared. (For information on A/B and split desk configurations refer
to chapter 7 ; on I/O sharing refer to chapter 6.5.17 ).
In case of split desk mode, the secondary desk usually has no screen for dis-
playing the user GUI; so the access to mic parameters has to be controlled
from the primary desk.
A user requesting access to the mic input parameters can do this only if nobody
else has done so already on another system within the same network, the
Mic
Control Access
button is gray and indicates
FREE
, as shown below.
When touching the
Mic Control Access
button its label changes to
LOCAL
on green background. At the same time all mic control parameters are dis-
played and ready to use, as shown in the next screenshot.