Manual

Issue 2, March 2020 Model 381 User Guide
Page 12 Studio Technologies, Inc.
MODEL 381
ON-AIR BELTPACK
The control on the right, labeled B, will allow
adjustment of input channel 2. Note that in
this mode the level of the sidetone audio sig-
nal will be determined by the configuration of
the Fixed Sidetone Level setting.
Ch 1 & 2 Level / Balance
This mode is provided primarily for use
in “stereo” applications such as live music
events or radio broadcasts. In these applica-
tions it’s typical to want the user to have
a single control to simultaneously adjust
the level of both input channels 1 and 2
with a separate control used to adjust the
left/right level balance. When the Head-
phone Output – Routing configuration is
set for Dual-Channel Stereo the control on
the left, labeled A, will be used to adjust the
level of both input channels 1 and 2. The
control on the right, labeled B, will be used
to adjust the balance of the channel levels.
If the Headphone Output – Routing configu-
ration is set to either of the mono choices
the action of the balance control, on the right
and labeled B, will simply change the level
ratio of input 1 versus input 2. Also note that
in this mode the level of the sidetone audio
signal will be determined by the configura-
tion of the Fixed Sidetone Level setting.
Ch 1 & 2 Level / Sidetone Level
This mode is provided for applications where
the user needs to adjust the level of both the
audio input channels and the sidetone signal
as they are sent to the headphone output
channel or channels. The control on the left,
labeled A, will be used to adjust the level of
both input channels 1 and 2. The control
on the right, labeled B, will be used to adjust
the level of the sidetone signal.
Note that in this mode the configuration
choice for Fixed Sidetone Level will be
“grayed out” (become inactive) as it will
not be utilized.
Headphone Output – Sidetone Mode
Choices are Main Active, Talkback Active,
and Always Active.
The overall mode of the Model 381’s side-
tone function can be configured. Sidetone is
audio from the microphone input that is sent
to the headphone output channel or chan-
nels. This can be important, allowing the user
to “hear” themselves for performance confir-
mation and comfort. Making a specific selec-
tion from among the three available modes
will depend on the needs of the application.
If a “full mix” is being provided to the Model
381’s audio inputs then locally provided side-
tone won’t be needed when “on air,” i.e., the
main output is enabled. The user will hear
themselves by way of the audio signals being
routed to the Dante audio input channels.
But if a “mix-minus” is being supplied to the
Model 381 then having one of the sidetone
modes enabled can be an important means
of establishing user confidence. There are
also cases where a “full mix” is provided but
the user desires to hear themselves when
the talkback function is active.
Note that the actual level of sidetone audio
as it is sent the headphone output will be
determined by the configuration of the Head-
phone Output – Controls (A/B) selection. It
will either follow the Fixed Sidetone Level
configuration or the position of the level con-
trol that is located on the right and labeled B.
STcontroller allows selection from among
three sidetone modes:
Main Active
In this mode the sidetone function will be
active whenever the main output is active,
i.e., audio signal associated with the micro-
phone input is present on the Dante main
output. Whenever the talkback function is
active sidetone audio will not be enabled.