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Issue 1, September 2007 Model 233 User Guide
Page 24 Studio Technologies, Inc.
applications could include on-air broad-
cast situations where nonprofessional
talent is present. Controlling the dynamic
range of the audio signals on the main
output can limit the chance of cable cross-
talk and equipment overload. Another
typical application where using the output
of the compressor would be appropriate
when the Model 233’s system mode is
selected for production. In this case the
main output would be used as an addi-
tional talkback output and dynamic range
control would be beneficial.
Sidetone Mode
Switch SW3-8 configures the way the
sidetone function operates.
Talkback 2 Button Function
Switch SW3-6 configures the overall
operation of the button associated with
talkback 2.
Figure 13. Main output source settings
Figure 14. Sidetone mode settings
Figure 12. Talkback 2 function mode settings
Two modes are available:
• Disabled: In this mode the talkback 2
button is disabled. The talkback 2 line-
level output and, if configured, talkback
to intercom pin 3 function, will never be
active. An exception is if the auxiliary
relay is configured to follow the status
of the talkback 2 button. In this case the
talkback 2 button will only control the
relay.
• Enabled: In this mode the talkback 2
button will operate normally. Whenever
the button is active the line-level output
and, if configured, the talkback to inter-
com pin 3 function, will be active.
Main Output Source
Switch SW3-7 is used to select which
audio source is routed to the main output.
The choices are the output of the micro-
phone preamplifier or the output of the
compressor circuit. For most on-air ap-
plications the output of the microphone
preamplifier is the desired source. This
will provide the most natural audio quality
with the potential for a large amount
of dynamic range.
In some applications it may be desirable
for the output of the compressor circuit to
be routed to the main output. Appropriate
Two modes are available:
• Main Button: In this mode the sidetone
function will only be active when the
main output is active.
• Main and Talkback Buttons: In this mode
the sidetone function will be active when-
ever the main, talkback 1, or talkback 2
outputs are active.