Studio Technologies 240 - Manual (Page 18)

Issue 1, August 2013 Model 240 User Guide
Page 18 Studio Technologies, Inc.
Button Modes
Switches SW3-1 through SW3-4 configure
how each of the four talk buttons function. Main Output 4 to Intercom Pin 3
Function Mode
Switch SW2-12 configures whether the au-
dio signal associated with main output 4 will
be routed to pin 3 of the intercom interface.
Figure 11. Button 1 mode settings (settings
same for button 2-4 modes)
Figure 12. Intercom listen mode settings
Two modes are available for each button:
• Push to Talk: In this mode the talk func-
tion associated with a button is nor-
mally off. The associated talk function
becomes active whenever the button is
pressed and held.
• Hybrid: This mode is a combination of
push to talk and alternate action. If the
button is pressed and held, the associ-
ated talk function will become active
until the button is released. If the button
is momentarily “tapped” the function’s
state will change; off-to-on or on-to-
off. When set to the hybrid mode upon
Model 240 power up the associated talk
function will be in its off state.
Intercom Listen Mode
Switch SW3-5 configures the way the
intercom listen mode functions.
Figure 10. Main output 4 to intercom pin 3
settings
Two modes are available:
• Off: In this mode audio will not be routed
to pin 3 of the intercom interface.
• On: In this mode audio associated with
main output 4 will be routed to pin 3 of
the intercom interface. (Pin 3 is channel
2 of an RTS TW intercom system. For
a single-channel Clear-Com intercom
system pin 3 is channel 1.)
Operating Modes
The sixteen switches associated with
switch assemblies SW3 and SW4 are
used to configure the Model 240’s operat-
ing modes. Technically, these switches
communicate with the microcontroller
integrated circuit and then on to the firm-
ware (embedded software) that gives the
Model 240 its “smarts.” The firmware has
been carefully designed to provide a num-
ber of different ways in which the unit can
function. It’s important to carefully review
the available selections and choose the
ones that best meet the needs of a spe-
cific application. Note that switches can be
changed even while the Model 240 is pow-
ered up and operating. The unit’s operating
characteristics will change in “real-time” in
response to configuration changes.