Studio Technologies 212 2006 User Manual
Page 20

Issue 3, July 2006
Model 212 User Guide
Page 20
Studio Technologies, Inc.
Talkback Output Button Mode
Switch SW3-3 configures the way the talk-
back output button functions.
Dual-Channel or Stereo Mode
Switch SW3-4 is used to select whether 
the controls provide a dual-channel 
(“level/level”) or stereo (“level/balance”) 
mode of operation. In the level/level mode 
the two controls operate independently, 
each controlling the level of one of the 
headphone output channels. This mode 
is generally used for on-air broadcast 
applications where independent cue 
signals are provided to the left- and right-
headphone channels. In the level/balance 
mode the left rotary control sets the overall 
output level for both headphone channels. 
The right rotary control is used to adjust 
the balance (the relative levels) of the left 
and right channels. This mode is generally 
best suited for applications where a stereo 
cue source is being provided.
Figure 10. Headphone control mode settings
Figure 9. Talkback output button mode settings
Two modes are available:
• Push to talk: In this mode the talkback
output channel is normally muted (mini-
mum digital audio level). The talkback 
output channel will become 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 talk-
back output channel will become active 
until the button is released. If the button 
is momentarily “tapped” the talkback 
output channel will change state. Upon 
power up the talkback output channel 
will be in its muted state.
Headphone Output Operating Modes
The user is provided with two rotary level 
controls (“pots”) that are associated with 
the stereo headphone output. Switches 
SW3-4, SW3-5, and SW3-6 are used to 
configure the way the controls function. 
With just these three switches a wide 
range of operating modes can be con-
figured. Carefully reviewing the capabili-
ties of the available functions may prove 
worthwhile.
Reverse Left/Right Mode
Switch SW3-5 is used to select whether the 
rotary controls are in the normal or reverse 
left/right mode of operation. When selected 
to the normal mode, and level/level mode 
is also selected, the left control adjusts 
the level of headphone output’s left chan-
nel. (This is the signal that appears on the 
tip lead of the ¼-inch 3-conductor jack.) 
The right control adjusts the level of the 
right channel. When selected to the normal 
mode, and the level/balance mode is also 
selected, turning the balance control in the 
counterclockwise direction increases the 
perceived level of the left channel output, 
and vice versa.
