Grass Valley Zodiak v.6.0 Mar 15 2006 - Manual (Page 96)

96 Zodiak — User Manual
Section 3 — Control Surface Description
Single Press
The most basic button behavior is a single press, where pushing the button
activates the labeled function immediately. These buttons light while its
action is being performed, and then go off, permitting the function to be
activated again. The
Cut button is an example of a basic single press button.
On some single press buttons, pressing the button again while the action is
being performed (the button will be lit) halts the action. The
Auto Trans
button is an example of a single press button that can be halted.
Alternate Action
Some system functions have two states, and are turned on and off by a
single alternate action button. Pressing the button when the function is off
turns the function on, and vice versa. The
Key Invert button in the Keyer sub-
panels is an example of an alternate action button.
Momentary Action
The momentary action button is one in which pressing and holding the
button makes something happen and releasing the button stops the action.
The
Show Key button in the Keyer subpanels is an example of a momentary
action button.
Interlocked Group
Many system functions have more than two states. Pressing a button in an
interlocked group sets the function to the state indicated by that button’s
label.
Source selector buttons on a bus are an example of one type of interlocked
group where selecting one button always turns off the previously selected
button. Only one of the sources can be selected on a source selection bus at
the same time. This is referred to as a radio button.
In some cases, more than one function can be selected simultaneously in an
interlocked group. Holding down one button while pressing another
button in the group will activate both functions. Pressing only one button
in the group will turn off any other active functions in that group. If an
individual button is pressed when off, it will go on, and if pressed when on
it will stay on. The
Key 1 - 4 , Bkgd , and Key Prior buttons in the Transition sub-
panel are an example of this type of interlocked group.
In some special cases, an additional state may be selected by pressing pairs
of buttons in an interlocked group. For example, no button exists in the
Keyer subpanels for an adjustable linear keys. Pressing
Lin Key and Lum Key
simultaneously selects an adjustable linear key. Both button tallies will be
lit in this state.