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6 Ion Operations Manual

Tracking vs. Cue Only

Ion is, by default, a tracking console. This means two things. First, tracking relates to how

cue lists are created. Once data is in a cue list, it will remain a part of that cue list, at its

original setting, and track forward through subsequent cues, until a new instruction is

provided or until it is removed from the cue list using filters or null commands.

Secondly, tracking relates to how changes to cue data are handled. Unless otherwise

instructed by a Cue Only command, changes to a parameter in a cue will track forward

through the cue list until a move instruction (or block command) is encountered.

It is possible to change the default setting of Ion to “Cue Only”. This prevents changes from

tracking forward into subsequent cues, unless overridden with a track instruction.

Ion also has a Cue Only/Track button that allows you to record or update a cue as an

exception to the default setting. Therefore, if console is set to Tracking, the button acts as

Cue Only. If console is set to Cue Only, it behaves as a Track button.

Move Fade

Move Fade is a lighting control philosophy which determines how cues are played back. Ion

adheres to this philosophy.

In a Move Fade system, parameters do not change from their current setting until they are

provided a move instruction in a cue or are given a new instruction manually.

For example, in cue 1, channel 1 has been given an intensity value of 50%. This value does

not change until cue 20, where channel 1 is moved to 100%. Therefore, channel 1 has a

tracked intensity value of 50% in cues 2-19. If the user applies a manual intensity value of

25% while sitting in cue 5 (for example), that channel will stay at 25% until Cue 20 is

recalled - because 20 is the next cue in which channel 1 has a move instruction. The

original intensity of 50% will not be reapplied in subsequent cues unless specifically called

out by the cue or manually performed.

Cue List Ownership

Ion is capable of running multiple cue lists. In a multiple-cue-list console, cue list ownership

is an important concept. Cue list ownership is determined by the cue from which a channel

is currently receiving its value. In Live, a parameter is considered to be “owned” by a cue

list when it is receiving its current value from that cue list.

When alternating between cue lists in sequential playback, an active cue list does not

necessarily own a channel unless that list has provided the last move instruction for that

channel. For example, assume a channel is owned by cue list 1 and is at a tracked value.

If a cue from another cue list is executed and provides a move instruction for the channel

in the new cue, the channel is now owned by the second cue list. It will not return to cue list

1 until that cue list provides a move instruction for the channel.

Assert may be used to override this default behavior, allowing a cue list’s control over a

channel to resume, even when the channel’s data is tracked.

This rule is not followed when executing an out of sequence cue. An out of sequence cue

is any cue that is recalled via “Go To Cue”, a Link instruction, or manually changing the

pending cue. In general applications, the entire contents of the cue (both moves and tracks)

will be asserted on an out of sequence cue.

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Electronic Theatre Controls Emphasis Lighting Control System Especificaciones Pagina 20

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