Philips Strand Lighting, Руководство по эксплуатации

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Priorities Concepts
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500ML Lighting Control Console
Operation Guide
Tracking
Basic Idea
When a sequence of cues is programmed, the lighting console can store the information in one of two ways: either it
records the settings for all attributes of all the fixtures used in the cuelist, or it is only recording the values that have
changed. The latter is called tracking and was invented because consoles in the early years had too little memory to
store all the information it would have needed to store for the first example given. However, tracking is not outdated.
It has its advantages over the "Non-Tracking" approach. The 500ML console allows you to playback cuelists both in
tracking or Non-Tracking modes.
What is Tracking?
Imagine you come home late at night and it is already dark outside:
You open up your apartment's main door (Cue 1) and you switch on the light in the corridor (Cue 2). You close the
door (Cue 3), and go straight into the living room after opening up its door (Cue 4), where you switch on the light as
well (Cue 5). The light in the corridor is still on, and the living room door still open since you did not change the
states of these.
Here is a closer look at what happened, and at what would be stored in the cues if we think of this chain of events as
a cuelist:
Examples
General Example
The following example shows the intensities of four fixtures in three cues on a Non-Tracking console:
With a tracking console, however, the recorded information would be:
If the intensity has not been changed or touched, then no value is recorded for that attribute. During playback, if
Tracking is enabled, attributes remain at their last assigned level, i.e.: Fixture 1 remains at 50% intensity while cue 3
is played back, because no change was recorded into cue 3.
Tracking through Changes
One advantage of tracking is that changes can be 'tracked through' a series of cues. In the example given above, if you
changed the intensity of Fixture 2 in cue 1 to 60%, this value would track through into cue 2, since Cue 2 has no
information for Fixture 2 recorded. The value will still change to 100% in cue 3, because a values is recorded.
Dimmer Color Gobo
Cuelist #2 Off 100% Blue Gobo 1
Fixture Main Door Light in Corridor Living Room Door Light in Living Room
Cue 1 Opened Off Closed Off
Cue 2 - On - -
Cue 3 Closed - - -
Cue 4 - - Opened -
Cue 5 - - - On
Fixture 1 2 3 4
Cue 1 80% 10% 50% 50%
Cue 2 50% 10% 100% 50%
Cue 3 50% 100% 100% 50%
Fixture 1 2 3 4
Cue 1 80% 10% 50% 50%
Cue 2 50% 100%
Cue 3 100%