Apple Logic Pro 7 User Manual download pdf (Page 255)

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Chapter 5 The Environment 255

Data values of 126 and 127 have a special effect:

• An event with a value of 127 increases the output number. If you’re on the switcher’s

last output when this event is received, you’ll jump back to the first output. This is

just like clicking on the fader.

• An event with a value of 126 decreases the output number. If you’re on the switcher’s

first output when this event is received, you’ll jump forward to the last output.

Meta Event Faders

Meta faders generate special events called meta events, which are used to control

certain Logic functions, but have no MIDI meaning, and are never sent to the MIDI

output.

In some cases (such as Goto Screenset, Goto Song and so on), you do not need to cable

meta faders into another Object for them to work. Even in these cases, you can use

cabling to process meta events in the Environment, and therefore alter their effect. In

the majority of cases (Set fader range minimum, Bang!, Set Transformer Operation

Minimum and so on) the meta fader must be cabled to the Object being affected.

Here’s a quick summary of the currently implemented meta events that can be

generated by faders:

Meta Event Controlled Logic function

46 Assign Alias

49 Goto Screenset

50 Goto Song

51 Goto marker

52 Stop playback

96 Set fader range minimum

97 Set fader range maximum

98 Set the fader value without sending.

99 Bang! Causes the fader to re-send its current value. The bang data value can be used

to make the fader to increment-without-rollover (127), decrement-without-rollover

(125), increment-with-rollover (123) or decrement-with-rollover (121). Use values one

less than those shown, to have the bang passed through to all connected faders.

100 Tempo Control (see “Real Time Tempo Fader” on page 603)

122 Set transformer map value for the currently selected map position.

123 Select transformer map position.

124 Set transformer condition maximum (bottom) parameter, if any. (This applies to all

conditions not set to All).

125 Set transformer condition minimum (top) parameter, if any. (This applies to all

conditions not set to All).

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Apple Logic Pro 7 User Manual Page 255

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