SGM Studio 12 User Manual download pdf (Page 17)

page 16

6.1 - Chase running

The first almost unique feature is that of

having twin chase speed regulation.

Two potentiometers (RATE and SLOPE)

control the total length of single steps

and the time taken to pass from one step

to another respectively, as shown in this

diagram.

This allows to have a chase with clear-cut

crossovers from one step to another or a

“gradual” crossover, carried out with “micro mixing” between steps.

Without this type of regulation, the only way to “smooth” the crossover from one chase step to

another is to rely on the lamp filament’s dousing inertia, which operators cannot control directly.

When adjusting chases’ running, the step length (RATE) of the chase depends on the ignition and

dousing times of the lamp being used (PAR 64 and PAR 56 lamps have different times).

If the SLOPE is longer than the RATE, the visual effect is that of a clear-cut immediate step from

one step to another, as the highest point of the SLOPE curve cannot exceed the RATE’s, conse-

quently eliminating the upward curve and giving clear-cut ignition.

On Studio consoles, it’s also possible to set the level of the channels in a step.

6.2 Creating and modifying chases

The function is only enabled in DIRECT mode and only when a chase is selected before

enabling it. To create a chase, or modify one that already exists, the procedure is the same, as no

particular procedure is required for storing: exiting EDIT automatically saves the new chase or the

variation carried out.

In EDIT mode the step to be created is selected with the same procedure normally used to select

the steps to use: by pressing and holding down the button followed by one of the channel

buttons in the MANUAL PRESETS, then releasing the button.

When creating a chase step, pressing the FLASH buttons enables the channel in on/off mode (the

most common for creating chases), whereas the faders are used to set the required light level.

When the console is in “double preset” mode, Preset A faders are used, whereas in “single pre-

set” mode all the 24 controls are enabled. When in this operating mode, it must be remembered

that the buttons are used to switch over on/off settings in groups of 12 channels.

12 steps are available for each chase in both “double preset” and “single preset” mode.

Aorpset B

step

edit

level

time

rate

slope

chasechasechase

stepstepstep

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 61 62

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SGM Studio 12 User Manual Page 17

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