The Scroller Patch
Spark
20-14
Patching DMX addresses to scrollers
Pressing F2 Assign to Dimmer bumps you to the Channel Patch menu. For instructions
on assigning DMX addresses to scrollers see Patching dimmers to scrollers, page 20-3. To
assign a range of addresses to a range of scrollers you must start from the Channel Patch
menu.
You can choose to assign dimmers to scrollers using the Default Dimmer option (F4). The
default dimmers are always the last dimmers in the system.
Defining a dark gel frame
The dark gel function keeps two consecutive color frames in motion as long as the dimmer
of the lighting unit is working at more than 10% intensity.
This saves on gel burn when using very dark colors, as no single area of the gel is
constantly exposed to the heat of the lamp. When assembling the gel ribbon cut a double
length of dark colors.
Keypresses Results/Comments
1. Select the scroller
2. Press F4 On/Off Dark
Gel
Prompt line reads:
Set to dark gel from frame #
3. Select the first the dark
gel frame on the numeric
keypad or F4 and F5 or
press F4 or F5 until the
cursor is on the frame.
The system automatically recognizes the next
gel frame as the continuation of the dark gel.
4. Press F1 On
The dark gel function is now activated. A small,
red 'd' appears between the two frame numbers
in the frame table.
Canceling a dark gel assignment
To cancel a dark gel assignment, follow the same procedure described above, selecting F2
Off.
The little 'd' denoting dark gel disappears from the frame table.
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