• The Indexable TwinSpin™ is a twin rotator for two gobos driven from one motor and can be fitted with one or two gobos. The
gobo on the flat side of the rotator is fully indexed and the second gobo follows all the actions of the first one in reverse.
• Four 10-position switches are on the control box. The MODE switch is the one nearest the Gobo end of the motor box. The
switch farthest from the gobo is X1 DMX address the X10 and x100
• There are five programmable DMX controlled modes and four built-in pre-programmed effects which don’t require a DMX signal.
• The GAM indexing rotator is controlled by the DMX512 protocol and is powered by 24 volts DC, either from most
color scroller power supplies or a standalone power supply. *
• Once powered, the unit will show a red power LED to indicate the power is on. The unit is also fitted with a green LED which
indicates the status of operation.
• At power on, the unit needs to initialize to find the home position of the Gobos. This takes about 2 seconds during which
time the green data LED will flash. Once the home sensing is complete, the flashing will stop. If the green data LED is not lit,
then there is no DMX signal present. If the LED continues flashing, it means there has been a fault detecting the sensor. The
unit will operate but without the correct index positioning.
• Mode and channel switches can be operated with the power
on. A small delay will take place to correctly accept any new
settings on the switches.
• The Gam indexing rotator is powered from most 4 pin color
scroller power supplies or a standalone power supply, 24 volt
DC and controlled by DMX 512.
INS
TALLING PATTERNS - Install the patterns in the Gobo holders using the provided retaining rings. Older warped patterns should
be installed with the bent parts bowed away from each other so they won’t catch when rotating. You must ‘Burn in’ new patterns
before rotating for the first time by placing the TwinSpin™ (with the patterns mounted) in the fixture and the lamp at full for approximately
two minutes. Do not rotate the gobos. Failure to ‘Burn in’ will most likely result in a jam. If the patterns catch on each other
or
the retaining ring is not properly secured and slips, the TwinSpin™ may jam and stop turning. Turn off motor and light as soon as
possible and remove the unit to free the jam.
PRE
PARE THE FIXTURE - Before installing the TwinSpin™ in the fixture, it is important to align the lamp. The circle of light
should be as smooth and even as possible, without hot spots.
INS
TALLING THE TwinSpin™ - Slide the TwinSpin™ straight down into the iris slot (the wide slot right in front of the pattern slot).
Make sure it is seated straight and as far down as it will go. Secure the 4-pin cable so that it does not contact the hot lamp house.
Please Note; The TwinSpin™ is not intended for use in the older 1000W ellipsoidal spotlights. For continuous applications we
suggest the new cool beam units such as the ETC Source I
V, the Altman Shakespeare or the Strand SL and other
cool beam type units.
* The connections via the 4-pin XLR connector are as follows;
Pin 1 -24 V DC Pin 2 DMX signal, re-routed
Pin 4 +24 V DC Pin 3 DMX signal, re-routed
Unit will function properly on reversed polarity (as found on some color changer supplies).
Each unit has a male XLR input connector and a female XLR (with power and DMX signal feed through) allowing daisy chaining
multiple
TwinSpins™ and scrollers on one line.
The current draw of the unit is about 500ma. If using many units on one supply, make sure the total current draw of TwinSpins™
and scrollers does not exceed the supply limits. As well, make sure the 4-pin cables (especially at the beginning of the chain) can
handle the load.
Page 1 of 6 12/06
Indexed gobos
INDEXING TWINSPIN™ (1 MOTOR) OPERATING INSTRUCTIONS
100% 255 = FF STOP
50 to 99% 129 to 254 25 to 0.1 Rpm counterclockwise spin
50% 128 STOP
1 to 49% 0 to 127 0.1 to 25 Rpm clockwise spin
0% 0 STOP - at position set by indexing fader
FADER % HEXADECIMAL FUNCTION
Speed - channel 2 Index / Position of gobo
1 to 100% 0 to 255 Index position (8 bit) 0 - 359 degrees
0% 0 Continuous rotation as set by speed channel
76 to 99% 193 to 254 0.1 to 25 Rpm counterclockwise
75% 191 to 192 STOP
51 to 74% 129 to 190 25 to 0.1 Rpm clockwise spin
50% 128 STOP
0 to 49% 0 to127 Index 0 to 359 degree at 5 Rpm shortest route
Pag e 2 of 6
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100% 255 = FF STOP
All indexing takes place at 5 Rpm.
MODE 2 OPERATION -- MODE SWITCH = 2 -- 2 CHANNEL OPERATION
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Speed - channel 1 1. Speed and direction of continuous spin
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If the indexing channel is set to zero, then the gobo will continuously rotate according to the setting of the speed channel.
In Index Mode (channel 2 is set above 1%), the gobo will take the shortest route to its position.
The speed of indexing is set by channel 2 and for index mode, the speed-control-channel stop positions are not used.
MODE 1 OPERATION -- MODE SWITCH = 1 -- 1 CHANNEL OPERATION
FADER % HEXADECIMAL FUNCTION
FADER % HEXADECIMAL FUNCTION
Speed and position control on a single fader
Set DMX address - This number will correspond to channel control for the rotator
The indexing gobo is controllable according to the following table:
Separate speed and position control
Set DMX address
The indexing gobo is controllable according to the following table:
12/06
0% is full speed indexing
50
100% (full) is full indexing
% is 0.1 rpm indexing.
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Page 3 of 6
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MODE 3 OPERATION -- MODE SWITCH = 3 -- THREE CHANNEL OPERATION
FIRST CHANNEL % HEXADECIMAL FUNCTION
1. Speed of indexing
2. Speed and direction of continuous spin
SECOND CHANNEL % HEXADECIMAL
HEXADECIMAL
FUNCTION
Index position coarse
THIRD CHANNEL % FUNCTION
Index position fine
12/06
Three channel selection operates the gobo indexing in 16 bit mode for smooth low speed tracking operation.
Ideal when using desk fade timing for live movement. Indexing takes the shortest route to the set position and
uses the speed set bythe first channel of gobo control. If the speed /direction channel is set to zero then indexing
will take place at 5 Rpm.
Separate speed control and 16 bit position control
Set DMX address
The indexing gobo is controllable according to the following table:
100% 255 = FF STOP
50 to 99% 129 to 254 0.1 to 25 Rpm counterclockwise spin
50% 128 STOP
1 to 49% 1 to 127 25 Rpm to 0.1 clockwise spin
0% 0 STOP
1 to 100% 1 to 255 Index position coarse (8bit) 0 - 359 degrees
0% 0 Continuous rotation controlled from first channel
0 to 100% 0 to 255 Index position fine (16 bit)
51 to 100% 129 to 255 0.1 to 25 Rpm counterclockwise spin
50% 128 STOP
0 to 49% 1 to 127 25 Rpm to 0.1 clockwise spin
0 to 100% 0 to 255 Index position coarse (8 bit) 0 - 359 degrees
0 to 100% 0 to 255 Index position fine (16 bit)
60% to 100% 153 to 255 Indexing by set direction
40% to 59% 102 to 152 Continuous rotation
0 to 39% 0 to 101 Indexing by shortest direction
Page 4 of 6 12/06
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1. Speed and direction of indexing
2. Speed and direction of continuous spin
MODE 4 OPERATION -- MODE SWITCH = 4 -- 4 CHANNEL OPERATION
FIRST CHANNEL %
SECOND CHANNEL %
HEXADECIMAL
HEXADECIMAL
FUNCTION
Index position coarse
Index position fine
FUNCTION
THIRD CHANNEL %
FOURTH CHANNEL %
HEXADECIMAL
HEXADECIMAL
FUNCTION
Stop at index position or continuous rotation control
FUNCTION
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Operates in 16 bit indexing mode and uses an extra channel to activate the index position while gobo is
rotating. Rotate and stop control is a one channel operation.
Set DMX address
Indexing gobo is controllable according to the following table:
When indexing the speed and or direction is selected by channel 1
In index mode the speed-control-channel stop positions are not used
0% is full speed indexing
50% is 0.1 rpm indexing
100% (full) is full indexing
Page 5 of 6 12/06
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FIRST CHANNEL % FUNCTION
1. Speed and direction of indexing
2. Speed and direction of continuous spin
HEXADECIMAL
HEXADECIMAL
HEXADECIMAL
SECOND CHANNEL %
THIRD CHANNEL %
FUNCTION
Index position coarse
FUNCTION
Index position fine
This mode is equal to DHA/Rosco Mode 3
Operates indexing gobo in 16 bit mode for smooth tracking operation when using desk timing for
live movement
Set DMX address
Indexing gobo is controllable according to the following table:
MODE 9 OPERATION -- MODE SWITCH = 9 -- 3 CHANNEL OPERATION
50% 128 STOP
50 to 99% 129 to 254 0.1 to 25 Rpm counterclockwise spin
50% 128 STOP
1 to 49% 1 to 127 25 Rpm to 0.1 clockwise spin
0% 0 STOP
1 to 100% 1 to 255 Index position coarse (8bit) 0 - 359 degrees
0% 0 Continuous rotation controlled from first channel
0 to100% 0 to 255 Index position fine (16 bit)
Index mode is running whenever the second control channel is above zero. Indexing occurs at the
speed and direction set by the first channel of each gobo control. If the speed / direction channel is set
to zero then indexing will take place at 5 Rpm and will take the shortest route to the next set position.
Page 6 of 6 12/06
Index gobo X100 X10 X1
clockwise 0 Set 0 -99 for speed control
counterclockwise 1
Set 0-99 for speed control
STANDALONE MODES
SET MODE SWITCH = 0
SET MODE SWITCH = 5
SET MODE SWITCH = 6
SET MODE SWITCH = 7
• No DMX required. Self generated movements are set with address switches
• Four m
odes of operation
Operation is set by the following table parameters:
Function:
pendulum sway
Index gobo rotatesback and forth is a smooth motion similar to a swinging pendulum
X100 switch 0 - 9 sets the gravity of the pendulum
X10 switch 0 - 9 sets the maximum speed of the pendulum
Function: Random roll forward
and backwards
X100 switch 0 - 9 sets the time taken per cycle
X10 switch 0 - 9 sets the dwell time (while stopped) on the change of direction
X1 switch 0 - 9 sets the speed of the gobo rotation
Function: Timed roll forward
and backwards
X100 switch 0 - 9 sets the time taken per cycle
X10 switch 0 - 9 sets the dwell time (while stopped) on the change of direction
X1 switch 0 - 9 sets the speed of the gobo rotation
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