RCF TTL33-A User manual

TTL33-A / TTL31-A
OPERATOR MANUAL Version 1.2

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CONTENTS
1.
INTRODUCTION
2.
GENERAL SAFETY
INSTRUCTION AND WARNINGS
3.
POWER REQUIREMENTS AND SET-UP
4.
THE TTL SYSTEM
5.
RIGGING THE SYSTEM
6.
SOUND DESIGN
7.
MAINTENANCE PROCEDURES
8.
TECHNICAL SPECIFICATIONS
TRANSDUCERS TECHNOLOGY
ELECTRONICS
CABINET AND MECHANICS
SAFETY PRECAUTIONS
GENERAL OPERATING PRECAUTIONS
VOLTAGE
CURRENT
GROUNDING
AC CABLES DAISY CHAINS
POWERING FROM THREE PHASE
AUDIO CONNECTIONS AND CABLING
SIGNAL CABLE DAISY CHAINS
INPUT PANEL LEDS
GENERAL RIGGING WARNINGS AND SAFETY PRECAUTIONS
“RCF SHAPE DESIGNER” SOFTWARE AND SAFETY FACTOR
RIGGING SYSTEM
RCF TTL33-A FLY-BAR
RCF TTL31-A FLY-BAR
RIGGING PROCEDURE
TTL33-A GROUND STACKING
RCF TTL33-A KART
HOW LINE ARRAYS WORK
DISTANCE TO THE FAR FIELD OF A LINE ARRAY
SYSTEM CONFIGURATION
ARRAY SYSTEM DESIGN
RCF SHAPE DESIGNER SOFTWARE
CLIMATIC EFFECTS
AMPLIFIER GAIN SETTINGS
USING SUBWOOFERS
PARTS INSPECTION CHECK LIST

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1.
INTRODUCTION
The TTL33-A and TTL31-A are the active line array mo-
dule of RCF TT+ family. The TTL33-A and TTL31-A are
a full range, ultracompact, wide dispersion, line array
modules that sets a new standard in the touring and
theatre sound reinforcement.
Thanks to digital amplifiers, high power neodymium transducers and well designed cabinet and mechanics the TTL33-A
and TTL31-A are unique products and offers the maximum output per size and weight; acoustically are “fully horn
loaded” in order to properly control directivity and to provide the highest sensitivity. The system is very easily configura-
ble; the cabinet is 15° shaped and is possible to build very small flown clusters starting from 4 modules or very big, long
throw, systems of 16 modules. A 32 bit floating point DSP, sampling at 96 kHz, is taking care of system equalization, 24
db/oct crossovers, soft clipping and system configuration parameters like air absorption or cluster size correction.
TRANSDUCERS TECHNOLOGY
Each transducer has been specifically designed for the application. The woofer provide large excursion and very light
weight, the midrange has an incredibly high BL for best vocal presence, the unique compression driver design offers the
minimum spacing between throats to avoid HF cancellation. Thanks to the extensive use of neodymium and new basket
designs, the total weight of the transducers is negligible!
TTL33-A 8” NEO WOOFERS
The MB8N251 is a high output, high power handling mid-bass desi-
gned to provide a very tight and fast response in band-pass designs.
Extended response down to 60 Hz, inside-outside voice coil, M-roll
surround. The voice coil size is 2.5”.
The TTL33-A is equipped with 2
MB8N251in bandpass configuration:

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THE TTL31-A 8” NEO WOOFERS
The MB8N252 is a high output, high power handling mid-bass desig-
ned to provide a very tight and fast response in hybrid reflex-hornloa-
ding designs. Extended response down to 60 Hz, inside-outside voice
coil, M-roll surround. The voice coil size is 2.5”.
The TTL31-A is equipped with 1 MB8N252 in a
hybrid reflex-hornloaded bandpass configuration:
THE TTL33-A 8” NEO MIDRANGE
The MR8N251 is a high efficiency, low distortion midrange specially de-
signed to provide superior sound pressure level in a very compact size.The
total weight is reduced to less than half of a comparable ceramic midrange
thanks to an incredibly powerful neodymium magnet assembly. Every detail
of this speaker has been optimised to offer maximum linearity and perfect
control to the midrange and midhigh frequencies. The voice coil size is 2.5”.
In the TTL33-A application, the MR8N251 is frontally horn loaded
and equipped with a lightweight aluminum back-can.
THE TTL33-A/ TTL31-A 1” NEO COMPRESSION DRIVER
The ND1411-MT compression driver is a design conceived for array
applications: very high output, high power handling, the overall size
is very small for the minimum spacing. Neodymium magnet, titanium
dome, mylar surround, radial phase plug. The voice coil size is 36 mm.
The TTL33-A /TTL31-A is equipped with 3 ND1411-MT in horn-loaded
configuration.
HIGH FREQUENCY HORN
The high frequency horn is one of the key parts of the line array.
One of the biggest problems in line array designs is the difference in
path lengths from driver to driver in high frequencies; this is cause of
hf comb filtering and cancellation. To avoid this problem many array
designs present in front of the driver complex “acoustic chambers”
to equalise different paths ( sound chambers, reflective chambers,
waweguides,…). Those devices are usually creating impulse response
problems and acoustic loads that are changing with the frequency.
In the TTL33-A/TTL31-A horn design, thanks to the very small overall
diameter of the drivers, the spacing between ND1411-MT centres of
emission in the array application is only 70 mm.Thanks to this small
spacing it has been possible to equalise the different paths with a simple
straight horn, with a very simple design that avoids reflections. The result
is a very even frequency response, a coherent wave source, a very natural
and transparent sound.
The TTL33-A/TTL31-A high frequency horn is designed to create a
continuous and coherent line from cabinet to cabinet.

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All the TTL33-A/ TTL31-A electronic is in a strong, separate, extruded
aluminum housing. From the right side of the amplification modu-
le are available Neutrik Powercon input and output, on/off switch
and protected ports for the ventilation fan. From the left side of the
amplification module are available all the inputs and controls. The
amplification module is connected to the main cabinet in 4 points
with M6 metric screws and easily removable.
INPUTS
The TTL33-A/ TTL31-A input section offers XLR input, XLR output for daisy chaining, and sensitivity control (+∞, -2 dB).
A set of 5 switch is used for parameters and configuration control: air absorption, cluster size, low frequencies cut off.
A data port is available for firmware upgrade and special applications.
SIGNAL PROCESSING
Each TTL33-A/ TTL31-A cabinet features a last generation, 32 bit floating point DSP for audio processing and a separate
micro-processor for general system management.
Analog-digital conversions are operated from high resolution 24 bit, 96 kHz converters.
The signal processing make use of state-of-the-art algorithms and performs a very accurate system equalization (6 point
each band), 24 dB/oct crossovers, transducers time alignment, hard limiter circuit, soft clipping circuit.
The DSP reads the system configuration and adjust the parameters to optimise the performances related to air absorption, cluster
size and subwoofer filtering. “RCF Shape Designer” software helps defining all parameters for specific projects and system designs.
AMPLIFIERS
The TTL33-A/ TTL31-A amplification power is delivered from 3/2 high accuracy, high power digital amplifiers. Very low
distortion and very natural sound combined to minimum weight and minimum heat dissipation are the distinctive char-
acteristics of this unique amplifier’s design.
THE TTL33-A AMPLIFICATION SECTION FEATURES:
• 750 watt switching power supply module
• 500 watt low frequency digital amplifier module
• 500 watt midrange digital amplifier module
• 250 watt high frequency digital amplifier module
• extra capacitor bus able to sustain the full voltage for over 100 ms burst signals
The total available power supply power is 750 watts and can be distributed to the 3 final amplifier sections. Each amplifier sec-
tion has a very high maximum output power capability in order to provide, when necessary, maximum output bursts in a specific
frequency range. A small fan, speed controlled, guarantee the air circulation inside the amplifier in the most demanding situations.
THE TTL31-A AMPLIFICATION SECTION FEATURES:
• 750 watt switching power supply module
• 500 watt low frequency digital amplifier module
• 250 watt high frequency digital amplifier module
• extra capacitor bus able to sustain the full voltage for over 100 ms burst signals
ELECTRONICS

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The TTL33-A/TTL31-A cabinet is in baltic
birch plywood, coated with high resistance
epoxy paint. The wood quality, the small
thickness in conjunction to a proper internal
bracing, the metal structure design make
this cabinet very light and robust.
The mechanical suspension and orientation
system is in high quality steel, very precise and
easy to use. All the mechanical parts are laser
cut, machined and precision assembled with
metric screws and threat locker.
The design guarantees a precise inclina-
tion of each module from 0° up to 15° in
small 2° steps.
The system is very light and can be moved
or transported from one or two people
using the side handles or rear handles (on
the amplifier sides).
The suspension system is designed to have a
proper safety factor (configuration dependent).
Using the “RCFShape Designer” software it
is very easy to understand safety factors and
limits for each specific configuration.
CABINET AND MECHANICS

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IMPORTANT NOTE
Before connecting using or rigging the system, plea-
se read this instruction manual carefully and keep it
on hand for future reference. The manual is to be
considered an integral part of the product and must
accompany the system when it changes ownership as
a reference for correct installation and use as well as
for the safety precautions. RCF S.p.A. will not assume
any responsibility for the incorrect installation and/or
use of the product.
WARNING
• To prevent the risk of fire or electric shock, never
expose this equipment to rain.
• The system TTL33-A/ TTL31-A should be rigged and
flown by professional riggers or trained personnel
under professional riggers’ supervision.
• Before rigging the system carefully read this manual.
2.
GENERAL
SAFETY
INSTRUCTION
AND WARNINGS
SAFETY PRECAUTIONS
1. All the precautions, in particular the safety ones, must be read with special attention, as they provide important informa-
tion.
2. The power supply voltage of this equipment is sufficiently high to involve a risk of electrocution; therefore, never
install or connect the product with the power supply switched on.
3. Before powering up the amplifier, make sure that all the connections have been made correctly and that the voltage
of your power mains corresponds to the voltage shown on the rating plate on the unit; if it does not, please contact
your RCF dealer.
4. The metallic parts of the unit are earthed by means of the power cable. In the event that the current outlet used
for power does not provide the earth connection, contact a qualified electrician to earth the equipment using the
dedicated terminal.
5. To protect the power cable from damage, make sure that it is positioned so that it cannot be stepped on or crushed
by objects.
6. To prevent the risk of electric shock, never open the amplifier. There are no parts on the inside that the user needs to
access.
7. Make sure that no objects or liquids can get into the amplifier, as this may cause a short circuit.
8. Never attempt to carry out any operations, modifications, or repairs that are not expressly described in this manual.
Contact your authorized service centre or qualified personnel should any of the following occur:
• the amplifier does not function (or functions in an anomalous way);
• the power supply cable has been damaged;
• objects or liquids have got into the unit;
• the amplifier has been subject to heavy impact.
9. When the amplifier is not to be used for long periods of time, switch it off and disconnect the power cable.

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10. If the amplifier begins to emit any strange odours or smoke, switch it off immediately and disconnect the power supply cable.
11. Do not connect this product to any equipment or accessories not specified. For suspended installation, only use the
dedicated anchoring points and do not try to hang this product using HANDLES or elements that are unsuitable or
not specific for this purpose. Also check the suitability of the support surface to which the product is anchored (wall,
ceiling, structure, etc.), and the components used for attachment (screw anchors, screws, brackets not supplied by
RCF etc.), which must guarantee the security of the system/installation over time, also considering, for example, the
mechanical vibrations normally generated by the transducer. To prevent the risk of falling equipment, do not stack
multiple units of this product unless this possibility is specified in the instruction manual.
12. RCF Spa. strongly recommends this product is installed by professional qualified installers (or specialised firms)
who can ensure correct installation and certify it according to the regulations in force. The entire audio system must
comply with the current standards and regulations regarding electrical systems.
13. Supports and trolleys. The equipment should only be used on trolleys or supports, where necessary, that are recom-
mended by the manufacturer. The equipment/support/trolley assembly must be moved with extreme caution. Sudden
stops, excessive pushing force and uneven floors may cause the assembly to overturn.
14. Hearing loss. Exposure to high sound levels can cause permanent hearing loss. The acoustic pressure level that leads
to hearing loss is different from person to person and depends on the duration of exposure. To prevent potentially
dangerous exposure to high levels of acoustic pressure, anyone who is exposed to these levels should use adequate
protection devices. When a transducer capable of producing high sound levels is being used, it is therefore necessary
to wear ear plugs or protective earphones. See the technical specifications in the instruction manual for the maxi-
mum sound pressure the loudspeaker is capable of producing.
IMPORTANT NOTE
To prevent the occurrence of noise on the cables that carry microphone signals or line signals (for example, 0 dB), only
use screened cables and avoid running them in the vicinity of:
• equipment that produces high-intensity electromagnetic fields (for example, high power transformers);
• mains cables;
• lines that supply loudspeakers.
GENERAL OPERATING PRECAUTIONS
• Do not obstruct the ventilation grilles of the unit. Situate this product far from any heat sources and always ensure
adequate air circulation around the ventilation grilles.
• Do not overload this product for extended periods of time.
• Never force the control elements (keys, knobs, etc. ).
• Do not use solvents, alcohol, benzene or other volatile substances for cleaning the external parts of this product.

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3.
POWER
REQUIREMENTS
AND SET-UP
WARNING
• The TTL33-A/TTL31-A System is designed to operate
in hostile and demanding situations. Nevertheless it
is important to take extremely care of the AC power
supply and set up a proper power distribution.
• The TTL33-A/TTL31-A System is designed to be
GROUDED. Always use a grounded connection.
VOLTAGE
The TTL33-A/TTL31-A amplifier is designed to work within the following AC Voltage limits: 230 Volt NOMINAL VOLTAGE:
minimum voltage 185 Volt, maximum voltage 260 Volt 115 Volt NOMINAL VOLTAGE: minimum voltage 185 Volt, maxi-
mum voltage 260 Volt . If the voltage goes below the minimum admitted voltage the system stops working If the voltage
goes higher than the maximum admitted voltage the system can be seriously damaged. To obtain the best performances
from the system it is very important that the voltage drop it is as low as possible.
CURRENT
The following are the long term and peak
current requirement for each TTL33-A/TTL31-A
module:
The total current requirement is obtained multiplying the single current requirement by the number of modules.To obtain the best
performances make sure that the total burst current requirement of the system doesn’t create a significant voltage drop on the cables.
GROUNDING
Make sure that all the system is properly grounded. All the grounding points shall be connected to the same ground node.
This will improve reducing hums in the audio system.
AC CABLES DAISY CHAINS
Each TTL33-A/TTL31-A module is provided with a Powercon outlet to daisy
chain other modules.The maximum number of modules that is possible to
daisy chain is:
230 VOLT: 6 modules total
115 VOLT: 3 modules total
WARNING - RISK OF FIRE
A superior number of modules in daisy chain will
exceed the Powercon connector maximum ratings
and create a potentially dangerous situation.
POWERING FROM THREE PHASE
When the TTL33-A/TTL31-A system is powered from a three phase power distribution it is very important to keep a good
balance in the load of each phase of the AC power. It is very important to include subwoofers and satellites in power
distribution calculation: both subwoofers and satellites shall be distributed between the three phases.
VOLTAGE BURST (100 ms) LONG TERM
230 Volt 4.5 A 3.15 A
115 Volt 9.0 A 6.3 A

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4.
THE TTL SYSTEM
AUDIO CONNECTIONS AND CABLING
The TTL33-A/TTL31-A input panel presents balanced XLR input/output.
SIGNAL CABLES DAISY CHAINS
Audio signal can be daisy-chained using the male XLR loop through connectors. A single audio source can drive multiple
speakers modules (like a full left or right channel made of 8-16 speaker modules); make sure that the source device is
able to drive the impedance load made of the modules input circuits in parallel.
The TTL33-A/TTL31-A input circuit presents a 100 KOhm input impedance. The total input impedance seen as a load
from the audio source (ex. audio mixer) will be:
• system input impedance = 100 KOhm / number of input circuits in parallel.
The required output impedance of the audio source (ex. audio mixer) will be:
• source output impedance > 10 * system input impedance
• always make sure that XLR cables used to feed audio signal to the system are:
- balanced audio cables
- wired in phase
A single defective cable can affect the performance of the overall system!
TTL33-A/TTL31-A
INPUT PANEL
1 XLR INPUT.
2 XLR LINK OUTPUT.
3 SENSITIVITY ( +∞, +4 dB, -2 dB).
4 HIGH PASS. This switch inserts a 110 Hz, 24 dB/octave high pass,
to be used in conjunction with subwoofers without any high pass signal
output. When the system is used in conjunction with the TTS18-A or
TTS28-A subwoofers the optimum solution is to use the high pass xover
signal output from the subs and leave the line array module in full range.
5 CLUSTER SIZE. The combination of the 2 central switches gives 4
possibilities of mid low frequencies correction depending on cluster size:
• 2-3 modules (used for stacking configurations)
• 4-6 modules (small flown systems)
• 7-9 modules (medium flown systems)
• 10-16 modules (large flown systems)
6 HIGH FREQUENCY CORRECTION. The combination of the 2
top switches gives 3 possibilities of high frequencies correction
depending on target distance (air absorption correction):
-near field ( up to 30 meters)
-mid field ( from 30 to 60 meters)
-far field ( more than 60 meters)

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7 GREEN - POWER LED. This led is ON when the system is connected
to the AC power source and the main on/off switch is in position 1.
8 GREEN - SIGNAL LED. This led is ON when the audio input signal
is superior to -20 dB. When there is no input signal the led is flashing.
9 YELLOW - STATUS LED. This LED is flashing during the bootstrap pro-
cedure and in case of communication problems with the DSP processor.
10 RED/ORANGE - LIMITER LED. This led is ON when the limiter
circuit is active to prevent output distortion or damage of the speaker:
ORANGE - Soft limiter circuit. When the LED is flashing ORANGE one
of the power amplifiers reaches the maximum output for short perio-
ds of time and the working condition can be considered normal. RED
- Hard limiter. When the LED is flashing RED (following the signal)
one of the power amplifiers reaches the maximum output for longer
periods of time. When the LED is blinking RED one of the RMS limiter
circuit is active in order to prevent damage to one of the transducers
or power amplifiers.
Always avoid operating conditions where the System works for
long periods of time with the RED LED flashing or blinking.
11 DATA INPUT. This port is used to update DSP firmware, DSP
presets, microprocessor firmware.
TTL33-A/TTL31-A
INPUT PANEL LEDS
The input panel presents 4 system LEDs:

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5.
RIGGING
THE SYSTEM
WARNING
• The system must be rigged in accordance with the laws and regulations of the Country where the system is used. It is
responsibility of the owner or rigger to make sure that the system is properly rigged in accordance with Country and
local laws and regulations.
• Always check that all the parts of the rigging system that are not provided from RCF are:
-appropriate for the application
-approved, certified and marked
-properly rated
-in perfect condition
• Each cabinet support the full load of the part of the system below. It is very important that each single cabinet of the
system is properly checked.
“RCF SHAPE DESIGNER” SOFTWARE AND SAFETY FACTOR
The suspension system is designed to have a proper safety factor (configuration dependent). Using the “RCF Shape
Designer” software it is very easy to understand safety factors and limits for each specific configuration. To better com-
prehend in which safety range the mechanics are working a simple introduction is needed: TTL33/ TTL31-A mechanics
are built with certified UNI EN 10025-95 S 235 JR Steel. RCF prediction software calculates forces on every single
stressed part of the assembly and shows the minimum safety factor for every link. S 235 JR is a structural steel and has a
stress-strain (or equivalent Force-Deformation) curve like the following:
The curve is characterized by two critical points: the Break Point and
the Yield Point. The tensile ultimate stress is simply the maximum
stress attained. Ultimate tensile stress is commonly used as a criterion of
the strength of the material for structural design, but it should be reco-
gnized that other strength properties may often be more important. One
of these is for sure the Yield Strength. Stress-strain diagram of S 235 JR
exhibit a sharp break at a stress below the ultimate strength. At this cri-
tical stress, the material elongates considerably with no apparent change
in stress. The stress at which this occurs is referred to as the yield point.
Permanent deformation may be detrimental, and the industry adopted
0.2% plastic strain as an arbitrary limit that is considered acceptable by
all regulatory agencies. For tension and compression, the corresponding
stress at this offset strain is defined as the yield.
GENERAL RIGGING WARNINGS AND SAFETY PRECAUTIONS
• Suspending loads should be done with extreme caution.
• When deploying a system always wear protective hel-
mets and footwear.
• Never allow people to pass under the system during
the installation process.
• Never leave the system unattended during the instal-
lation process.
• Never install the system over areas of public access.
• Never attach other loads to the array system.
• Never climb the system during or after the installation.
• Never expose the system to extra loads created from
the wind or snow.

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S 235 JR characteristic values are R=360 [N/mm2] for Ultimate Strength and Rp0.2=360 [N/mm2] for Yield Strength.
In our prediction software the Safety Factors are calculated considering the Maximum Stress Limit equal to the
Yield Strength, according with many international standards and rules.
The resulting Safety Factor is the minimum of all the calculated safety factors, for each link or pin.
This is where you are working with a SF=7
Depending on local safety regulation and on situation the required
safety factor can vary. It is responsibility of the owner or rigger to
make sure that the system is properly rigged in accordance with
Country and local laws and regulations.
The “RCF Shape Designer” software gives detailed information of the
safety factor for each specific configuration.
The results are classified in 4 classes:
WARNING
• The safety factor is the result of the forces acting on fly bar’s and system’s front and rear links and pins and depends
on many variables:
- number of cabinets
- fly bar angles
- angles from cabinets to cabinets. If one of the cited variables change the safety factor MUST BE recalculated using
the software before rigging the system.
• In case the fly bar is picked up from 2 motors make sure that the fly bar angle is correct. An angle different from the
angle used in the prediction software can be potentially dangerous. Never allow persons to stay or pass under the
system during the installation process.
• When the fly bar is particularly tilted or the array is very curved the centre of gravity can move out from the rear
links. In this case the front links are in compression and the rear links are supporting the total weight of the system
plus the front compression. Always check very carefully with the “RCF Shape Designer” software all this kind of situa-
tions (even with a small number of cabinets).
System particularly tilted System very curved
-GREEN: SAFETY FACTOR > 7 SUGGESTED
-YELLOW 4 > SAFETY FACTOR > 7
-ORANGE 1.5 > SAFETY FACTOR > 4
-RED SAFETY FACTOR < 1.5 NEVER ADMITTED

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The TTL33-A/TTL31-A module is provided with 4 rigging bars, 2 in
the front and 2 in the rear corners. The rigging bars are securely
connected
to front and rear metal corners. Front and rear metal corners are
securely connected to the cabinet. The rigging system is made of
rigging bars and metal corners in sequence. Rigging bars and metal
corners are securely connected by:
- M10 rectified bolts
- Quick lock pins The wooden cabinet is not a primary part of the
rigging system.
RIGGING SYSTEM
THE TTL33-A FLY BAR
The TTL33-A system must be suspended
using the RCF TTL33-A fly bar
THE TTL33-A FLY BAR FEATURES:
1 FRONT FLYING BRACKET - Front mounting
2 QUICK LOCK PIN HOLE - Front mounting (to be used to lock
the front bracket before installation)
3 REAR BAR HOLE - Front mounting
4 FRONT FLYING BRACKET - Rear mounting
5 QUICK LOCK PIN HOLE - Rear mounting (to be used to lock
the front bracket before installation)
6 REAR BAR HOLE - REAR MOUNTING.
7 FRONT STACKING POINT.
8 REAR STACKING POINT - UPPER POSITION.
9 REAR STACKING POINT - LOWER POSITION.
10 FRONT BRACKET - TRANSPORT POSITION HOLE.
11 REAR BRACKET - TRANSPORT POSITION HOLE.
12 CORNER DOUBLE-MOTOR PICK-UP POINT.
13 CORNER DOUBLE-MOTOR PICK-UP POINT.
14 12 CENTRAL PICK-UP POINTS.
10

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THE TTL31-A FLY BAR
The TTL31-A system must be suspended
using the RCF TTL31-A fly bar
THE TTL31-A FLY BAR FEATURES:
1 FRONT FLYING BRACKET - Front mounting
2 QUICK LOCK PIN HOLE - Front mounting (to be used to lock
the front bracket before installation)
3 REAR BAR HOLE - Front mounting
4 FRONT STACKING POINT.
5 REAR STACKING POINT - UPPER POSITION.
6 REAR STACKING POINT - LOWER POSITION.
7 FRONT BRACKET - TRANSPORT POSITION HOLE.
8 CORNER DOUBLE-MOTOR PICK-UP POINT.
9 CORNER DOUBLE-MOTOR PICK-UP POINT.
10 9 CENTRAL PICK-UP POINTS.
1
2
7
6
4
98
5
3
1
2
7
6
4
98
5
3
10
FRONT BRACKETS, FRONT AND REAR MOUNTING:
Front brackets in transport position Tilting the front brackets

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THE 3 POSSIBLE PICK-UP SYSTEMS FOR THE TTL33-A/TTL31-A FLY BAR ARE THE FOLLOWING:
SINGLE MOTOR - CENTRAL PICK-UP
DOUBLE MOTOR - CENTRAL FRONT-BACK PICK-UP
DOUBLE MOTOR - 4 CORNERS PICK-UP
WARNING
• Always check that the rigging motors rating exceed the total load to be suspended.
• Always check that the connection hoist rating exceed the total load to be suspended. The connection hoist must be
connected using the flat part in contact to the bar and the round part connected to the motor hoist.

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RIGGING PROCEDURE
RIGGING THE SYSTEM FOLLOW THE PROCEDURE:
H RIGGING CHAIN HOIST
S CERTIFIED SHACKLE
F FLY BAR
1Connect the fly-bar F to the chain hoist H (o motors) using a cer-
tified shackle. Secure the shackle to prevent un-screwing (following
the shackle supplier instructions
and warnings)
2Connect the second pin on the front bracket to make sure that the
connecting bracket is vertical
3Connect the front
bracket to the first
TTL33-A/TTL31-A
cabinet using 2 quick
lock pins

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5Connect the second
cabinet to the first
always starting from
the 2 front brackets
6Reverse and connect
the rear brackets of the
second cabinet using the
hole for the proper angle.
7Connect all the other
cabinets following the
same procedure and
connecting a single
cabinet each time.
4Reverse and connect
the 2 rear bracket to
the fly-bar using 2
quick lock pins

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TTL33-A/TTL31-A RIGGING SYSTEM TTL33-A/TTL31-A FLOWN SYSTEM
WARNING
• Always make sure that each quick locking pin is properly entered in the right position and securely locked.
• Always make sure that rear left and right angle set-up are the same.
• Rigging the array, in any case, always lock the 2 front pins at first, then the 2 rear pins. Un-rigging the array, in any
case, always un-lock the 2 rear pins at first, than the 2 front pins.
UN-RIGGING THE SYSTEM
Un-rigging the system follow this instructions:
• remove the last cabinet un-locking the 2 rear pins at first, than the 2 front pins.
• remove all the other cabinets following the same procedure and removing a single cabinet each time.
• remove the fly-bar from the motor (o motors).
RIGGING OR UN-RIGGING MULTIPLE CABINETS
If the array is made of a small group of cabinet it is possible to rig or un-rig more than one cabinet a time. For example
an array made of six cabinets can be rigged in two group of three cabinets, each group directly from the kart.
WARNING
This procedure is generally more dangerous and it is very important to respect the following limits of application:
• NEVER CONNECT A GROUP OF CABINETS BIGGER THAN 4
• NEVER CONNECT CABINETS IN GROUPS IF THE ARRAY IS BIGGER THAN 8
• NEVER CONNECT CABINETS IN GROUPS IF THE ARRAY IS VERY CURVED
• NEVER FLY THE SYSTEM AT TEMPERATURES LESS THAN -5° C
Use the same general strategy un-rigging the system.