ETC Desire D40XTI User manual

D40XTI
User Manual
v1.4
Rev A
Read entire User Manual before using equipment.
Desire Series by ETC
Copyright © 2013 Electronic Theatre Controls, Inc.
All Rights reserved.
Product information and specifications subject to change.
Part Number:
7410M1250-1.4.0 Rev A
Released: 2013-04

ETC permits the reproduction of materials in this manual only for non-commercial purposes.
All other rights are reserved by ETC.
ETC intends this document, whether printed or electronic, to be provided in its entirety.
ETC is a registered trademark of Electronic Theatre Controls, Inc. in the United States and
other countries.
Other product and company names mentioned herein may be trademarks and/or service marks
of their respective owners.
This product is protected by one or more of the following U.S. Patents: 6,016,038, 6,150,774,
6,788,011, 6,806,659, 6,683,423 and 7,023,543

D40XTI Series v1.4.0 User Manual i
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . .1
Quick Setups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Vivid, Lustr+, Fire and Ice, Studio HD . . . . . . . . . . . . . . . . . . . . . .1
Studio Daylight, Studio Tungsten . . . . . . . . . . . . . . . . . . . . . . . . .2
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Typography Used in This Guide . . . . . . . . . . . . . . . . . . . . . . . . . .4
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Focus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Configure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Quick Setups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Installation and DMX Profiles . . . . . . . . . . . . 9
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Dimensions and Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Fixture Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Installation Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Typical Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Note About LED Fixtures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Color Rendering Index and Color Quality Scale Ratings . . . . . .14
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Installation on a Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Accessory Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Installation on a Permanent Base . . . . . . . . . . . . . . . . . . . . . . . .17
Installation on a Pole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Installation on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Power and Data Cabling Requirements . . . . . . . . . . . . . . . . . . .18
Indicator Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
DMX Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
DMX Footprints and Channel Mapping . . . . . . . . . . . . . . . . . . . . . .24
Vivid, Lustr+, Fire, Ice, Studio HD . . . . . . . . . . . . . . . . . . . . . . . .24
Studio Tungsten and Daylight . . . . . . . . . . . . . . . . . . . . . . . . . . .24

ii D40XTI Series v1.4.0 User Manual
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Gadget . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
DMX/RDM Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
DMX Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Data Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
LED Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Over Temp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Restore Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Software Update Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Presets and Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Presets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
RDM Commands . . . . . . . . . . . . . . . . . . . . 37

Introduction 1
Introduction
Congratulations on your purchase of a Desire D40XTI Series by ETC product.
The Desire D40XTI Series is designed for permanent installations indoors or outdoors, with
an IP66 rating, rugged die-cast enclosure, and noiseless fan-free operation. Up to 32
D40XTI fixtures can be linked together on one data chain. The fixtures are configured using
an RDM configuration tool on a PC or an RDM console. Either of these are connected to
the DMX/RDM network. After configuration, the network is connected to a RDM lighting
control device.
Desire’s x7 Color System™ seven-hue technology produces a light and color quality that
conventional LED systems cannot duplicate. This unique color system produces bright,
broad-spectrum whites and intense colors equally well, rendering pigments, objects, and
skin tones in a natural way.
Fire and Ice fixtures use elements of the x7 Color System for superior performance in deep
saturated colors.
Studio Daylight and Studio Tungsten fixtures use high-output white LEDs for maximum
brightness and efficacy. Studio Tungsten interacts very well with incandescent sources,
while Studio Daylight easily replaces a variety of HMI lamps and natural sunlight.
Quick Setups
You can use any one of the Quick Setups and fine-tune settings for operation via
DMX/RDM protocol.
Vivid, Lustr+, Fire and Ice, Studio HD
Some of the options include:
• Multiple DMX profiles ranging from a simple 3-channel RGB profile to 8-channel native
color and intensity control.
• Multiple dimming curve options.
• Preset colors and sequences for standalone operation.
• White point selection; white light and color behavior based on a specific color
temperature white light such as 3200K or 5600K.
• Loss-of-data behavior options.
• Power regulation modes; three output options that offer a choice between maximum
light output for lower duty cycles and maximum thermal stability and output consistency
for higher duty cycles.

2D40XTI Series v1.4.0 User Manual
Studio Daylight, Studio Tungsten
Some of the options include:
• Multiple dimming curve options.
• Presets and sequences for standalone operation.
• Strobe.
• Loss-of-data behavior options.
• Power regulation modes; three output options that offer a choice between maximum
light output for lower duty cycles and maximum thermal stability and output consistency
for higher duty cycles.
Figure-1.1 Components of a D40XTI Fixture.
Figure-1.2 Components of the Rear Panel.
LED array
Yoke
Trim ring
Yoke locking
knob
Safety cable
loop
Power In
DMX/RDM In
Status indicators

Introduction 3
Models
Each member of the Desire Series product line is unique and optimized for a specific
lighting task. All fixtures feature narrow optics for the longest throws.
Vivid
• Full 7-color x7 LED array
• Optimized for high-output deep pastels and strong saturated colors—an all-around
workhorse for vibrant color washes
Lustr+
• Specialized x7 LED array with 6 colors plus white
• Broad-spectrum color optimized for the best white and light tints across the entire white
and pastel range
• Beautifully illuminates skin tones and other objects—ideal for theatrical lighting
Fire and Ice
• Optimized for saturated colors at the red end (Fire) or blue end (Ice) of the spectrum
• Strongest output for high-intensity washes and theatrical environments
Studio HD
• Precise mix of warm white and cool white LEDs plus additional strategic colors for more
spectral power
• Continuously variable color temperature white light
• Extreme CRI and high-definition illumination of skin tones from 2700K to 6500K
Studio Daylight
• 5,700K nominal correlated color temperature
• 70 CRI typical
Studio Tungsten
• 3,000K nominal correlated color temperature
• 85 CRI typical
Applications
•Houses of worship •Outdoor signage
•Museums •Outdoor performance venues
•Theme parks •Public sculptures
•Commercial buildings

4D40XTI Series v1.4.0 User Manual
Compliance
The Desire D40XTI Series fixture complies with and has been tested to the following
regulatory standards:
• ETL Listed to UL 1598 USA / CSA C22.2 No. 250.0-08 Canada
• CE EN55015:2006 + A1:2007 / EN55022:2006 + A1:2007 Class B / EN61000-3-2:2006
+ A2:2009 / EN61000-3-3:2008 / EN61547:1996 + A1:2000
Document Conventions
Notices
Throughout this manual, the following are used to alert you to notes and safety notices.
Note: Notes are helpful hints and information that is supplemental to the main text.
CAUTION: A Caution statement indicates situations where there may be undefined or
unwanted consequences of an action, potential for data loss or an equipment
problem.
WARNING: A Warning statement indicates situations where damage may occur,
people may be harmed, or there are serious or dangerous consequences
of an action.
WARNING: RISK OF ELECTRIC SHOCK! This warning statement indicates situations
where there is a risk of electric shock.
Typography Used in This Guide
Menu items and commands you must perform are indicated in bold text. For example:
Using an RDM configuration tool, select Off to turn the Status Indicators off.

Introduction 5
Safety
The Desire series fixtures are intended for professional use only. Read entire User Manual
before using equipment.
WARNING: Note the following safety warnings before use:
• Do not mount the Desire D40XTI Series fixture on or near a flammable surface.
• Mount and support the fixture only by the primary suspension holes in the yoke or
mounting brackets.
• Mount the fixture from a suitable structure using only the hardware rated for the weight
of the fixture.
• In addition to primary suspension, attach a safety cable (ETC Model 400SC or other
approved safety cable or device) to the fixture housing. Appropriate attachment point
(hole) is provided in the protruding tab on the fixture housing.
• Disconnect the unit from power before all cleaning and maintenance.
• Maximum recommended ambient operating temperature: Ta=40°C (104°F)
• Maximum anticipated external surface temperature: Tmax=80°C (158°F)
• External temperature after 5 minutes of full-brightness operation and 23°C (74°F)
ambient: 38°C (100°F)
• External Temperature (steady state achieved) at 23°C (74°F): 70°C (158°F)

6D40XTI Series v1.4.0 User Manual
Contacts
If you have questions about your Desire series fixture that are not answered in this manual,
please contact the supplier of your ETC equipment or ETC Technical Services. For general
information, your most convenient resources are the references provided in this manual. To
search more widely try the ETC web site at www.etcconnect.com.
For technical questions about Desire series fixtures, contact ETC Technical Services
directly at one of the offices listed below. Emergency service is available from all ETC
offices outside of normal business hours.
Please email comments about this manual to: [e-mail]
Americas United Kingdom
Electronic Theatre Controls Inc. Electronic Theatre Controls Ltd.
Technical Services Department Technical Services Department
3031 Pleasant View Road 26-28 Victoria Industrial Estate
Middleton, WI 53562 Victoria Road,
800-775-4382 (USA, toll-free) London W3 6UU England
[phone] [phone]
[email protected] ser[email protected]m
Asia Germany
Electronic Theatre Controls Asia, Ltd. Electronic Theatre Controls GmbH
Technical Services Department Technical Services Department
Room 1801, 18/F Ohmstrasse 3
Tower 1, Phase 1 Enterprise Square 83607 Holzkirchen, Germany
9 Sheung Yuet Road [phone]
Kowloon Bay, Kowloon, Hong Kong [email protected]m
[phone]
[email protected]

Quick Start 7
Quick Start
This section will help you to quickly use the Desire D40XTI Series fixture. For complete,
detailed information and step-by-step instructions, see Operation, page 25.
Install
Step 1: Hang or mount the fixture using the provided hardware and approved hardware
accessories.
Step 2: Attach an approved safety cable when applicable.
Step 3: Install a secondary lens, if needed, with the smooth side out.
Step 4: Attach additional accessories (half shield, louver, etc.), if needed, onto the
fixture.
Focus
Step 1: Using an RDM configuration tool or RDM lighting control device, turn the fixture
on to full intensity.
Step 2: Adjust the fixture's position as needed.
Step 3: When focusing is complete, return the fixture to normal operation.
Configure
Set DMX Address
Using an RDM configuration tool or RDM lighting control device, set the address of the
fixture.

8D40XTI Series v1.4.0 User Manual
Quick Setups
Various pre-programmed combinations of operational settings are available to quickly get
you started. These settings are specifically created for different situations and are easily
accessible with an RDM configuration tool or RDM lighting control device.
Quick Setups (Vivid, Lustr+, Fire and Ice, Studio HD)
Quick Setups (Studio Daylight, Studio Tungsten)
Quick Setup Description Profile Features
General
General lighting:
All-purpose settings for most lighting
applications.
The default setup except for fixtures with
Studio LED arrays.
Direct
control
•Standard dimming curve
•Regulated output for brightness
consistency
•Individual color channels plus master
intensity control
•Allows for native color space
crossfades
•Output is NOT color-calibrated
Stage
Theatrical lighting:
Tungsten-like performance and precise
color-control.
Uses the most DMX channels of all quick
setups.
HSI
Plus 7
enabled
•Incandescent dimming curve
•Regulated output for brightness
consistency
•White point: 3200K
XT Arch
Outdoor and extreme environments:
Longevity and reliability in applications
with limited access.
High degree of output consistency and
protection against temperature swings.
HSI
•Standard dimming curve
•Protected output for high-heat
environments
•Reduced overall brightness
•White point: 3200K
High Impact
Concerts and High Impact lighting:
Enables quickest response, simple RGB
control and strobe channel for maximum
effect usage.
RGB
•Quick dimming response
•Boosted output for maximum intensity
•Reduced consistency of output
•White point: 5600K
Studio
Video or film lighting:
Enables quick, comprehensive control of
white light via DMX or RDM.
High-quality white-light output. Studio
•Linear dimming curve
•Regulated output for brightness
consistency
•Variable white point of 2950 to 6500K
•Variable green/magenta balance (tint)
The Studio Quick Setup is operational in
all fixtures for excellent white light
performance. It is the default setting for
Studio fixtures.
Quick Setup Description Control
Channels Features
Studio
Video or film:
The default setting for Studio Daylight and
Studio Tungsten fixtures.
3 –
Intensity,
Strobe
•Linear dimming curve
•Regulated output for brightness
consistency
•Strobe enabled
Stage
Theatrical lighting:
Behaves like a theatrical fixture in control
and dimming performance.
3 –
Intensity,
Strobe
•Incandescent dimming curve
•Regulated output for brightness
consistency
•Strobe enabled
Single
Channel
Architectural installations:
Most streamlined settings for applications
with limited control options.
1 – Intensity
•Standard dimming curve
•Regulated output for brightness
consistency

1Installation and DMX Profiles 9
Chapter 1
Installation and DMX Profiles
This chapter contains the following sections:
•Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
•Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
•Indicator Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
•DMX Profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
•DMX Footprints and Channel Mapping . . . . . . . . . . . . . . . . .24

10 D40XTI Series v1.4.0 User Manual
Specifications
Physical
• Rugged die-cast aluminum construction • Stainless steel mounting yoke
• Advanced thermal management systems for long LED
life
• Available in black (standard), white (optional), silver, or
custom colors (contact factory)
• Easy-to-remove trim ring for accessories • Rated IP66 for exterior use
• Ambient operating temperature
-20 to 40 °C (-4 to 104 °F)
• No-noise, fan-free convection cooling for acoustically
sensitive installations
• Continuous operation at 40 °C (104 °F) • See Fixture Weight, page 11
Electrical
• 100V to 240V 50/60 Hz universal power input • Up to 32 fixtures may be linked on one data chain
• Includes a waterproof IP66 connector • Requires power from non-dim source
• Up to 10 fixtures (15A max) may be linked
LEDs
• 40 Luxeon® Rebel™ LED emitters (Vivid, Lustr+, Fire
and Ice, Studio HD)
• 40 Luxeon® Rebel™ ES LED emitters (Studio Daylight
and Studio Tungsten)
• 50,000 hr. LED life (50,000 hours to 70% intensity) • See Note About LED Fixtures, page 13
Optical
• Tight primary field angle of 17°
(Vivid, Lustr+, Fire and Ice, Studio HD)
• Secondary lenses available for multiple beam spread
options including round, oblong, and linear patterns
• Tight primary field angle of 24°
(Studio Daylight and Studio Tungsten)
• Combine linear lenses for desired beam spread
Color
• Specialized capabilities from different LED array
options based on x7 color-mixing expertise:
– Vivid – Optimized for strong, saturated colors at
maximum brightness
– Lustr+ – x7 Color System array with a high-intensity
white LED for an ideal theatrical wash light
Full range color, with an emphasis on lighter colors
and white
– Fire and Ice – Optimized for high-intensity
saturated colors in either the warm, red end of the
spectrum (Fire) or the cool, blue end of the
spectrum (Ice)
– Studio HD — Optimized for variable color
temperature white light
• Interacts seamlessly with conventional sources
• Achieves excellent 3200° or any other Correlated Color
Temperature white light from 2000 to 10,000°K (except
Fire or Ice) (CCT adjustment not available on Studio
Daylight and Studio Tungsten)
• Beautifully illuminates skin tones and other objects
• Deeply saturated colors across an exceptionally wide
gamut

1Installation and DMX Profiles 11
Dimensions and Clearances
Use the following dimensions to allow proper clearances around the fixture. Allow additional
space for cables.
Figure-1.1 D40XTI Dimensions.
Fixture Weight
Total weight depends on how the individual fixture is configured.
Control
• DMX512-A compliant • Optional strobe channel
• DMX in via 6 foot cord • Master/slave mode
• RDM functionality for address and setting changes and
playing presets
• 15-bit virtual dimming engine for smooth, high-quality
theatrical fades
• Console-free presets and sequences via RDM device • See DMX Profile, page 20
• Multiple profile options for different levels of control
Weighta
a) Does not include mounting hardware.
Shipping Weight
Lbs.Kg.Lbs.Kg.
15 6.8 18 8.2
7.1"
180mm
5.6"
141mm
14.7"
373mm
11.6"
294mm
19.1"
486mm
4.5"
114mm
11.0"
278mm
4.1"
105mm
8.3"
211mm
13.3"
338mm
17.7"
450mm
10.7"
272mm
9.2"
234mm
8.5"
216mm

12 D40XTI Series v1.4.0 User Manual
Installation Clearances
Cooling and Duty Cycle
The Desire D40XTI Series fixture is convection cooled and can operate all channels at full
power continuously in ambient temperatures up to 40°C (104°F).
If ambient conditions exceed 40°C (104°F) or fail to allow sufficient airflow, over a long
period of time, the fixture may shut down and remain off until they return to a safe operating
temperature. The fixture provides two methods to indicate over temperature:
Visible
The LED array glows in a dull, low intensity with only some emitters illuminated and the
Error Indicator light turns on.
Dark
The LED array turns off.
CAUTION: Duty Cycle
Operating the fixture in higher ambient temperatures or low-airflow situations may
cause the power supply to shut down. Following a cool-down period, the power
supply will automatically reset and the fixture will return to operation.
It is good practice to power down any device with on-board electronics to limit
unnecessary wear on the devices and eliminate residual use of electricity. When
not in use, Desire fixtures should be powered down by disconnecting from power
at the breaker.
LED life is adversely affected by high-temperature operation. When operating under
elevated ambient temperatures, avoid turning all channels to 100% for extended periods,
such as channel checks or focusing.

1Installation and DMX Profiles 13
Typical Power Consumption
Vivid
Lustr+
Fire
Ice
Studio HD
Studio Daylight
Studio Tungsten
Note About LED Fixtures
All LED sources experience some lessening of light output and some color shift over time.
Desire Series fixtures have complex thermal management systems to minimize these
changes. With typical usage, a Desire fixture will still achieve at least 70% of its initial output
after 50,000 hours of use (B50, L70). In individual situations, LEDs will be used for different
durations and different levels. This can eventually lead to minor alterations in color
performance, necessitating slight adjustment to presets, cues, or programs.
All LEDs may exhibit a slight shift in output as they rise to full operating temperature. Desire
Series fixtures allow the selection of different power settings in order to balance the
competing requirements of thermal stability and brightness. Depending on the selected
setting, changes in output as fixtures warm up may or may not be visible to the eye.
100V 120V 240V
Idle Power / Current 10.5W / 0.135A 11W / 0.098A 12.7W / 0.078A
100% Boost Power / Current 102W / 1.12A 98W / 0.82A 95.6W / 0.403
100V 120V 240V
Idle Power / Current 10.3W / 0.125A 10.5W / 0.094A 12.2W / 0.074A
100% Boost Power / Current 104W / 1.16A 102W / 0.861 99.7 W / 0.418
100V 120V 240V
Idle Power / Current 10.5W / 0.125A 10.8W / 0.096A 12.5W / 0.076A
100% Boost Power / Current 91.2W / 1.02A 88.2W / 0.74A 87.2W / 0.369A
100V 120V 240V
Idle Power / Current 11.0W / 0.123A 11.2W / 0.099A 12.8W / 0.077A
100% Boost Power / Current 104.2W / 1.17A 102.2W / 0.867A 99.5W / 0.42A
100V 120V 240V
Idle Power / Current 11.1W / 0.134A 11W / 0.097 A 12.8W / 0.077A
100% Boost Power / Current 106.2W / 1.19A 103.5W / 0.883A 101.3W / 0.426A
100V 120V 240V
Idle Power / Current 10.6W / 0.123A 10.6W / 0.095A 12.4W / 0.076A
100% Boost Power / Current 105.1W / 1.12A 103.3W / 0.878A 100.8W / 0.424A
100V 120V 240V
Idle Power / Current 10W / 0.111A 10.1W / 0.093A 11.9W / 0.075A
100% Boost Power / Current 104W / 1.05A 103.1W / 0.872A 100.3W / 0.422A

14 D40XTI Series v1.4.0 User Manual
Color Rendering Index and Color Quality Scale Ratings
Desire fixtures are evaluated for Color Rendering Index (CRI) and Color Quality Scale
(CQS) performance using measured output spectrum and optimized mix solutions for a
best spectral match to black body sources at 3200K and 5600K. Color fidelity was also
measured. These numbers may fluctuate slightly from fixture to fixture. This is a normal
characteristic of white LEDs, and this kind of variation is highly unlikely to be apparent in
most applications. The performance is the same for all fixture versions.
Desire luminaires provide excellent color rendering, particularly the color-mixing versions.
A Duv rating of 0.000 indicates that the color mix used was exactly on the black body line,
with no green or magenta tint.
Studio Daylight and Studio Tungsten fixtures use only white-type LEDs at a fixed color
temperature in order to maximize output and efficacy.
Fixture CRI CQS Color Fidelity Duv
Vivid at 3200K 87 89 89 0.000
Vivid at 5600K 90 92 92 0.000
Lustr+ at 3200K 86 88 88 0.000
Lustr+ at 5600K 93 92 90 0.000
Studio HD at 3200K 89 90 91 0.000
Studio HD at 5600K 92 94 94 0.000
Studio Tungsten at 3000K 86 86 86 0.001
Studio Daylight at 5600K 71 70 69 0.001

1Installation and DMX Profiles 15
Installation
The Desire D40XTI Series fixtures can be mounted four ways.
• On a pipe with a C-clamp
• On a permanent base
• On a pole
• On a wall
Install on pipe or a suitable, rigid, permanent base with secured bolts. This can include
poured concrete pads, factory-supplied pole-top and wall-mount brackets, and other
attachments which meet the published weight and wind-load requirements for the fixture.
Weight: 15 pounds, exclusive of accessories and/or color filters.
Wind Load: 0.75 cubic feet of effective projected area (EPA).
Detailed installation information is packaged with the fixture. Refer to D40XTI Installation
Instructions.
WARNING: Do not use this fixture with a damaged power lead. If the power lead (cord
set) is damaged, it must be replaced. Failure to follow this warning can
result in serious injury or death.
WARNING: All third-party mounting hardware should be corrosion-resistant and
designed for use where installed.
Installation on a Pipe
The Desire D40XTI Series fixtures can be hung from a pipe using a C-clamp. The C-clamp
attaches the fixture to the mounting pipe and allows you to adjust the position of the fixture
once it is mounted.
Step 1: Tightly fasten the C-clamp to the yoke with the provided yoke bolt and lock
washer.
Step 2: Place the C-clamp on mounting pipe, then tighten the pipe bolt to secure it.
Step 3: Loosen the C-clamp pan screw and rotate the yoke to the desired position.
Step 4: Tighten the pan screw to lock the fixture.
CAUTION: Tighten the C-clamp pipe bolt to 15-20 ft./lbs. (approximately finger tight plus up to
one-quarter turn). Do not exceed 25 ft./lbs. Do not use excessive force.
Tighten the yoke pivot bolt to 5-10 ft./lbs. (approximately finger tight
plus up to one-eighth turn). Do not exceed 15 ft./lbs. Do not use
excessive force.

16 D40XTI Series v1.4.0 User Manual
Safety Cable
The safety cable (or other approved safety device) should be attached to the fixture housing
and wrapped around the hanging structure (pipe). An appropriate attachment loop is
provided on the protruding tab of the fixture housing. Take care to leave as little slack as
possible in the safety cable to avoid the cable catching the yoke of the fixture.
Figure-1.2 Safety cable loop and yoke locking knob on the fixture’s housing.
Focus Adjustment
The fixture can be tilted up and down to focus the light where it is needed. Upon powering
the fixture, Preset 1 is active so you can focus the fixture. This preset remains active until
it is changed with an RDM configuration tool or RDM lighting control device.
Adjusting the Tilt
Step 1: Loosen the yoke locking knob. Refer to Figure-1.2.
Step 2: With the fixture turned on, tilt it to the desired angle.
Step 3: Tighten the yoke locking knob.
Adjusting the Pan
The pan is adjusted at the hanging clamp or the mounting base. Consult the clamp
manufacturer’s documentation for instructions on loosening and rotating the yoke at the
clamp or refer to the appropriate installation instructions.
WARNING: The safety cable (or other approved safety device) must be securely
attached to the safety cable loop before loosening the clamp.
Safety cable
loop
Yoke locking
knob