Chauvet LED PAR 38-18UVB User manual

3000 N 29th Ct, Hollywood, FL 33020 U.S.A.
[phone] –[phone]
FAX [phone]
www.chauvetlighting.com
LED PAR 38-18UVB
User Manual
Snapshot
Use on Dimmer
Outdoor Use
Sound Activated
DMX
Master/Slave
Auto-ranging
Power Supply
Replaceable Fuse
User Serviceable
Duty Cycle

Revision 01
CHAUVET®, 2009, All Rights Reserved
Information and specifications in this User Manual are subject to change without notice. CHAUVET® assumes no
responsibility or liability for any errors or inaccuracies that may appear in this manual.
TABLE OF CONTENTS
1. BEFORE YOU BEGIN................................................................................................................................................... 3
WHAT IS INCLUDED ................................................................................................................................................................................ 3
UNPACKING INSTRUCTIONS .................................................................................................................................................................... 3
MANUAL CONVENTIONS ......................................................................................................................................................................... 3
ICONS .................................................................................................................................................................................................. 3
SAFETY INSTRUCTIONS .......................................................................................................................................................................... 4
2. INTRODUCTION ........................................................................................................................................................... 5
FEATURES ............................................................................................................................................................................................ 5
ADDITIONAL FEATURES .......................................................................................................................................................................... 5
PRODUCT DIMENSIONS .......................................................................................................................................................................... 5
PRODUCT OVERVIEW............................................................................................................................................................................. 6
3. SETUP .......................................................................................................................................................................... 7
AC POWER........................................................................................................................................................................................... 7
Power Linking........................................................................................................................................................... 7
MOUNTING............................................................................................................................................................................................ 8
Orientation................................................................................................................................................................ 8
Rigging ..................................................................................................................................................................... 8
4. OPERATING INSTRUCTIONS...................................................................................................................................... 9
CONFIGURING THE STARTING ADDRESS .................................................................................................................................................. 9
CONTROL PANEL FUNCTIONS ................................................................................................................................................................. 9
MENU MAP ......................................................................................................................................................................................... 10
DMX OPERATION................................................................................................................................................................................ 10
MASTER/SLAVE................................................................................................................................................................................... 10
STANDALONE OPERATION .................................................................................................................................................................... 11
Automatic................................................................................................................................................................ 11
Sound-Active .......................................................................................................................................................... 11
Custom Static Intensity ........................................................................................................................................... 11
Fixture Linking ........................................................................................................................................................ 12
DMX CHANNEL VALUES ...................................................................................................................................................................... 12
5. APPENDIX.................................................................................................................................................................. 13
DMX PRIMER ..................................................................................................................................................................................... 13
GENERAL MAINTENANCE...................................................................................................................................................................... 13
NEVER SPIN A FAN USING COMPRESSED AIR........................................................................................................................................... 13
FIXTURE LINKING................................................................................................................................................................................. 14
Data Cabling........................................................................................................................................................... 14
DMX Data Cable..................................................................................................................................................... 14
Cable Connectors................................................................................................................................................... 14
3-Pin to 5-Pin Conversion Chart.............................................................................................................................. 15
Setting up a DMX Serial Data Link.......................................................................................................................... 15
SETTING THE STARTING ADDRESS ........................................................................................................................................................ 16
GENERAL TROUBLESHOOTING .............................................................................................................................................................. 16
CONTACT US...................................................................................................................................................................................... 16
RETURNS PROCEDURE ........................................................................................................................................................................ 17
CLAIMS .............................................................................................................................................................................................. 17
TECHNICAL SPECIFICATIONS ................................................................................................................................................................ 18

1. Before You Begin 3 2/5/2010 5:14 PM
1. BEFORE YOU BEGIN
What is included
1 x LED PAR 38-18UVB
1 x Gel Frame
1 x Warranty Card
1 x User Manual
Unpacking Instructions
Immediately upon receiving a fixture, carefully unpack the carton, check the contents to ensure that
all parts are present, and have been received in good condition. Notify the shipper immediately and
retain packing material for inspection if any parts appear damaged from shipping or the carton itself
shows signs of mishandling. Save the carton and all packing materials. In the event that a fixture
must be returned to the factory, it is important that the fixture be returned in the original factory box
and packing.
Manual Conventions
CHAUVET manuals use the following conventions to differentiate certain types of information from
the regular text.
CONVENTION
MEANING
[10]
A DIP switch to be configured
<Menu>
A key to be pressed on the fixture’s control panel
1~512
A range of values
50/60
A set of values of which only one can be chosen
Settings
A menu option not to be modified (for example, showing the operating mode/current status)
MENU > Settings
A sequence of menu options to be followed
ON
A value to be entered or selected
Icons This manual uses the following icons to indicate information that requires special attention on the part
of the user.
ICONS
MEANING
This paragraph contains critical installation, configuration or operation information. Failure
to comply with this information may render the fixture partially or completely inoperative,
cause damage to the fixture or cause harm to the user.
This paragraph contains important installation or configuration information. Failure to
comply with this information may prevent the fixture from functioning correctly.
This paragraph reminds you of useful, although not critical, information.

1. Before You Begin 4 2/5/2010 5:14 PM
Safety Instructions
Please keep this User Manual for future consultation. If you sell the unit to another user, be sure that
they also receive this instruction booklet.
Always make sure that you are connecting to the proper voltage, and that the line voltage you are
connecting to is not higher than that stated on the decal or rear panel of the fixture.
This product is intended for indoor use only! To prevent risk of fire or shock, do not expose fixture to
rain or moisture.
Make sure there are no flammable materials close to the unit while operating.
The unit must be installed in a location with adequate ventilation, at least 20 in (50 cm) from adjacent
surfaces. Be sure that no ventilation slots are blocked.
Always disconnect from power source before servicing or replacing fuse and be sure to replace with
same fuse source.
Secure fixture to fastening device using a safety chain.
Maximum ambient temperature (Ta) is 104° F (40° C). Do not operate fixture at temperatures higher
than this.
In the event of a serious operating problem, stop using the unit immediately. Never try to repair the
unit by yourself. Repairs carried out by unskilled people can lead to damage or malfunction. Please
contact the nearest authorized technical assistance center.
Never connect the device to a dimmer pack.
Make sure the power cord is never crimped or damaged.
Never disconnect the power cord by pulling or tugging on the cord.
Never carry the fixture directly from the cord. Always use the hanging/mounting bracket.
Avoid direct eye exposure to the light source while it is on.
Please read these instructions carefully. It includes important
information about the installation, usage and maintenance of this
product.

2. Introduction 5 2/5/2010 5:14 PM
2. INTRODUCTION
Features
2-channel DMX LED black light PAR can
Manual dimming with or without DMX controller
Built-in automated programs via master/slave or DMX with variable speed
Built-in sound activated programs via master/slave or DMX
Additional Features
High-power, 1 W, 350 mA LEDs
Additional power output: max 16 units
Double-bracket yoke doubles as floor stand
Includes gel frame
Product Dimensions

2. Introduction 6 2/5/2010 5:14 PM
Product Overview
Power Output
LED Signal
Indicator
DMX In
Power Input
(Hardwired)
Power Input
(Hardwired)
Microphone
Audio
Adjustment
Knob
Fuseholder
Gel Frame
Gel Frame
Release
Bracket Adjustment
Knob
Bracket
Adjustment Knob
Attachment Bolt
(not meant to
be adjusted)
DMX Out
Light Output
Power Output
(Edison)
Hanging/mounting
(13 mm hole)
DIP switches

4. Operating Instructions 7 2/5/2010 5:14 PM
3. SETUP
AC Power This fixture runs on 100~240 VAC, 50/60 Hz. Before powering on the unit, make sure the line voltage
to which you are connecting it is within the range of accepted voltages.
Always connect the fixture to a switched circuit. Never connect the fixture to a rheostat
(variable resistor) or dimmer circuit, even if the rheostat or dimmer channel is used only as a 0
to 100% switch.
To determine the power requirements for a particular fixture, see the label affixed to the back plate of
the fixture or refer to the fixture’s specifications chart. A fixture’s listed current rating indicates its
average current draw under normal conditions.
Always connect the fixture to a circuit with a suitable electrical ground.
Power Linking
This fixture contains power linking via the edison outlet located in front of the power input cable.
Please see the diagram below for further explanation.
The maximum quantity of fixtures that may be linked is 16.
Additional power
link out

4. Operating Instructions 8 2/5/2010 5:14 PM
Do not use a tool
on the bracket
adjustment knob
Mounting
Bracket
Secondary bracket
(used primarily for
standing position)
Aim the fixture with
the gel frame
release pointing up,
(as shown in this
diagram)
The secondary
bracket will fold
out to a maximum
angle and hit the
stoppers. It will
adjust forward or
backward.
Mounting
Orientation
The LED PAR 38-18UVBmay be mounted in any safe position provided there is adequate
room for ventilation.
Rigging
Be sure that the structure can support the weight of the fixture. Please see the “Technical
Specifications” section of this manual for a detailed weight listing. Mount the fixture
securely. This may be done with a screw, nut and bolt, or a hanging clamp. The hole in
each bracket is 13 mm in size. When rigging consider routine maintenance and control
panel access. Please see the following steps for installation.
Be sure to orient the gel frame release so that it is pointing up. Please see the
diagram below for a visual reference.
If the power link out is intended to be used with multiple fixture, take into account the
length of each power cable, and mount the fixtures close enough to one another to
accommodate for this.
When aiming the fixtures, you may use the bracket adjustment knob. Loosen the
knob, adjust to the desired angle, and then tighten the knob by turning clockwise. Do
not use tools for this step, as it may cause damage.
There is a secondary portion of the bracket, which may be used primarily for floor
standing positions.
Safety cables must always be used.

4. Operating Instructions 9 2/5/2010 5:14 PM
4. OPERATING INSTRUCTIONS
Configuring the Starting Address
Each fixture requires a starting address from 1~512. A fixture requiring one or more channels for
control begins to read the data on the channel indicated by the starting address. For example, a
fixture that uses seven DMX channels and is addressed to start on DMX channel 100, will read data
from channels: 100, 101, 102, 103, 104, 105 and 106. Choose the starting addresses for each fixture
so that the channels used do not overlap. In addition, you should note the starting address selected
for future reference.
The LED PAR 38-18UVBfixture uses two DMX channels. If this is your first time using DMX, we
recommend reading the “DMX Primer” section in the “Appendix”.
Control Panel Functions
Access control panel functions using the four buttons located directly underneath the LED display on
the included wired remote.
The Control Panel shows the current state of the unit. It is used to select the operating mode, as well
as the sub-features. For a detailed layout of the control panel functions, please see the “menu map”
section on the following page.
BUTTON
FUNCTION
<MENU>
Used to scroll through the
current operating mode,
as well as back out of the
current menu option
<UP>
Used to select increasing
advancement in the value
<DOWN>
Used to select decreasing
advancement in the value
<ENTER>
Used to select a value and
store it to memory
MENU UP DOWN ENTER

4. Operating Instructions 10 2/5/2010 5:14 PM
Menu Map
MAIN FUNCTION
SUB-FUNCTION
SELECTION
SUB-SELECTION
INSTRUCTION
-
-
This is the automatic program
~
-
-
Select 2-channel DMX mode: intensity, strobe;
this also sets the DMX starting address
(~)
-
-
-
This is the sound-activated program. You may use
the sound sensitivity adjustment knob located on
the rear of the fixture to adjust the microphone
sensitivity
~
(default range is )
-
This is the speed range for the automatic program
-
~
Select a custom intensity, from low to high
DMX Operation
This is the operating mode which will allow for control with an external DMX controller. You must set the starting
address for this mode. If this is your first time using DMX, then it is recommended that you refer to the “DMX
Primer” section in the “Appendix” of this manual.
1. Press <MENU> until appears on the LED screen.
2. Press <ENTER>.
3. Using <UP> and <DOWN>, select the desired DMX address ( ~ ).
4. Press <ENTER> to confirm setting.
Master/Slave
This is the operating mode which will allow 1 fixture to act as the “master” and control all of the other “slave”
fixture(s). You must set both the master and the slave(s) fixtures to the correct mode for this operation.
Master Settings:
1. Connect the fixtures with DMX cables, as shown in the “Fixture Linking” section.
2. Use any one of the standalone modes for the master unit. This includes: , , and .
Slave Settings:
1. Press <MENU> until appears on the LED screen.
2. Press <ENTER>.
3. Using <UP> and <DOWN>, set the DMX address to .
4. Press <ENTER> to confirm setting.
It is not necessary to set the master fixture as the first fixture in the daisy chain. It may be any fixture
in the daisy chain. For example: fixture 2, 5, 10 or 12, etc.
Only 1 fixture may be set to master.
Do not connect a DMX controller to the daisy chain for this operating mode.

4. Operating Instructions 11 2/5/2010 5:14 PM
Standalone Operation
Automatic
This fixture has an automatic program. This is accessed via the control panel, and the speed may be
adjusted. Please see the instructions below for further explanation.
1. Press <MENU> until appears on the LED screen.
2. Press <ENTER> to confirm setting.
Speed Adjustment:
1. Press <MENU> until appears on the LED screen.
2. Using <UP> and <DOWN>, select the desired speed, slow to fast ( ~ ).
3. Press <ENTER> to confirm setting.
Sound-Active
This fixture has an automatic sound triggered chase. This is accessed via the control panel, and the
microphone sensitivity may be adjusted using the microphone sensitivity adjustment knob. Please see the
instructions below for further explanation.
1. Press <MENU> until appears on the LED screen.
2. Press <ENTER> to confirm settings.
3. Use the microphone adjustment sensitivity knob on the back of the fixture to adjust the microphone
sensitivity.
Custom Static Intensity
This fixture has the ability to accept custom static intensity. This is accessed via the control panel. Please
see the instructions below for further explanation.
1. Press <MENU> until appears on the LED screen.
2. Using <UP> and <DOWN>, select the desired intensity value, from lowest to highest ( ~ ). By
selecting , the output will remain off.
3. Press <ENTER> to save the final color setting.

4. Operating Instructions 12 2/5/2010 5:14 PM
Fixture Linking
In order to use this fixture in a DMX or master/slave operation, you must daisy chain, using DMX cables to link
from one fixture to another. In a master/slave operation, the DMX controller is not connected.
DMX Channel Values
CHANNEL
VALUE
FUNCTION
1
000 255
Dimmer
Intensity: 0%~100%
2
000 015
016 255
Strobe
No Function
Slow~Fast
Additional signal
link out
DMX controller
(only in DMX
operation)

5. Appendix 13 2/5/2010 5:14 PM
5. APPENDIX
DMX Primer
There are 512 channels in a DMX connection. Channels may be assigned in any manner. A fixture
capable of receiving DMX will require one or a number of sequential channels. The user must assign
a starting address on the fixture that indicates the first channel reserved in the controller. There are
many different types of DMX controllable fixtures and they all may vary in the total number of
channels required. Choosing a start address should be planned in advance. Channels should never
overlap. If they do, this will result in erratic operation of the fixtures whose starting address is set
incorrectly. You can however, control multiple fixtures of the same type using the same starting
address as long as the intended result is that of unison movement or operation. In other words, the
fixtures will be slaved together and all respond exactly the same.
DMX fixtures are designed to receive data through a serial Daisy Chain. A Daisy Chain connection is
where the DATA OUT of one fixture connects to the DATA IN of the next fixture. The order in which
the fixtures are connected is not important and has no effect on how a controller communicates to
each fixture. Use an order that provides for the easiest and most direct cabling. Connect fixtures
using shielded two conductor twisted pair cable with three pin XLR male to female connectors. The
shield connection is pin 1, while pin 2 is Data Negative (S-) and pin 3 is Data positive (S+).
General Maintenance
To maintain optimum performance and minimize wear, fixtures should be cleaned frequently. Usage
and environment are contributing factors in determining frequency. As a general rule, fixtures should
be cleaned at least twice a month. Dust build up reduces light output performance and can cause
overheating. This can lead to reduced lamp life and increased mechanical wear. Be sure to power off
fixture before conducting maintenance.
Unplug fixture from power.
Use a vacuum or air compressor and a soft brush to remove dust collected on external
vents.
Clean all glass when the fixture is cold with a mild solution of glass cleaner or Isopropyl
Alcohol and a soft lint free cotton cloth or lens tissue.
Apply solution to the cloth or tissue and drag dirt and grime to the outside of the lens.
Gently polish optical surfaces until they are free of haze and lint.
The cleaning of external optical lenses and/or mirrors must be carried out periodically to optimize light
output. Cleaning frequency depends on the environment in which the fixture operates. Damp, smoky
or particularly dirty surroundings can cause greater accumulation of dirt on the unit’s optics. Clean
with soft cloth using normal glass cleaning fluid. Clean the external optics at least every 20 days.
Clean the fixture at least every 30/60 days.
Always dry the parts carefully after cleaning them.
Never spin a fan using compressed air.

5. Appendix 14 2/5/2010 5:14 PM
Fixture Linking
You will need a serial data link to run light shows of one or more fixtures using a DMX controller or to
run synchronized shows on two or more fixtures set to a master/slave operating mode. The combined
number of channels required by all the fixtures on a serial data link determines the number of fixtures
the data link can support.
Fixtures on a serial data link must be daisy chained in one single line. To comply with the EIA-
485 standard, no more than 32 fixtures should be connected on one data link. Connecting
more than 32 fixtures on one serial data link without the use of a DMX optically-isolated
splitter may result in deterioration of the digital DMX signal.
Maximum recommended serial data link distance: 500 m (1640 ft)
Maximum recommended number of fixtures on a serial data link: 32
Data Cabling
To link fixtures together you must obtain data cables. You can purchase CHAUVET® certified DMX
cables directly from a dealer/distributor or construct your own cable. If you choose to create your own
cable please use data-grade cables that can carry a high quality signal and are less prone to
electromagnetic interference.
DMX Data Cable
Use a Belden© 9841 or equivalent cable which meets the specifications for EIA RS-485 applications.
Standard microphone cables cannot transmit DMX data reliably over long distances. The cable must
have the following characteristics:
Type: shielded, 2-conductor twisted pair
Maximum capacitance between conductors: 30 pF/ft
Maximum capacitance between conductor and shield: 55 pF/ft
Maximum resistance: 20 ohms/1000 ft
Nominal impedance: 100 ~ 140 ohms
Cable Connectors
Cabling must have a male XLR connector on one end and a female XLR connector on the other end.
Do not allow contact between the common and the fixture’s chassis ground. Grounding the
common can cause a ground loop, and your fixture may perform erratically. Test cables with
an ohm meter to verify correct polarity and to make sure the pins are not grounded or shorted
to the shield or each other.
COMMON
DMX +
DMX -
INPUT
OUTPUT
1
3
2
1
3
2
1
3
2
120 ohm ¼ W
resistor between
pin 2 (DMX -) and
pin 3 (DMX +) on
the output of the
last fixture
To avoid signal transmission problems
and interference, it is always advisable to
connect a DMX signal terminator.
DMX connector configuration

5. Appendix 15 2/5/2010 5:14 PM
This drawing
provides a general
illustration of the
DMX input/output
panel of a lighting
fixture.
Universal DMX Controller
Continue the link
3-Pin to 5-Pin Conversion Chart
If you use a controller with a 5-pin DMX output connector, you will need to use a 5-pin to 3-pin
adapter. The chart below details a proper cable conversion:
3-PIN TO 5-PIN CONVERSION CHART
Conductor
3-Pin Female (Output)
5-Pin Male (Input)
Ground/Shield
Pin 1
Pin 1
Data ( - ) signal
Pin 2
Pin 2
Data ( + ) signal
Pin 3
Pin 3
Not used
Pin 4
Not used
Pin 5
Setting up a DMX Serial Data Link
1. Connect the (male) 3-pin connector side of
the DMX cable to the output (female) 3-pin
connector of the controller.
2. Connect the end of the cable coming from
the controller which will have a (female)
3-pin connector to the input connector of
the next fixture consisting of a (male) 3-pin
connector.
3. Then, proceed to connect from the output
as stated above to the input of the following
fixture and so on.

5. Appendix 16 2/5/2010 5:14 PM
Setting the Starting Address
This DMX mode enables the use of a universal DMX controller device. Each fixture requires a start address
from 1~512. A fixture requiring one or more channels for control begins to read the data on the channel
indicated by the start address. For example, a fixture that uses six DMX channels and was addressed to start
on DMX channel 100, would read data from channels: 100, 101, 102, 103, 104, and 105. Choose start
addresses so that the channels used do not overlap, and note the start address selected for future reference.
If this is your first time addressing a fixture using the DMX control protocol, we suggest jumping to the
“Appendix” section and reading the heading “DMX Primer”. It contains very useful information that will help you
understand its use.
General Troubleshooting
SYMPTOM
POSSIBLE CAUSE(S)
POSSIBLE ACTION(S)
Breaker/Fuse
keeps blowing
Excessive circuit load
Check total load placed on the electrical circuit.
Short circuit along the power
wires
Check for a short in the electrical wiring (internal and/or
external).
Device does not
power up
No power
Check for power on Mains.
Loose power cord
Check power cord
Fixture is not
responding to
DMX
Wrong DMX addressing
Check Control Panel and unit addressing
Damaged DMX cables
Check DMX cables
Wrong polarity settings on the
controller
Check polarity switch settings on the controller
Loose DMX cables
Check cable connections
Faulty DMX interface
Replace DMX input
Faulty Main PCB
Replace Main PCB
Loss of signal
Non DMX cables
Use only DMX compatible cables
Bouncing signals
Install terminator as suggested.
Long cable / Low level signal
Install amplifier right after fixture with strong signal.
Too many fixtures
Install an optically coupled DMX splitter after unit #32.
Interference from AC wires
Keep DMX cables separated from power cables or
black lights.
If you still have a problem after trying the above solutions, please contact CHAUVET®
Technical Support.
Contact Us
World Wide General Information CHAUVET®
3000 North 29th Court
Hollywood, FL 33020
voice: 954.929.1115
fax: [phone]
toll free: 800.762.1084
Technical Support CHAUVET®
3000 North 29th Court
Hollywood, FL 33020
voice: 954.929.1115 (Press 4)
fax: [phone] (Attention: Service)
World Wide Web www.chauvetlighting.com

5. Appendix 17 2/5/2010 5:14 PM
Returns Procedure
Returned merchandise must be sent prepaid and in the original packing; call tags will not be issued.
Package must be clearly labeled with a Return Merchandize Authorization Number (RMA #).
Products returned without the RMA # will be refused. Call CHAUVET® and request an RMA # prior to
shipping the fixture. Be prepared to provide the model number, serial number and a brief description
of the cause for the return. Be sure to pack fixture properly; any shipping damage resulting from
inadequate packaging is the customer’s responsibility. As a suggestion, proper UPS packing or
double-boxing is always a safe method to use.
CHAUVET® reserves the right to use its own discretion to repair or replace product(s).
If you are given an RMA #, please include the following information on a piece of paper inside
the box:
1) Your name
2) Your address
3) Your phone number
4) The RMA #
5) A brief description of the symptoms
Claims Damage incurred in shipping is the responsibility of the shipper; therefore, the damage must be
reported to the carrier upon receipt of merchandise. It is the customer's responsibility to notify and
submit claims with the shipper in the event that a fixture is damaged due to shipping. Any other claim
for items such as missing component/part, damage not related to shipping, and concealed damage,
must be made within seven (7) days of receiving merchandise.

Technical Specifications 18 2/5/2010 5:14 PM
Technical Specifications
WEIGHT & DIMENSIONS
Length..........................................................................................................................9.3 in (235 mm)
Width............................................................................................................................8.8 in (223 mm)
Height ........................................................................................................................13.3 in (337 mm)
Weight........................................................................................................................... 4.2 lbs (1.9 kg)
POWER
Auto-ranging Power Supply.............................................................................100~240 VAC, 50/60 Hz
Power Consumption @ 120 VAC, 60 Hz...............................................24 W (0.4 A) max, 0.2 A inrush
Power Consumption @ 230 VAC, 50 Hz...............................................29 W (0.2 A) max, 0.2 A inrush
Power output.....................................................................................................................16 units max
Fuse..................................................................................................................................T 1 A, 250 V
LIGHT SOURCE
LED...........................................................................................................18 1 W, 350 mA, 50,000 hrs
PHOTO OPTIC
Coverage Angle ..............................................................................................................................23°
THERMAL
Maximum ambient temperature......................................................................................104° F (40° C)
ORDERING INFORMATION
LED PAR 38-18UVB (Black) ................................................................................... LEDPAR3818UVB
WARRANTY INFORMATION
Warranty...........................................................................................................2-year limited warranty