Chauvet Home Safety Product DMX 750 User Manual
T E C H N I C A L R E F E R E N C E & M A N U A L  
DMX MEGA STROBE  
DMX-750  
CHAUVET  
3000 North 29th Ct.  
Hollywood, FL 33020 USA  
Tel: 954-929-1115 Fax: 954-929-5560  
www.CHAUVETlighting.com  
 
Warranty Information  
We take great pride in the quality, value and performance of our products and believe that it should offer  
you trouble free operation throughout its lifetime providing you take care to follow the simple instructions  
in this manual.  
LIMITED WARRANTY  
a) CHAUVET provides, from the date of purchase, to the original purchaser, a 24-month limited warranty on all DMX products, a  
12-month limited warranty on special effect fixtures and controllers and a 3-month limited warranty on items with an “NV”  
prefix. This limited warranty covers manufacturing defects in material and workmanship only. At the time of service, the owner  
will need to be able to provide evidence of date and place of purchase and serial number.  
b) CHAUVET does not cover damage or failure caused by abuse, misuse, faulty installation, improper maintenance, or any  
repairs not carried out by CHAUVET.  
c) Items which are not covered by warranty are those considered as parts which are prone to failure due to general wear and  
tear. For example – lamps, fuses, brushes and belts. Laser diodes carry a (90day) warranty. For foggers, see user manual.  
d) There will be no obligations or liability on the part of CHAUVET for consequential damages arising from the use of the product  
or any indirect damages with respect to loss of property, revenue, or costs for removal, installation, or re-installation.  
e) For warranty service the product must be reported to CHAUVET to receive a unique RA# (returns authorization number) and at  
that time you will be advised of where to send the faulty product.  
f)  
All shipping charges for returns should be pre-paid. If the requested repairs or service are within the terms of this warranty then  
the item will be returned to you on completion without any charge. The unit must be in its original packaging with any original  
accessories. CHAUVET will not be responsible or accept any liabilities for any loss or damage to additional items which are  
sent with returned product.  
g) If this product is not covered under the terms of this warranty, CHAUVET will advise you of the costs to carry out any repairs  
necessary and the unit will be shipped to you on receipt of payment for the work including the return freight charges.  
h) Please allow 2 to 4 weeks for return of your product. Under normal circumstances we try to ensure we carry out warranty  
repairs within 5 working days. We cannot be held responsible for delays in shipping.  
Title  
First Name  
Initials  
Last Name  
Address  
City  
Apt.  
State  
Or Province  
Country  
e-mail  
Zip Code  
Or Postal Code  
Date of Birth  
Telephone # (include area code)  
Purchase Price  
Date of Purchase  
Dealer  
(before tax)  
Model  
Serial #  
Country  
City  
CHAUVET U.S.A.  
Warranty Registration  
3000 North 29th Ct.  
To return via fax:  
954-929-5560  
To return via mail: Hollywood, FL 33020 U.S.A.  
DMX-750 Manual Version 1.1  
 
3
 
I N T R O D U C T I O N  
Introduction  
Product Overview  
Thank you for purchasing the “DMX Mega Strobe” Model Number DMX-750. It is a very powerful and  
high output xenon strobe with enhanced features. It can operate in a sound to light mode and using any  
universal DMX control device. Enhanced operational manual controls using dip switches provide for both  
controls of intensity as well as a flash rate. An on-board thermal and circuit protection ensures safe operation  
for many years to come.  
Yoke  
DMX-OUT 3-Pin  
XLR female  
socket used to  
send data signal.  
6
7
1
1
2 3 4 5 6 7 8 910  
4
5
3
2
DMX-IN 3-Pin  
XLR male socket  
used to receive  
data signal.  
Power Input:  
AC 115V or 230V  
Dip switches for  
DMX addressing  
and other mode  
operations  
DMX LED  
indicator  
20 Amp magnetic  
circuit breaker  
protection  
Power LED  
indicator  
DMX-750 Manual Version 1.1  
4
 
   
I N T R O D U C T I O N  
Technical Specifications  
Power  
16 Amps at 230V or  
20 Amps at 115V  
Fan cooled  
Built-in thermal sensor protection  
Includes 20A magnetic circuit breaker  
750 Watt Xenon Strobe  
Lamp  
CHAUVET Model No. CH750B  
Dimensions  
Shipping  
12.6 in x 8.15 in x 5.35 in  
10.14 Lbs  
Master Packed 4pcs/42 Lbs  
DMX-512 via XLR 3-Pin Connectors, IN & OUT  
Operates on 2 Channels of DMX  
Blinder (Rapid Flash) Lightning Effect  
Dimmer variable 0-100%  
Control  
Features  
10 million flash life-cycle  
Built in stand-alone operation  
a) beat activated  
b) adjust speed via dipswitches  
c) adjustable output 0-100% via dipswitches  
Programmable using any universal DMX controller.  
2 Year Limited Warranty  
Warranty  
What is enclosed?  
ƒ Manual / Warranty Card  
ƒ DMX-750 Mega Strobe  
ƒ Lamp (CH750B) Installed  
ƒ Power cord with plug (affixed to device)  
ƒ Mounting bracket with knobs  
DMX-750 Manual Version 1.1  
5
 
   
I N T R O D U C T I O N  
Before you Begin  
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.  
Installation  
This fixture may be mounted in any position provided there is adequate room for ventilation. It is important  
never to obstruct the fan or vents pathway. Mount the fixture using, preferably the center mounting holes and  
a suitable “C” or “O” type clamp. Adjust the angle of the fixture by loosening both knobs and tilting the  
fixture. After finding the desired position, retighten both knobs. When selecting installation location, take into  
consideration lamp replacement access and routine maintenance. Safety cables should always be used. Never  
mount in places where the fixture will be exposed to rain, high humidity, extreme temperature changes or  
restricted ventilation.  
Powering  
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 is its average current draw  
under normal conditions. All fixtures must be powered directly off a switched circuit and cannot be run off a  
rheostat (variable resistor) or dimmer circuit, even if the rheostat or dimmer channel is used solely for a 0% to  
100% switch. Before applying power to a fixture, check that the source voltage matches the fixture’s  
requirement. All fixtures must be connected to circuits with a suitable Earth Ground. Check the fixture or  
device carefully to make sure that if a voltage selection switch exists that it is set to the correct line voltage you  
will use.  
DMX-750 Manual Version 1.1  
6
 
       
I N T R O D U C T I O N  
Warnings  
1. This product is intended for indoor use only!  
2. Keep out of the reach of children!  
3. Make sure power cord is never crimped or damaged.  
4. Never disconnect power cord by pulling or tugging on the cord.  
5. 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 decal or rear panel of the fixture.  
6. Do not disassemble this electrical product; there are no user serviceable parts inside.  
7. Always disconnect from power source before servicing or replacing lamp or fuse and be sure to  
replace with same lamp source.  
8. To prevent risk of fire or shock, do not expose fixture to rain or moisture.  
9. Avoid direct eye exposure. Gas discharge lamps generate UV radiation. Never operate the lamp  
without appropriate protection as it could damage skin and eyes. These lamps operate at high  
pressures and there is always a slight risk of tube rupture. The risk of rupture increases with age,  
temperature and improper handling of the lamp. These lamps also generate UV radiation. The  
UV radiation that is emitted extends well below 287nm, which is considered the point at which  
the UV radiation becomes imminently harmful. Exposure to this short wave UV should be  
limited. If aligning a lamp, care must be taken to reduce the exposure time to the lamp. Never  
look directly at any lamp while it is powered on. Read the booklet that accompanies each lamp  
and heed attention to the warnings concerning exposure to skin and eyes. Use appropriate eye  
protection to block all UV rays. Do not use ordinary sunglasses.  
DMX-750 Manual Version 1.1  
7
 
 
O P E R A T I N G I N S T R U C T I O N S  
Operating Instructions  
General  
The DMX-750 is a 750 watt high output xenon strobe light that can be remotely operated using any universal  
DMX 512 controller. It is well suited for large rooms and can be daisy chained with additional DMX-750  
strobes. You can vary the flash rate, intensity and trigger a preset lightning type effect commonly called “hyper-  
flash” or “Blinder effect”.  
DMX Primer  
There are 512 channels in a DMX-512 connection. Channels may be assigned in any manner. A fixture  
capable of receiving DMX 512 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+). CHAUVET carries 3-pin XLR DMX compliant cables,  
DMX-10 (33’), DMX-4.5 (15’) and DMX-1.5 (5’)  
DMX Control Mode  
This mode enables the use of a universal DMX controller device. Each fixture requires a "start address" from  
1 to 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 occupies or uses 6 channels of DMX 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 notate the start address selected for future reference.  
Set the start address using the group of DIP switches located usually on the exterior of the fixture. Each dip  
switch has an associated value. Adding the value of each switch in the ON position will provide the start  
address. Determining which switches to toggle ON given a specific start address can be accomplished in the  
following manner. By subtracting the largest switch value possible from the selected start address which does  
not cause a negative number.  
DMX-750 Manual Version 1.1  
8
 
       
O P E R A T I N G I N S T R U C T I O N S  
Example 1:  
Starting address (233)  
SWITCH  
illustrated.  
1
2
3
4
5
6
7
8
9
10  
OFF  
ON  
DMX  
VALUE  
(1)  
(4)  
(16)  
(64)  
(256)  
(128)  
(2)  
(8)  
(32)  
Dip Switch (DMX Value)  
Example 2:  
Resolving starting address (233)  
using simple math.  
233 – (128) = 105, Turn ON Dip # 8  
105 – (64) = 41, Turn ON Dip # 7  
41 – (32) = 9, Turn ON Dip # 6  
9 – (8) = 1, Turn ON Dip # 4  
1 – (1) = 0, Turn ON Dip # 1  
1
1
2
2
3
4
4
8
5
16  
6
32  
7
8
64  
128  
Turn ON Dip # 10 to activate DMX Mode  
9
10  
256  
ON = Activate  
DMX Control  
You will most likely use the first available  
address. This number was selected for example  
purposes.  
Self-Test Mode  
With Dip Switch # 10 set to the OFF position the following assignments will result in the playback of pre-  
programmed test patterns.  
MANUAL  
AUTO  
Dip Switch  
9
Function  
ON  
Dip Switch  
Function  
OFF  
9
1 – 4  
5 – 8  
SPEED  
INTENSITY  
1 – 8  
RANDOM  
Enhanced Settings for Test Mode  
Level  
Dip Switches 1 – 4  
Speed  
Level  
Dip Switches 5 -8  
Intensity  
Reflects ON  
Reflects ON  
position all others  
position all others  
OFF  
OFF  
1
2
3
4
5
6
7
8
-
1
2
1, 2  
3
1, 4  
2, 3  
1, 2, 3  
Slowest  
To  
1
2
3
4
5
6
7
8
-
5
6
5, 7  
7
5, 8  
6, 7  
5, 6, 7  
Bright  
To  
Fastest  
Brightest  
Table continued on next page.  
DMX-750 Manual Version 1.1  
9
 
 
O P E R A T I N G I N S T R U C T I O N S  
Continuation from previous table.  
Level  
Dip Switches 1 – 4  
Speed  
Level  
Dip Switches 5 -8  
Intensity  
Reflects ON  
Reflects ON  
position all others  
position all others  
OFF  
OFF  
9
4
1, 2  
1, 4  
1, 2, 4  
3, 4  
1, 3, 4  
2, 3, 4  
1, 2, 3, 4  
Slowest  
To  
9
8
5, 6  
5, 8  
5, 6, 8  
7, 8  
5, 7, 8  
6, 7, 8  
5, 6, 7, 8  
Bright  
To  
10  
11  
12  
13  
14  
15  
16  
10  
11  
12  
13  
14  
15  
16  
Fastest  
Brightest  
Automatic Sound-to-Light Mode  
This mode enables the fixture to move or dance to the sound of the music, independent of controller.  
Dip Switch  
1 – 8  
Function  
ON  
9 – 10  
OFF  
DMX Channel Attributes  
Channel  
Value  
Function  
Strobing, (Flash) Rate  
Sound to Light auto mode  
Intensity, (Dimmer)  
Type of Control  
Proportional  
1
2
0 – 254  
255  
0 – 255  
Proportional  
Hyper-flash Effect (Blinder Mode)  
1
2
43 - 254  
0
Blinder effect  
Required for Blinder effect or Audio  
Mode  
Proportional  
Step  
Sound to Light (Audio Mode)  
1
2
255  
0
Flash automatically to sound  
Required for audio mode  
Step  
Step  
DMX-750 Manual Version 1.1  
10  
 
   
A P P E N D I X  
Appendix  
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 and internal components. 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. Do not to touch the lamp glass when cleaning fixture. Oil and dirt can cause damage and  
premature aging of the lamp. In the event that the lamp is touched or becomes dirty, clean the lamps with an  
alcohol wipe.  
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 Merchandise Authorization Number (RA #). Products returned without  
an RA # will be refused. Call CHAUVET and request RA # 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  
properly pack fixture, any shipping damage resulting from inadequate packaging is the customer’s  
responsibility. CHAUVET reserves the right to use its own discretion to repair or replace product(s). As a  
suggestion, proper UPS packing or double-boxing is always a safe method to use.  
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.  
DMX-750 Manual Version 1.1  
11  
 
       
G E N E R A L T R O U B L E S H O O T I N G  
General Troubleshooting  
Applies to  
Foggers  
Dimmers  
& Chaser  
Symptom  
Solution(s)  
Lights  
& Snow  
Controllers  
Auto shut off  
Check fan thermal switch reset  
9
Beam is very dim or not bright  
Clean optical system or replace lamp  
Check 220/110v switch for proper setting  
9
Breaker/Fuse keeps blowing  
Chase is too slow  
Check total load placed on device  
9
9
Check users manual for speed adjustment  
9
9
9
9
Device has no power  
Check for power on Mains.  
Check device’s fuse. (internal and/or external)  
9
Fixture is on but there is no  
movement to the audio  
Make sure you have the correct audio mode on the  
control switches. If audio provided via ¼” jack, make  
sure a live audio signal exists  
9
9
9
Adjust sound sensitivity knob  
Fluid indicator not working  
The filter tip on the end of the tube inserted into the  
fluid container must float freely in order to measure  
correctly, check to see if perhaps it is stuck  
9
9
Fogger or Snow output has  
dropped  
Clean with distilled water and vinegar  
Replace hose  
Lamps cuts off sporadically  
Possible bad lamp or fixture is overheating.  
Lamp may be at end of its life.  
9
9
Light will not come on after  
power failure  
Some discharge lamps require a cooling off period  
before the electronics in the fixture can kick start it  
again, wait 5 to 10 minutes before powering up  
Loss of signal  
Use only DMX cables  
Install terminator  
9
9
9
9
9
9
9
Motor movements are jerky or  
jumpy  
Possible bad motor driver or sensors  
Check polarity switch on controller  
Moves slow  
No flash  
No fog  
Check 220/110v switch for proper setting  
Re-install bulb, may have shifted in shipping  
9
9
Check fluid tank if empty  
Make sure green light is on (for power)  
No laser output  
No light output  
Bounce mirror motor may have shifted during  
shipping, readjust  
9
9
Check slip ring & brushes for contact  
Install bulb  
Call service technician  
Relay will not work  
Check reset switch  
Check cable connections  
9
Remote does not work  
Stand alone mode  
Make sure connector is firmly connected to device  
9
9
9
All Chauvet lighting fixtures featuring stand-alone  
functions do not require additional settings, simply  
power the fixture and it will automatically enter into  
this mode  
Unit wobbles when rotating  
Check for damages possibly incurred during  
shipping  
9
DMX-750 Manual Version 1.1  
12  
 
 

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