German Light Products JDC1 Strobe Users Manual
User Manual
Software Version 1.70-68-18
GLP® J
DC1 User Manual – Revision 3.0
This manual covers fixture software version 1.70-68-18
© 2017-2018 German Light Products GmbH. All rights reserved.
The marks ‘GLP’ and ‘German Light Products’ are trademarks registered as the property of German
Light Products GmbH in Germany, in the United States of America and in other countries.
The information contained in this document is subject to change without notice. German Light
Products GmbH and all affiliated companies disclaim liability for any injury, damage, direct or
indirect loss, consequential or economic loss or any other loss occasioned by the use of, inability to
use or reliance on the information contained in this document.
Head office:
German Light Products GmbH (GLP), Industriestrasse 2, 76307 Karlsbad, Germany
Tel (Germany): +49 7248 92719 - 0
Service & Support EMEA:
GLP, Industriestrasse 2, 76307 Karlsbad, Germany
Tel. (Germany): +49 7248 9271955
Email: support@glp.de
www.glp.de
Service & Support USA:
GLP USA, 1145 Arroyo St., Ste. A, 91340 San Fernando, California
Tel (USA): +1 818 767 8899
Support (US): info@germanlightproducts.com
www.germanlightproducts.com
Table of Contents
1. Safety ..................................................................................................... 5
Key to symbols ................................................................................. 5
General safety information ........................................................... 5
Electrical safety ............................................................................... 6
Fire safety and protection from burns ......................................... 7
Eye safety ......................................................................................... 7
Strobe safety .................................................................................... 8
Installation safety and protection from personal injury ............ 8
2. Avoiding damage ............................................................................. 10
Transportation and storage ........................................................ 10
3. Product overview .............................................................................. 11
4. Feature s ............................................................................................... 12
Beam ............................................................................................... 12
Color Plates .................................................................................... 12
DMX control modes ...................................................................... 12
Pixel grouping ................................................................................ 14
Pixel Orientation ............................................................................ 15
Tilt ..................................................................................................... 16
Barndoor tilt operation ................................................................. 16
Auto-Bl ack out ................................................................................ 16
Custom settings and factory defaults ....................................... 17
Dimming curves ............................................................................ 17
Behavior when a DMX signal is lost ............................................ 17
PWM frequency ............................................................................ 17
Effect offsets .................................................................................. 17
Flash control modes ..................................................................... 17
Dimmer flash control mode ........................................................ 18
FX ..................................................................................................... 18
Plate color priority ......................................................................... 19
Display ............................................................................................. 20
Cooling modes .............................................................................. 20
Fixture information ........................................................................ 20
Manual control .............................................................................. 20
Test sequences .............................................................................. 20
Service menu ................................................................................. 20
Clamp attachment ...................................................................... 20
5. Preparation for use ............................................................................ 21
Included items ............................................................................... 21
Mounting ........................................................................................ 21
Mounting upright on a level surface ......................................... 22
Suspension or horizontal/angled truss mounting ..................... 22
Securing with a safety cable ...................................................... 23
Connecting to power .................................................................. 23
Installing power connectors ........................................................ 24
Main fuse ........................................................................................ 24
Connecting to a DMX control data link ................................... 25
Starting and stopping operation ................................................ 25
Transportation and Storage ........................................................ 25
6. Control menus and LCD display ..................................................... 26
7. Control menu layout ......................................................................... 28
8. DMX channels .................................................................................... 32
DMX Mode 1 (Compressed Pro), 14 DMX Channels .............. 33
DMX Mode 2 (Normal), 23 DMX Channels ............................... 38
DMX Mode 3 (Single Pixel), 68 DMX Channels ......................... 43
DMX Mode 4 (Single Pixel Pro), 62 DMX Channels .................. 49
DMX Mode 5 (Grouped Pixel Pro), 17 DMX Channels ............ 55
9. Plate FX patterns ................................................................................ 60
10. Beam FX patterns ............................................................................ 65
11. Cleaning and maintenance ......................................................... 68
Suggested maintenance intervals ............................................. 68
Cleani ng ......................................................................................... 68
GLP Service and Support............................................................. 68
12. Technical Specifications ................................................................ 69
Strobe panel LEDs ......................................................................... 69
Strobe tube LEDs ........................................................................... 69
Movement...................................................................................... 69
Connectors .................................................................................... 69
Operating conditions ................................................................... 69
Shipping options ............................................................................ 69
Dimensions and weight ............................................................... 69
13. Dimensi ons ........................................................................................ 70
German Light Products®
1. Safety
Key to symbols
The following symbols are used in this manual:
Warning! Safety hazard.
Risk of severe injury or
death.
Warning! See user
manual for important
safety information.
Warning! Risk of eye
injury.
Warning! Fire hazard.
Warning! Hazardous voltage.
Risk of lethal or severe
electric shock.
General safety information
Read this section carefully before installing or using the product. If you have any
doubts or questions about how to use the product safely, contact your GLP® supplier
for assistance. Your GLP supplier will be happy to help. If necessary, contact an
authorized GLP distributor (see list of distributors at www.glp.de).
The JDC1 and this user manual are intended for use by experienced professionals with
the knowledge and skills to set up, operate, and maintain high-powered, remotely
controlled lighting equipment safely and efficiently. These operations require expertise
that may not be provided in this manual.
• Respect all warnings and directions given in this user manual and on the product.
Read this manual and familiarize yourself with the safety precautions it contains
before installing or using the product. The manufacturer will take no responsibility for
damages or harm resulting from disregard for the information in this manual.
• Check the GLP website at www.glp.de and make sure that you have the latest
version of this user manual. Check also that the software version indicated on page
2 of the user manual matches the version installed in the product. You can
download the correct version of this user manual if necessary.
• Make the user manual available to all installers and operators and save the manual
for future reference.
• Use the product only as directed in this user manual. Observe all markings in this user
manual and on the product.
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• Refer any service operation not described in this manual and refer all repairs to a
technician authorized by GLP.
• The light source in this product may not be changed by the end user.
• Read and follow the user documentation for all additional equipment.
Electrical safety
• Do not allow the product to come into contact with water or moisture.
• Use only a source of AC mains power that complies with local building and
electrical codes and has both overload and ground fault (earth fault) protection.
• Ensure that the product is electrically connected to ground (earth).
• Disconnect the product from AC mains power before carrying out any installation or
maintenance work and when the product is not in use.
• Disconnect the product from power immediately if the power plug or any seal,
cover, cable, or other component is damaged, defective, deformed, wet or
showing signs of overheating. Do not reapply power until the product has been
repaired and made safe by a technician authorized by GLP.
• Before using the product, check that all power distribution equipment and cables
are in perfect condition and rated for the electrical requirements of all connected
devices.
• Use only Neutrik PowerCON TRUE1 cable connectors for AC mains power input at
the product’s power connector.
2
• Use minimum 14 AWG or 1.5 mm
power input and relay cables that are minimum
16 A rated and temperature-rated to suit the application. In the USA and Canada
the cables must be UL-listed, type SJT or equivalent. In the EU the cables must be
type H05VV-F or equivalent.
• The supplied power input cable is rated as follows:
- US power cable: 16 A, 14 AWG, UL listed, E304117, SJT, 4.9 ft.
- EU power cable: 16 A, 1.5 mm², H05VV-F, 1.5 m
• If a fuse blows, replace it with one of the original type and rating only. If new fuses
blow, disconnect the product from power and send it to a technician authorized by
GLP for repair.
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Fire safety and protection from burns
• Do not operate the product if the ambient temperature (Ta) exceeds 45° C (115° F).
• The surface of the product’s casing can reach up to 160° C (320° F) during
operation. Avoid contact by persons and materials. Do not install the product in a
location where there is a risk of accidental contact. Allow the product to cool for at
least 20 minutes before handling
• Keep the product well away from flammable materials.
• Keep all combustible materials (e.g. fabric, wood, paper) at least 1 m (3.3 ft.) away
from the head.
• Ensure that there is free and unobstructed airflow around the product. Provide a
minimum clearance of 100 mm (4 in.) around fans and air vents.
• Do not illuminate surfaces within 1 m (3.3 ft.) of the product. The light output from
the product is powerful enough to cause burns or fire in illuminated objects at close
range.
• Do not install a fuse that has a higher rating than the one originally installed in the
product. Do not bypass fuses.
• Do not stick filters, masks or other materials onto the front glass. Do not block the
light output in any way. The front glass becomes extremely hot during operation and
can melt or ignite objects that are in contact with the surface. Ensure that the front
glass Is clean and unobstructed at all times in order to prevent a fire hazard and
damage to the product.
• The product’s optical components can focus the sun’s rays, creating a risk of fire
and damage. Do not expose the front of the product to sunlight or any other
intense light source, even from an angle.
Eye safety
• The JDC1 is classified as a Risk Group 3 lighting fixture according to EN 62471.
Possibly hazardous radiation emitted. Do not stare into the light output from the
product. May be harmful to the eyes.
• Do not look at the product’s light output with optical instruments or any device that
may concentrate the light output.
• Make sure that persons near to or working on the product are not looking directly
into the light output when the product lights up suddenly. This can happen when
power is applied, when the product receives a DMX signal, or when certain control
menu items are selected.
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• The warning below is printed on the product. If the warning becomes impossible to
read, replace it with a label reproduced from this illustration:
• Provide well-lit conditions to reduce the pupil diameter of anyone working on or
near the product.
Strobe safety
• Flashing light, particularly at 5 - 30 Hz, may cause seizures in persons with
photosensitive epilepsy. Do not use strobe effects for extended periods.
• Comply with local regulations on the use of strobe lighting and notify the public in
advance with highly visible warning signs when strobe effects are used.
• If a seizure occurs, stop using strobe effects. Seek professional medical help. Note
the time that the seizure starts and finishes. Call emergency medical help urgently if
the seizure lasts more than five minutes, if it is the person’s first seizure, or if the person
is injured. While waiting for help to arrive, consider the following general advice for
caring for a person who is having a seizure: Protect the affected person from injuring
themselves on hard or sharp objects. If necessary, move the person to a safe place.
Lay them on their side with their head supported to prevent it from hitting the floor.
Loosen any tight clothing around their neck. Do not use force to hold the person or
restrict their movements. Do not put anything in their mouth, including your fingers.
Installation safety and protection from personal injury
• Installation must be performed by qualified personnel only and carried out in
accordance with applicable regulations such as DIN VDE 0711-217.
• The product is not portable when installed.
• Ensure that the supporting structure and installation hardware used can hold at least
10 times the weight of the load that they support.
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• Suspend the product with hardware specifically designed and rated for the
purpose. Check that the hardware is in perfect condition. Fasteners must be steel
grade 8.8 strength or better. Rigging clamps must be half-coupler type that
completely encircle the rigging truss chord.
• Screws or bolts used for mounting hardware must protrude minimum 9 mm / 0.36 in.
and maximum 11 mm / 0.43 ins. into the threaded holes in the base of the fixture.
• If the product is installed in a location where it may cause injury or damage if it falls,
install as directed in this manual a safety cable or similar secondary attachment that
will hold the product if a primary attachment fails. The secondary attachment must
be approved by an official body such as TÜV as a safety attachment for the weight
that it secures, it must comply with EN 60598-2-17 Section 17.6.6, and it must be able
to support a static suspended load that is ten times the weight that it secures.
• Fasten the product to a structure or surface as directed in this user manual. Do not
use safety cables as the primary means of support.
• Before applying power to the product, ensure that the head can move through its
full range without risk of collision.
• Check that all covers and items of rigging hardware are secure before using the
product.
• Do not operate the product with missing or damaged covers, shields or any optical
component.
• Restrict access below the work area and work from a stable platform whenever
installing, servicing or moving the product.
• If the product becomes damaged, stop using it immediately and disconnect it from
power. Do not attempt to use a product that is obviously damaged.
• Do not modify the product in any way not described in this user manual.
• Install genuine GLP parts only.
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2. Avoiding damage
Do not point the front of the fixture towards the sun or other strong light sources. Strong
light can cause internal damage to the fixture, melting components or starting an
internal fire within seconds.
Figure 1. Avoiding damage from light sources
Damage can occur whether the fixture is powered on or off. See Figure 1. Damage
can also occur if the light hits the front of the fixture at an angle: the fixture does not
need to be pointing directly at the sun or other light source.
To avoid problems from strong light sources:
• Do not expose the front of the fixture to sunlight or any other strong light source.
• For outdoor applications during daylight, make sure that the front face of the fixture
is shielded or points away from the sun, even when not in use.
• Avoid pointing other high-powered beam lights directly at the fixture.
Do not pick up or carry the fixture by the head. The LCD display is also fragile. Picking
up or supporting the fixture in these spots could result in damage that is not covered by
the warranty.
Use only original spare parts. Do not make any structural modifications to the fixture or
you will void the product warranty.
Clean optical components only as directed. Oils, solvents, and other chemicals
commonly used for cleaning can damage the lens coatings and surfaces.
Do not drop the fixture or expose it to mechanical stress.
Do not expose the fixture to heat (from other lighting fixtures for example).
Transportation and storage
Transport the fixture either in a flightcase or in its original packaging to protect it from
damage caused by shocks during transportation.
Store the fixture in a dry location when not in use.
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3. Product overview
1 2
9
8
7
56
Figure 2. Product overview
1 – Fuseholder
2 – Head
3 – Alignment pin lever
4 – Alignment pins
5 – DMX thru (out)
6 – Control panel
3
4
7 – AC mains power in (Neutrik powerCON TRUE1)
8 – DMX in
9 –Tilt lock lever
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4. Features
The impression JDC1 from GLP represents a whole new class of moving head
combined strobe/color effect lighting fixture. It delivers unprecedented levels of bright,
cool white light output combined with a full-face color wash panel that uses 1320 highquality RGB LEDs. The strobe tube and the color panel can each be split into 12
segments with individual control, and the whole array can be fully pixel mapped
through any standard controller. Strobe and color effects can be controlled
separately, but they can also be combined for stunning strobe, blinder and wash
effects. The JDC1 also features a fast-action moving head with 16-bit control and a
185° tilt range.
The JDC1 is designed for permanent or temporary indoor use. It can be used outdoors
if it is protected from moisture and precautions are taken to prevent damage from
direct sunlight. It may be placed upright on a level surface or suspended from a
suitable structure as described this manual.
The JDC1 is not suitable for household use, for use in any location where unattended
children have access to it, or for use in permanent outdoor installations.
Beam
The JDC1 features a traditional central single-tube element, the Beam, containing 216
cool white LEDs that produce powerful white light.
You can run powerful shutter effects (including a strobe at up to 16.67 Hz) and
dynamic FX patterns on the Beam, or you can operate it continuously to give highoutput blinder and wash effects with an 86° beam angle. If you set an intensity on the
Beam, it will be used as the background intensity if you run a shutter effect or FX
pattern on the Beam.
You can control the Beam as one unit or divide it into 12 segments that you can use as
separately controllable pixels.
Color Plates
The JDC1 has two RGB color panels – the Plates – on either side of the central Beam
tube. Each Plate contains 660 RGB LEDs.
You can run a wide range of color effects including shutter / strobe effects and
dynamic FX patterns on the Plates, or you can operate them continuously using RGB
color mixing to provide a wide (148°) color wash. If you set a color mix on the Plates, it
will be used as the background color if you run a shutter effect or FX pattern on the
Plates.
You can control the Plates as one unit or divide them into 12 segments that you can
use as separately controllable pixels.
DMX control modes
Five DMX control modes are available in the JDC1. All five modes offer the same
functions on DMX channels 1-14. DMX Mode 1 offers the standard functions on
channels 1-14 only, while DMX Modes 2-5 offer additional functions using additional
DMX channels.
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The following DMX modes are available:
• DMX Mode 1 (Compressed Pro) uses 14 DMX channels. It gives the following control
options that are used as standard in all DMX modes:
- 16-bit control of tilt, allowing the head to be tilted through 185°, using channels 1
and 2.
- Beam shutter effects (strobe, ramp up/down etc.) with variable intensity, duration
and rate using channels 3-6.
- Adjustment of a range of fixture settings from the DMX controller using the Special /
Control commands on channel 7.
- Plate shutter effects (strobe, ramp up/down etc.) with variable intensity, duration
and rate using channels 8-11.
- RGB color mixing on the Plates using channels 12-14.
• DMX Mode 2 (Normal) uses 23 DMX channels. It gives the following control options:
- Standard control options on DMX channels 1-14.
- Pre-programmed dynamic FX patterns on the Beam and the Plates, with
adjustment of FX speed and of crossfades between the FX and the background
using channels 15-19.
- Master intensity and RGB color mixing on the Plates using channels 20-23.
• DMX Mode 3 (SPix) uses 68 DMX channels. It gives the following control options:
- Standard control options on DMX channels 1-14.
- Pre-programmed FX patterns using channels 15-19.
- Master intensity and pixel-level RGB color mixing of Plate pixels 1-12 using channels
20-56.
- Pixel-level white intensity control of Beam pixels 1-12 using channels 57-68.
For pixel layout in the JDC1, see Figure 4 on page 14.
• DMX Mode 4 (SPix Pro) uses 62 DMX channels. It gives the following control options:
- Standard control options on DMX channels 1-14.
- Pixel-level RGB color mixing of Plate pixels 1-12 using channels 15-50.
- Pixel-level white intensity of Beam pixels 1-12 using channels 51-62.
• DMX Mode 5 (1Pix Pro) uses 17 DMX channels. It gives the following control options:
- Standard control options on DMX channels 1-14.
- Grouped RGB color mixing of the Plates using channels 15-17.
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Pixel grouping
The JDC1 gives two LED pixel grouping options, depending on which DMX mode the
fixture is in:
• Control of the Beam as one unit and control of both the Plates as one unit (see
Figure 3).
• Control of the Beam as 12 separate pixels and control of the Plates as 12 separate
pixels (see Figure 4).
Plate LEDs
Beam LEDs
Plate LEDs
Figure 3: LEDs grouped into Beam and Plate
1st Plate LEDs
Beam LEDs
2nd Plate LEDs
Pixels are numbered as seen when looking
at the front of the fixture with Tilt set to 000.
Figure 4. LEDs grouped into pixels
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Pixel Orientation
Figure 4 on the previous page shows the default pixel layout on the Plates. The default
pixel orientation setting is:
• Pixel Orientation = OFF (Normal)
• 2nd Plate pixel Orientation = OFF (Normal).
You can invert pixel orientation by either sending a DMX command on the Special
/Control DMX channel 7 or using the Settings menu in the control panel. Inverting pixels
lets you set up symmetrical effects in multiple fixtures quickly without the need to
reprogram cues.
See Figure 5. You can invert the order of all the pixels on the Plates and the pixels in the
Beam by setting pixel orientation to ON (Inverted). Inversion status in the control panel
display will change from NNN (tilt, pixel orientation and 2nd Plate pixel orientation all
Normal) to NIN (tilt Normal, pixel orientation Inverted, 2nd Plate pixel orientation
Normal) and the pixel layout will be as shown below:
Figure 5. Pixel orientation = ON (Inverted), 2nd Plate pixel orientation = OFF (Normal)
See Figure 6. You can invert the order of the pixels on only the second Plate by setting
only 2nd Plate pixel orientation to ON (Inverted). Inversion status in the control panel
display will be NNI and the pixel layout will be as shown below:
Figure 6. Pixel orientation = OFF (Normal), 2nd Plate pixel orientation = ON (Inverted)
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See Figure 7. You can invert the order of all the pixels on the Plate and at the same
time invert the order of the pixels on the second Plate by setting Pixel orientation to ON
(Inverted) and 2nd pixel orientation to ON (Inverted). Inversion status in the control
panel display will be displayed as NII and the pixel layout will be as shown below:
Figure 7. Pixel orientation = ON (Inverted), 2nd Plate pixel orientation = ON (Inverted)
Tilt
The head tilts through 185° with coarse and fine control channels and self-correcting
position feedback.
Using the control panel, you can disable tilt position feedback and you can invert tilt
direction. Inverting tilt is a fast way of creating symmetrical effects in multiple fixtures.
You can also set tilt operation to one of three options:
• Enabled with DMX control.
• Disabled.
• Enabled but without DMX control. In this setting, power is applied to the tilt motor
but the fixture will not respond to movement commands sent via DMX. The tilt motor
will therefore act as a brake and hold the head in position.
Barndoor tilt operation
If you mount barndoors or any other accessory on the front of the fixture, set Barndoors
to ON either on the Special / Control channel using DMX or in the Tilt menu using the
control panel. Barndoor tilt operation reduces tilt speed to avoid any damage that
could be caused to barndoors, if fitted, by sudden tilt movements.
Auto-Blackout
To avoid any possibility of unexpected behavior from a powerful strobe in the middle
of a show or event, you can use the Shutter menu in the control panel to set the fixture
to black out automatically if it detects an internal error. If this happens, the error will be
listed in Information – System Errors in the control panel.
You can also set the fixture to black out automatically if more than three seconds
passes without the fixture receiving a valid DMX signal.
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Custom settings and factory defaults
The Init Positions menu in the control panel lets you replace the fixture’s factory default
settings with any custom settings (DMX Mode, pixel orientation, etc.) that you have
stored using the control panel or via DMX. If you apply an Init Positions – Save
command, the fixture will return to these custom settings after a power off/on cycle or
after a reset.
You can delete all saved custom settings at once and return to the factory default
settings using an Init Positions – Reset command.
Dimming curves
See illustration on right. Three dimming curves are
available: Linear, Soft, and Extra soft. You can
select a curve using the control panel or using
the Special / Control DMX channel.
Behavior when a DMX signal is lost
You can choose how the fixture behaves if it is
receiving a DMX signal but the signal stops. Three
options are available in the DMX Hold menu in
the control panel: the fixture can:
• black out immediately,
• fade down to a blackout, or
• continue obeying the last DMX command it received.
PWM frequency
You can adjust the PWM frequency of the LEDs from 582 to 618 Hz in 1 Hz increments, or
you can set the PWM frequency to 1200 or 2400 Hz.
Effect offsets
Effect offsets are a fast way to set up effect chases in multiple fixtures. You can set
effect offsets with starting points in the effect cycle from 10° to 360° in 10° increments.
You can set an offset for the Beam on channel 7 and set an offset for the Plates on
channel 11 in all DMX modes.
Any offset that you set will apply to the standard shutter effects available in all DMX
modes and also the FX patterns available in DMX Modes 2 and 3.
Flash control modes
The JDC1 offers three flash control modes that can be selected either in the control
menus or via DMX on the Special / Control channel:
In Normal flash control mode, you set the rate and duration of Beam and Plate flashes
on their respective rate and duration channels. If you increase the flash rate, the
duration of flashes will not change but the intervals between flashes will become
shorter. Normal flash control mode gives you full control over flash duration, but it
means that you may need to adjust flash duration if you change the flash rate.
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In Percentage flash control mode, you set the duration of Beam and Plate flashes on
their respective duration channels as a percentage of the flash on/off cycle. Once
you have set this percentage, flash duration is automatically adjusted to match flash
rate. If you increase the flash rate, the duration of flashes will be reduced. Percentage
flash control mode makes it easy to control flashes using the rate channel only.
In Aggressive flash control mode, flash rate and duration are controlled as in Normal
flash mode, but if intensity on the Plates is below 100%, the extra available power is
pushed to the Beam LEDs. This gives an even more powerful Beam flash than in the
other flash modes.
If Plate LEDs are at zero intensity, enabling Aggressive flash mode will give maximum
Beam flash intensity. If you increase Plate intensity, Beam and Plate output will be
balanced to give the best performance. If you set Plate intensity to maximum, Beam
intensity will be the same as in Normal flash mode.
Flash Modes can be changed very quickly (hold for 0.5 seconds) by programming the
setting in the cue directly. This means that it is possible to swap between flash modes in
the middle of a show.
Dimmer flash control mode
Producing single flashes is quick and easy if you activate Dimmer Flash mode in the
Settings control menu. Activating this mode affects both the Beam and the Plates.
With Dimmer flash mode enabled, if the Shutter channel (6 for the Beam and 10 for the
Plates) is set to zero, any new DMX value that you input on the Intensity channel (3 for
the Beam and 8 for the Plates) will produce a single flash on the Beam or Plates. In
effect, all you need to do is 'nudge the dimmer fader' to produce a flash.
FX
DMX Modes 2 and 3 include pre-programmed FX on channels 15-19. The FX are
dynamic patterns that are superimposed onto the Beam and/or the Plate LEDs.
Normally, all the Beam or all the Plate pixels flash at the same time. But when you
select an FX, only the pattern pixels flash.
The following control options are available via DMX when using FX:
• Select FX pattern and speed for the Beam
• Select FX pattern and speed for the Plates
• Adjust crossfade time (fade time between FX pattern and background).
For tables showing all the patterns available on the Beam and the Plates, see pages 60
and 65.
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Plate color priority
The JDC1 lets you set an RGB color for strobe flashes and FX patterns that are
superimposed on the Plates as well as setting an RGB color for the background on the
Plates. You can choose from three options that define how strobe flash and FX pattern
colors are superimposed over background colors using the settings available via DMX
on channel 7:
• FX Pattern Priority: A strobe flash or FX pattern on the Plates will always use the
FX/flash color and override the plate background color.
For example, if you have created a 100% intensity red FX or flash and a 50% intensity
green background, the FX or flash will always be visible as 100% intensity red over a
50% intensity green background.
• Color Mix: A strobe flash or FX pattern on the Plates will mix with the plate
background color using additive color mixing. The color of the FX pattern or flash will
change if you adjust the FX pattern / flash color, and it will also change if you adjust
the plate background color.
For example, if you have created a 100% intensity red FX or flash and a 50% intensity
green background, the FX or flash will appear as 100% intensity yellow over a 50%
intensity green background.
• Background Color: An FX pattern or flash on the Plates will only be visible if no
background color is set on the Plates. If a background color is set on the Plates, the
FX pattern or flash will use the plate background color.
For example, if the fixture is in Background Color mode and you have:
- created a 100% intensity red FX or flash, and
- created a 50% intensity green background,
then the FX or flash will be not visible: you will only see the 50% intensity green
background. However, if you dim the background intensity down to zero, you will
see the 100% intensity red FX pattern or flash.
The Plate Color Priority settings can help you set up interesting effects when the Plates
are controlled as one pixel, but they can give even richer, more complex effects when
the Plates are controlled as twelve separate pixels. In Color Mix and Background Color
modes, setting different Plate pixels to different colors and intensities will affect the
appearance of any FX patterns or flashes that are superimposed on those pixels.
For example, if the fixture is in Background Color mode and you have:
• created a 100% intensity red FX or flash,
• set even-numbered pixels (2, 4, 6, etc.) to zero intensity, and
• created a 50% intensity green background on odd-numbered pixels,
then the FX or flash will only be visible on the even-numbered pixels. On the oddnumbered pixels you will only see the 50% intensity green background.
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Display
The illuminated graphic LCD display with self-charging battery lets you change fixture
settings even when the power is off. See Chapter 6 for settings, readouts, and related
information.
You can adjust the contrast and brightness of the display in the Display menu in the
control panel. You can also invert the display for easier reading if the fixture is flown
head-down in a rig, and you can set the display to flash if the DMX signal to the fixture
is lost, giving a discreet indication of DMX signal status.
Cooling modes
Cooling fans can be set to one of two modes:
• Auto for temperature-regulated operation. This mode optimizes cooling for
quietness.
• High for constant high-speed operation. This mode minimizes the possibility that the
fixture will reduce its light output if it exceeds thermal safety limits. This will normally
only happen when the fixture is worked hard for extended periods in high ambient
temperatures.
Fixture information
The Information menu in the control panel gives access to a long list of information
items. You can see a list of any internal errors that the fixture may have detected,
check main and distributed software and hardware versions, check temperature
sensor readouts, see logs of operating hours and boot count and check whether the
fixture is running on AC mains or battery power.
You can monitor the DMX values being received on the main DMX channels, and you
can monitor cooling fan operation.
Manual control
The Manual Control menu in the control panel lets you reset the entire fixture, reset tilt
only, or reset left or right LED drivers only. It also lets you control the main functions of
the fixture without DMX.
Test sequences
The Test menu lets you run test sequences to ensure correct operation of Tilt movement
only, color output from the RGB LEDs on the Plates only, or the entire fixture.
Service menu
The Service menu is password-protected and is intended for use by GLP Service.
Clamp attachment
The base provides Camlock attachment points for easy fastening of an omega clamp
attachment bracket that accepts two half-coupler clamps.
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5. Preparation for use
Warning! Read ‘Safety’ starting on page 5 for important safety information
that you must understand before you install or operate the fixture.
Included items
The JDC1 is supplied with a power cord with Neutrik powerCON TRUE1 connector and
an omega bracket (Part No. 87036) that lets you fasten two half-coupler rigging
clamps to the fixture.
Mounting
Figure 8: Mounting options (safety cable not shown)
The JDC1 may be rigged in any orientation or placed on a level surface. When
installing, keep the head at least 1 m (3.3 ft.) from flammable materials including
curtains and stage scenery.
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Mounting upright on a level surface
The JDC1 may be placed upright on a level surface.
Make sure that persons cannot accidentally touch the
fixture when it is installed.
See illustration on right. You can align fixtures side by
side by inserting the alignment pins (arrowed) on the
right-hand side of one fixture into the holes on the lefthand side of the next fixture.
Figure 9: Alignment pins
Suspension or horizontal/angled truss mounting
You can fasten the JDC1 to a rigging truss with the head hanging vertically
downwards, or you can fasten the JDC1 to a truss horizontally or at any angle. To
fasten to a truss:
Bolt two suitable half-coupler rigging clamps to the supplied omega clamp
attachment bracket.
Figure 10: Camlock sockets
See illustration above. Fasten the omega bracket to the base of the fixture with
four Camlock quarter-turn fasteners by lining up the pins in the fasteners with the
keyways in the sockets, inserting the pins into the sockets and turning a full 90°
clockwise to lock them.
Fasten the rigging clamps securely around a chord on a rigging truss or similar bar.
Secure as directed below.
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User Manual Rev. 3.0
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