The marks ‘GLP’, ‘German Light Products’ and ‘impression’ 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.
Manufacturer 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
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 impression E350 lighting fixture.
If you have any doubts or questions about how to use the product safely, contact your
GLP® supplier for assistance.
The product 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 the fixture software version indicated on page 2 of
this user manual and then use the fixture’s control panel to check the version installed
in the fixture. If the versions are not the same, the user manual may still cover the
fixture (software updates do not always affect the way you use the fixture), but it is
possible that the manual does not match the fixture perfectly. The software release
notes should help clarify this question. You can consult software release notes and
download the correct version of this user manual on the GLP website if necessary.
4 GLP impression E350
User Manual Rev. C
German Light Products®
• Make the user manual available to all installers and operators and save the manual
for future reference.
• If you have questions about the safe operation of the impression E350, please contact
an authorized GLP distributor (see list of distributors at www.glp.de).
• Use the product only as directed in this user manual. Observe all markings in this user
manual and on the product.
• 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 must 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 a Neutrik powerCON TRUE1 cable connector for AC 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, 1.5mm², 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.
GLP impression E350 User Manual Rev. C 5
www.glp.de
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 55° C (131° 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 10
minutes before handling.
• Keep the product well away from flammable materials.
• Keep all combustible materials (e.g. fabric, wood, paper) at least 200 mm (8 in.)
away from the product.
• 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 2 m (6.6 ft.) of the product.
• 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 optical components.
• If the fixture seems to be abnormally hot, shows signs of melting or emits smoke,
disconnect the fixture from power immediately and allow it to cool. Do not touch the
fixture without heatproof safety gloves. Keep the fixture well away from combustible
and flammable materials.
• 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 impression E350 is classified as a Risk Group 2 product according to DIN EN
62471:2009-03. 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 working on or near 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.
• Provide well-lit conditions to reduce the pupil diameter of anyone working on or near
the product.
6 GLP impression E350
User Manual Rev. C
German Light Products®
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 and operation safety
• The fixture must be installed and operated by qualified personnel only and in
accordance with applicable regulations such as DIN VDE 0711-217.
• The fixture 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.
• Install the fixture with hardware specifically designed and rated for the purpose.
Check that all installation 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 fixture 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, and it must be able to support a
static suspended load that is ten times the weight that it secures.
• Fasten the fixture to a structure or surface as directed in this user manual. Do not use
safety cables as the primary means of support.
GLP impression E350 User Manual Rev. C 7
www.glp.de
• Before applying power to the product, ensure that the moving head can move
through its full range without risk of collision. Allow a minimum center-to-center
distance of 600 mm / 23.6 in. between fixtures.
• Check that all covers and rigging hardware items are secure.
• 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.
• If you become aware at any time that the product does not conform with one or
more of the above safety requirements, disconnect the product from power and
secure the affected area until the fixture is installed safely.
8 GLP impression E350
User Manual Rev. C
German Light Products®
2. Avoiding damage
Do not point the front of the fixture towards the sun or other strong light sources. The
front lens focuses and concentrates light just like a magnifying glass. 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 a fixture to sunlight or any other strong light source.
• For outdoor applications during daylight, make sure that the front face of any 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 front lens bezel, as it is not designed to
support the weight of the fixture. The LCD display is also fragile. Picking up or
supporting the fixture in these places could result in damage that is not covered by the
warranty.
Use only original spare parts. Any structural modification of the system will void the
product warranty.
Protect the front lens from dirt, dust and other contaminants. Do not touch the front
lens. Airborne particles and grease from your fingers can become baked onto the lens
and difficult to remove.
Clean optical components only as directed in this manual (see ‘Caring for your
product’ on page 39). Oils, solvents, and other chemicals commonly used for cleaning
can damage the lens coatings and surfaces.
Do not drop the product or expose it to mechanical stress.
Do not expose the product to heat (from other lighting fixtures for example).
GLP impression E350 User Manual Rev. C 9
www.glp.de
Transportation and storage
Transport the impression E350 either in a flightcase or in its original packaging to
protect the fixture from damage caused by shocks during transportation.
Store the fixture in a dry location where the temperature will remain above 0° C (32° F)
when not in use.
Important! Allow the fixture to cool completely and release the tilt lock before packing
or transporting the fixture in a flightcase or the original cardboard box.
10 GLP impression E350
User Manual Rev. C
German Light Products®
3.Product overview
A
G
B
C
F
D
J
K
L
E
M
A – Head
B – Front lens
C – Mini-base with safety cable
attachment points
D – Tripod stand (supplied)
E – Stabilizing strap attachment point
F – Yoke cooling vents
G – Tilt lock
H – Yoke cooling vents
I – Control panel display
J – Mode button
N
OP
Figure 2: Product overview
Q
R
K – Jog wheel
L – Enter button
M – DMX Out (thru) 5-pin XLR
N – DMX Out (thru) 3-pin XLR
O – Fuseholder
P – Power On/Off
Q – AC mains power In
R – Ethernet Port
S – DMX In 3-pin XLR
T – DMX In 5-pin XLR
S
T
GLP impression E350 User Manual Rev. C 11
www.glp.de
4. Product features
The impression E350 from GLP is a high-quality moving head lighting fixture with a 350W
LED engine that provides powerful 7500 K cool white output. The fixture gives
impressive hard-edged mid-air effects and bright gobo projections. Advanced
German design allows exceptional performance and a versatile feature set to be
packed into one of the most compact moving head lighting fixtures currently
available, using GLP’s familiar ‘baseless’ format.
Rotating gobos, fixed gobos and a gobo animation wheel give impressive projections
and beam effects. A rotating 8-facet prism and a motorized iris add to the impression
E350’s packed feature set. Precisely engineered optics give a powerful, homogenous
and sharply defined beam throughout the fixture’s zoom range. Power input via a
Neutrik powerCON TRUE1 connector allows hot plugging.
The impression E350 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 impression E350 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.
Light source
The impression E350 is equipped with a 350 W white light 7500 K LED engine with up to
12 200 lumens available and a rated lifetime of 20 000 hours to >70% LED output.
Control panel
The control panel on the side of the yoke has a backlit graphic LCD display for setting
up the fixture and changing fixture settings. See ‘Control menu layout’ on page 27 for
a table showing the control menu structure and options available.
Control options
The impression E350 is compatible with DMX 512 and RDM control protocols.
You can control the fixture using DMX over a standard DMX cable link or via wireless
DMX using a LumenRadio CRMX plug-in (optional accessory). You can also control the
fixture using DMX over an Art-Net or sACN network.
See ‘Setting up fixture control’ on page 22 for more details.
Pan and tilt
The fixture pans through 565° and tilts through 256°, with coarse and fine control
channels and self-correcting position feedback available.
Pan and tilt position feedback can be disabled/enabled using the control panel or the
Special / Control DMX channel.
The direction of pan and/or tilt movement can be reversed by selecting an Invert
command using the fixture’s control panel or the Special / Control DMX channel.
Inverting movement is a fast way of obtaining symmetrical effects without
reprogramming at the console.
12 GLP impression E350
User Manual Rev. C
German Light Products®
Color
The impression E350 features 0-100% continuous CMY color mixing and a 10-slot color
wheel with ten dichroic color filters including CTC (see Figure 3).
A good method of controlling color is to set CMY levels to 0% when you begin to use
the color wheel. Then, after you have selected a color on the color wheel, you can
fine tune it using the CMY channels.
Open Slot 1
Congo Blue
Slot 6
CTC 1
(UV)
Slot 7
CTC 2
Slot 2
Green
Slot 8
CTC 3
Figure 3. Color wheel
Slot 3
Orange
Slot 9
Minus green
Slot 4
Magenta
Slot 10
Red
Slot 5
Blue
CTC
The CTC DMX channel lets you adjust color temperature from 8000 K to 2500 K by
deploying the CMY flags. The channel sets the flags into the perfect positions for
matching color temperatures on the black body line.
A recommended approach is to set CMY levels to 0% when you begin to use the CTC
channel. After you have selected a color temperature on the CTC channel you can
fine tune it using the CMY channel.
Rotating gobos
The rotating gobo wheel contains the seven rotating gobos shown below:
Open Gobo 1
Little Dots
GLP impression E350 User Manual Rev. C 13
Gobo 2
Round
Stairs
Gobo 3
Center
Mark
Figure 4. Rotating gobos
Gobo 4
Molecule
Gobo 5
Orna-
ment
Gobo 6
Zebra
Gobo 7
Tissue
www.glp.de
You can either select a rotating gobo or set the entire gobo wheel to rotate with
variable speed and direction on DMX channel 10. Then you can either set gobo
indexed angle or set gobo rotation speed and direction with 16-bit control on
channels 11 and 12.
Fixed gobos
The fixed gobo wheel contains the ten fixed gobos shown below:
Open Gobo 1
Star in
Triangle
Gobo 6
Three Thirds
Circle
You can either select a fixed gobo or set the entire fixed gobo wheel to rotate with
variable speed and direction on DMX channel 13.
Gobo 7
Daisy
Flower
Gobo 2
Block of
Lines
Gobo 8
Gravel
Figure 5. Fixed gobos
Gobo 3
Sonic
Gobo 9
Shattered
Gobo 4
Dots in
Circle
Gobo 10
Mikado
Gobo 5
Lines in
Circle
Animation wheel
You can deploy the animation wheel with the
animation profile at continuously variable
angles from 0° to 90° to give horizontal,
diagonal or vertical animation effects. You can
also vary the speed and direction of the
animation wheel rotation. When used in
combination with static or varying colors,
rotating or fixed gobos and frost or focus, the
animation wheel makes a huge range of
effects possible, from abstract moving patterns
to simulated flames, branches in the wind,
ripples on water, etc.
Figure 6. Animation wheel
14 GLP impression E350
User Manual Rev. C
German Light Products®
Frost
The frost system offers two levels of frost effect that can give softer, more diffuse
projections: a continuously variable light frost and a continuously variable medium
frost.
Iris
The 14-blade iris offers continuous control of the beam diameter, with a very tight open
position.
Shutter effects
The impression E350 features an electronic dimmer / shutter system that provides pulse
and strobe effects as well as instant open and blackout.
Dimming
0 – 100% continuous dimming is available.
See Figure 7. You can select from two dimming curves using the control panel or the
Special / Control DMX channel: Linear and Extra soft:
• Light output using the Linear curve will appear to increase and decrease evenly
throughout the dimming range.
• The Extra soft curve gives finer control at low light levels (where the eye is more
sensitive to changes in light level) and coarser control at high levels.
The default setting is Extra soft.
Light
output
DMX control value
Figure 7. Dimming curves
Zoom
The impression E350 has a 1:5 zoom range from 8.5° to 42°.
Control on the Zoom DMX channel can be inverted. Normal control as the DMX value
increases is flood
Control DMX channel so that control becomes spot
GLP impression E350 User Manual Rev. C 15
spot. You can invert this using the control panel and the Special /
flood.
www.glp.de
Focus and focus tracking
You can carry out 8-bit focus adjustment on DMX channel 17 and fine 16-bit
adjustment on DMX channel 18.
You can also set focus to automatically adjust to match different zoom positions if you
enable focus tracking in the fixture’s control panel or on the Special / Control DMX
channel.
Focus tracking can be optimized for three different projection distance ranges. Four
focus tracking settings are available:
•Focus tracking OFF sets the zoom and focus DMX channels to control zoom and focus
completely independently of each other. Focus tracking is set to OFF by default.
•Focus tracking NEAR sets focus to automatically adjust for optimum sharpness at
projection distances of around 10 meters or less when the zoom angle is changed.
•Focus tracking MEDIUM sets focus to automatically adjust for optimum sharpness at
projection distances of around 11 - 20 meters when the zoom angle is changed.
•Focus tracking FAR sets focus to automatically adjust for optimum sharpness at
projection distances of over 20 meters when the zoom angle is changed.
If you have enabled Focus tracking NEAR, MEDIUM or FAR you can still override the
automatic focus setting: any manual adjustment that you make on the Focus DMX
channel will take priority over the automatic setting. However, if you change the zoom
angle again, the fixture will forget any manual focus setting and return to
automatically adjusting focus to match the fixture’s zoom angle.
Fan modes
The four different cooling fan modes give you a range of options to choose from
depending on how you want to allocate priority between high-intensity light output or
low fan noise:
•Fan regulated gives priority to light output and only operates fans as necessary. If the
fixture is blacked out, fans run at minimum speed. When light output intensity is
increased, temperature regulation increases fan speed to the level necessary to keep
the fixture at optimum temperature.
If light output is set to maximum intensity but the fans can keep the fixture at optimum
temperature, there will be no regulation of light intensity. If the fixture begins to
exceed optimum temperature, light intensity will be limited until optimum
temperature can be maintained.
•Fan constant high mode is optimized for maximum light output and suits operation in
high ambient temperatures. Fans are set to constant operation at high speed. Light
output intensity is limited smoothly if it becomes necessary in order to keep fixture
temperature at optimum level.
Besides maximizing light output in high ambient temperatures, you can use this mode
to cool down a fixture quickly or to remove dust from cooling fans.
•Fan constant medium sets fans to constant operation at medium speed. Light output
intensity is reduced to a level where it will normally remain constant at ambient
temperatures of up to 45° C (113° F). Intensity is smoothly limited further if it becomes
necessary in order to keep fixture temperature at optimum level.
16 GLP impression E350
User Manual Rev. C
German Light Products®
•Fan constant low mode sets fans to constant operation at low speed and is optimized
for minimum noise. Light output intensity is reduced to a level where it will normally
remain constant at ambient temperatures of up to 30° C (86° F). Intensity is smoothly
limited further if it becomes necessary in order to keep fixture temperature at
optimum level.
In all fan modes, if fixture temperature reaches a dangerous level, LEDs will be shut
down for a period until the fans have brought the temperature down to a safe level.
You can set the cooling fan mode using the control panel or the Special /Control DMX
channel.
Effect wheel shortcuts
By default, the color wheel and gobo wheels take the shortest, fastest route from one
slot to the next, even if this means that they may pass through the open position. To
avoid the wheels passing through the open position when they change from one slot
to the next you can set Effect shortcuts on the Special / Control DMX channel to OFF.
Behavior when the fixture is not receiving a DMX signal
You can set the fixture to react in four different ways if no DMX signal is present (if the
fixture is being controlled by DMX but the DMX signal stops, or if you apply power to
the fixture when no DMX signal is present):
•Hold sets the fixture to continue obeying the last DMX values it received. This is the
default setting.
• Blackout sets the fixture to black out whenever it is not receiving a DMX signal.
• Stand-Alone sets the fixture to play its stored stand-alone scene (see DMX Shot below)
when the fixture is not receiving a DMX signal. If no stand-alone scene is stored in
memory, the fixture will black out.
•DMX Shot takes a snapshot of the DMX values that are currently being received and
stores them in the fixture’s memory as its stand-alone scene. The fixture will display this
stand-alone scene if it is set to Stand-Alone (see above) and is not receiving a DMX
signal.
You can select one of the four settings above using either the control panel or the
Special / Control DMX channel.
Stand-Alone operation
If the fixture is set to Stand-Alone and if a stand-alone scene has been stored in its
memory using the DMX Shot command, it will display its stand-alone scene at all times
when it is powered on but not receiving a DMX signal. You can therefore use this
setting if you want fixtures to automatically start stand-alone operation when you
apply power to them.
PWM frequency
You can change the LED dimming PWM frequency in order to avoid flicker and beat
frequencies in video images. To do this, select a new PWM frequency using either the
Settings DMX channel or the fixture’s control panel.
GLP impression E350 User Manual Rev. C 17
www.glp.de
The default PWM setting is 3000 Hz. You can set the PWM frequency to 2200 Hz,
3000 Hz, 4800 Hz, 9600 Hz or 25 kHz. Note that a higher PWM frequency may affect
dimming performance.
The PWM frequency setting is stored in the fixture and is not affected by cycling power
off and on. However, it will be affected if you use the Factory default command in the
control menus.
As a rule, you should set all the fixtures in an installation to the same PWM frequency in
order to ensure the same performance.
Installation options
The base has four Camlock fastener points and two M10 threaded holes for a
removable tripod (supplied), omega brackets or direct mounting of half-coupler
clamps, allowing various rigging options.
Two eyelets are provided for safety cable attachment.
See the next chapter for installation instructions.
18 GLP impression E350
User Manual Rev. C
German Light Products®
5. Preparation for use
Warning! Read ‘Safety’ starting on page 4 for important safety information
that you must understand before you install or operate the fixture.
Included Items
The impression E350 is supplied with a power cable with a powerCON TRUE1 connector
and a tripod with Camlock fasteners for use as a floor stand.
Orientation and location
The impression E350 may be rigged in any orientation following the instructions in this
chapter or placed on a level surface in locations where it is safe to stand the fixture.
Keep the head at least 0.2 m (8 in.) away from combustible materials (including
curtains and stage scenery) when the fixture is installed.
Make sure that there is no risk of collision when the head pans and tilts. Allow a
minimum center-to-center distance of 600 mm (23.6 in.) when installing impression E350
fixtures side by side.
Mounting fasteners in base
See Figure 8. The base of the impression E350 has two threaded holes A that accept
M10 bolts or screws, and four mounting points B that accept standard camlock
quarter-turn fasteners. The camlock center-to-center distance is 90 mm (3.54 in.).
B
A
B
Figure 8. Mounting points in base
B
A
B
GLP impression E350 User Manual Rev. C 19
www.glp.de
Mounting with rigging clamps
To install the impression E350 in any orientation on a rigging
truss or similar support:
See Figure 9. Pass two M10 grade 8.8 steel bolts or screws
through two half-coupler type rigging clamps and check
that the bolts will protrude minimum 9 mm / 0.35 in. and
maximum 11 mm / 0.43 in. into the base of the fixture
when tightened.
See Figure 8. Fasten the bolts through the half-coupler
clamps and into holes A in the base of the fixture so
that the clamps are held securely.
Fasten the rigging clamps securely around a chord on a rigging truss or similar bar.
Secure the fixture with a safety cable as described in ‘Safety attachment’ on page
20.
Make sure that the head will not collide with another fixture or any other object
when it moves through its full pan and tilt ranges.
Figure 9. Min./max. bolt
protrusion into base
(millimeters)
Safety attachment
If the impression E350 may cause
injury or damage if it falls, you
must secure it with a secondary
attachment such as a safety
cable. To install a safety cable:
Obtain a safety cable that is
approved for the load it will
secure.
See Figure 10. Fasten the
safety cable to one of the
safety cable attachment
points in the base of the
fixture and loop it around a
secure anchoring point such
as a truss chord. Remove as
much slack as possible in the safety cable (by looping it more than once around
the truss chord, for example).
Secure the safety cable and check that it will hold the fixture if a primary
attachment fails.
Figure 10. Safety cable attachment points in base of
fixture
20 GLP impression E350
User Manual Rev. C
German Light Products®
Placing on a surface
If you install the supplied tripod on the base of the fixture, you can stand the impression
E350 upright on a flat, stable, horizontal surface in any location where the fixture is not
accessible to the public and will not present any safety risks.
If necessary to prevent the fixture from moving or
falling, pass a ratchet strap, webbing or other suitable
bracing strap through the safety cable attachment
points in the base (see Figure 10) or the strap
attachment points in the tripod stand (see Figure 11)
and fasten it to secure anchoring points. Make sure
that the strap is tight enough to hold the fixture, but do
not distort attachment points by overtightening the
strap.
If the fixture may cause injury or damage if it falls,
secure it with a safety cable as described in ‘Safety
attachment’ on page 20.
Make sure that the head will not collide with anything
when it tilts and rotates.
Figure 11. Strap attachment
points in tripod stand
Connecting to power
The AC mains power supply must include a connection to ground / protective earth. It
must be protected against ground / earth leakage and overload. The auto-sensing
power supply accepts AC power at 100-240 V, 50/60 Hz. Do not connect the fixture to
power at any other voltage or to an external dimmer.
The impression E350 has a 3-conductor Neutrik powerCON TRUE1 socket that accepts
AC power from a Neutrik powerCON TRUE1 female cable connector.
Although powerCON TRUE1 connectors support hot-plugging, it is still good practice to
shut down power to power cables or move Power ON/OFF switches to OFF before
connecting power cables to fixtures.
To connect the fixture to power:
Check that power to the power input cable is shut down or that the fixture’s power
switch is set to OFF.
See Q in Figure 2 on page 11. Note the position of the keys and keyways on the
power cable connector and Mains In socket and align them with each other. Insert
the cable connector into the socket and twist clockwise to lock.
Before applying power by energizing the power cable and/or switching on the
power switch, check that the head is unlocked and can move freely and check
that nobody is looking directly into the front of the fixture.
Installing power connectors
It is possible to install a cord cap / mains power plug that is suitable for your local
convenience receptacles / power sockets on the supplied power input cable. If you
do this, check that the cord cap / plug is rated minimum 250 V, 16 A, that it has a
connection to ground / earth and that it has an integral cable grip. Follow the cord
cap / plug manufacturer’s assembly instructions.
GLP impression E350 User Manual Rev. C 21
www.glp.de
If you need to install a Neutrik powerCON TRUE1 connector on a power cable, follow
the instructions given in the Support area of the Neutrik website at www.neutrik.com.
Respect the color coding used in the supplied power cable and in your local mains
power wiring system. US and EU systems use the color coding shown below:
US system Black White Green
EU system Brown Blue Yellow/green
Live or L Neutral or N
Ground / Earth or
Main fuse
See Figure 12. The main fuse sits in a holder in the
base.
If the fixture appears to be completely shut down
even though power is applied, the main fuse may
have blown. Disconnect the fixture from power
before replacing the fuse. You can open the
fuseholder with a flat-headed screwdriver. Replace
only with a fuse of the same type and rating.
If the fuse blows repeatedly, disconnect the fixture
from power and contact GLP for service and
repair.
Figure 12. Main fuse
Setting up fixture control
The impression E350 can be controlled via USITT512 DMX over a standard DMX cable
link, Art-Net network or streaming ACN network.
If you would like any advice with planning and installing a suitable control link, your
GLP supplier will be happy to provide assistance.
DMX
The fixture has 5-pin and 3-pin XLR IN and THRU sockets for connection to a DMX cable
data link. Use certified DMX cable only for this link.
Connectors use standard DMX pinout:
• Pin 1 = Ground
• Pin 2 = Negative / data cold
• Pin 3 = Positive / data hot.
• Pins 4 and 5 are not used.
22 GLP impression E350
User Manual Rev. C
German Light Products®
To configure the fixture for DMX control over a DMX cable link, open the menus in the
fixture’s control panel and make the following adjustments:
In the first menu (root menu), set the fixture’s DMX address to a suitable address.
In the ArtNet/sACN menu, set Capture Mode to DMX.
These settings will not be affected if you apply a Special Default command in the
fixture’s control panel or a Load setting defaults command on the Control/Settings
DMX channel.
Art-Net
The fixture’s Ethernet port is suitable for connection to an Art-Net network. Use CAT 6 or
higher Ethernet cable only for this network.
To configure the fixture to receive control data via Art-Net, open the menus in the
fixture’s control panel and make the following adjustments:
In the first menu (root menu), set the fixture’s DMX address to a suitable address.
In the ArtNet/sACN menu, set Capture Mode to Art-Net.
Configure all fixtures with their own unique IP addresses. To do this, you can either:
• set fixtures to generate their own IP addresses by choosing the ranges 2.x.x.x or
10.x.x.x (Art-Net specification),
• set fixtures to acquire IP addresses automatically by DHCP, or
• assign IP addresses manually by entering individual IP addresses and Subnet mask.
Select an Art-Net port/universe from 00000 (Network 0 / Subnet 0 / Universe 0) to
32767 (Network 7 / Subnet 15 / Universe 255). Note that the first Art-Net universe is
considered to be universe number 00000, not 00001.
These settings will not be affected if you apply a Special Default command in the
fixture’s control panel or a Load setting defaults command on the Control/Settings
DMX channel.
Note that it is possible to transmit DMX data as broadcast or unicast packages via ArtNet. If a large number of universes (more than 30) is broadcast, data loss can occur. If
you suspect that this is happening, configure your console to unicast Art-Net DMX
packages to fixtures, or switch to sACN.
sACN
The fixture’s Ethernet port is suitable for connection to an sACN network. Use CAT 6 or
higher Ethernet cable only for this network.
To configure the fixture to receive control data via sACN, open the menus in the
fixture’s control panel and make the following settings:
In the first menu (root menu), set the fixture’s DMX address to a suitable address.
In the ArtNet/sACN menu, set Capture Mode to sACN.
Configure all fixtures with their own unique IP addresses. To do this, you can either:
• set fixtures to generate their own IP addresses by choosing the ranges 2.x.x.x or
10.x.x.x (Art-Net specification),
GLP impression E350 User Manual Rev. C 23
www.glp.de
• set fixtures to acquire IP addresses automatically by DHCP, or
• assign IP addresses manually by entering individual IP addresses and Subnet mask.
Select an sACN universe from 00001 to 63999.
These settings will not be affected if you apply a Special Default command in the
fixture’s control panel or a Load setting defaults command on the Control/Settings
DMX channel.
24 GLP impression E350
User Manual Rev. C
German Light Products®
6. Control menus and LCD display
Warning! DMX control is disabled when the control menus are active. Be
prepared for the head to move as soon as you exit the control menus.
The control panel and LCD display provide access to user settings, readouts, and
utilities.
When power is applied, the fixture resets and impression E350 appears in the display
panel. After the reset has completed, the main menu is displayed:
V:50/NE 3000
-127
Next
101
DMX Start Address
128
Mode Enter
Figure 13. Control panel
See Figure 13. From left to right, the top line of the main menu displays:
• Main CPU software version
• Pan, tilt, and zoom modes: N (Normal) or I (inverse)
• Dimming curve: L (Linear) or E (Extra Soft)
• PWM frequency.
GLP impression E350 User Manual Rev. C 25
www.glp.de
In the example shown in Figure 13:
• The fixture is running CPU software version 50
• Pan, Tilt and Zoom are Normal
• Dimming is Extra-soft
• The current PWM frequency is 3000 Hz
• The fixture’s DMX start address is 101, it uses DMX channels 101 – 127, and DMX
channel 128 is available for use as the start address of the next device on the DMX
link.
A flashing display indicates loss of DMX.
To use the control panel:
• Use the Jog wheel to scroll up and down through menu options.
• Press the Enter button to select a setting, confirm a command or enter a submenu.
• Press the Mode button to escape and return to the top of the menu.
26 GLP impression E350
User Manual Rev. C
German Light Products®
7. Control menu layout
DMX Start
Address
Special
1 - 512 Set DMX start address
Set Dimming
Mode
Show Errors Execute
No DMX
Set PWM
Frequency
Focus
Tracking
Mode
Shortcut
Set Fan
Mode
Esoft
Lin
Blackout
Hold
Stand-Alone
DMX Shot
2200 Hz
3000 Hz
4800 Hz
9600 Hz
25 000 Hz
OFF
Near
Medium
Far
ON
OFF
Regulated (REG)
Low
Medium
High
Select dimming curve:
Extra Soft / Linear
Display any stored
errors
Fixture blacks out if
DMX signal stops
Fixture continues to
display current effect
if DMX signal stops
Fixture displays its
stand-alone scene if
DMX signal stops
Fixture stores the
scene it is currently
displaying as its standalone scene
Set PWM frequency
Set zoom / focus
tracking distance
Effect wheel shortcuts
(pass through open)
Fan speed
temperatureregulated
Fan speed constant:
low / medium / high
GLP impression E350 User Manual Rev. C 27
www.glp.de
Onboard display
Set Display
Mode
Normal (NORM)
ON
OFF
panel sleeps after 30
seconds
Onboard display
panel constantly on
Onboard display
panel constantly off
Load setting defaults
(return custom user
Default Execute
settings to default
values – does not
affect DMX address
and IP configuration)
Special
(continued)
Temperature
LED
Temperature
main
Temperature
base
Boot count XXX
XXX° LED PCB temperature
XXX°
Main PCB
temperature
XXX° Base PCB temperature
Number of startups
since manufacture
(non-resettable)
Operating hours since
Fixture hours XXX
manufacture (nonresettable)
Main
Artnet/WDMX
Fixture firmware
version
Art-Net / WDMX driver
version
LED Driver
Color Driver
Version Infos
Head Driver
Effect Driver
Pan Driver
Driver versions
Tilt Driver
Main Fan Driver
LED Fan Driver
Color Fan Driver
28 GLP impression E350
User Manual Rev. C
German Light Products®
Pan Offset
Tilt Offset
Zoom Offset
Focus Offset
Prism Position
Manually control all
effects
See DMX values being
received on each
DMX channel
Select control signal
type
Fixture generates its
own IP address in
range 2.X.X.X or
10.X.X.X based on its
MAC address
Manual IP address
setting: fixture uses
settings entered in
ArtNet Manual menu
(see below)
IP address
dynamically assigned
by DHCP server
Special
(continued)
Adjust
Manual
DMX
DMX Input
ArtNet/sACN
Key code
Enter
value
Scroll through DMX channels
Enter value
Scroll through DMX channels
Press Enter to view value
Capture
Mode
ArtNet IP
Mode
GLP impression E350 User Manual Rev. C 29
www.glp.de
ArtNet IP1
ArtNet IP2
ArtNet IP3
ArtNet IP4
Set 1st three digits…
Set 2nd three digits…
Set 3rd three digits…
Set 4th three digits…
…of Art-Net IP address
Special
(continued)
ArtNet/sACN
(continued)
ArtNet
Manual
Subnet 1
Subnet 2
Subnet 3
Subnet 4
Set 1st three digits…
Set 2nd three digits…
Set 3rd three digits…
Set 4th three digits…
…of subnet
ArtNet port
sACN universe
Status
Set Art-Net port (ArtNet universe)
Set sACN universe
Art-Net status
Display Flip ON / OFFInvert onboard display
Position
Feedback
ON / OFF
Enable/Disable
Pan/Tilt position
feedback
Reverse Pan ON / OFF Invert Pan
Reverse Tilt ON / OFF Invert Tilt
Reverse
Zoom
ON / OFF
Invert Zoom
from Wide Spot
to Spot Wide
Reset Pan/Tilt only Reset Pan and Tilt
Reset head only
Reset effects and
processes in head
Reset Reset entire fixture
Default values are shown in bold type.
Settings that can be adjusted or functions that can be run by the user are displayed in
grey boxes.
Color 01 – Congo blue (UV)
Color 02 – Green
Color 03 – Orange
Color 04 – Magenta
Color 05 – Blue
Color 06 – CTC 1
Color 07 – CTC 2
Color 08 – CTC 3
Color 09 – Minus green
Color 10 – Red
Color wheel indexing 0 – 360°
(continuous color changing)
Color wheel rotation CW
fast – slow
Color wheel rotation stop
Color wheel rotation CCW
slow – fast
8000 K
7900 K
7800 K
7700 K
7600 K
7500 K
7400 K
7300 K
7200 K
7100 K
7000 K
6900 K
6800 K
6700 K
6600 K
6500 K
6400 K
6300 K
6200 K
6100 K
6000 K
5900 K
5700 K
5600 K
5500 K
5400 K
5300 K
5200 K
5100 K
5000 K
4900 K
4800 K
4700 K
4600 K
4500 K
4400 K
4300 K
4200 K
4100 K
4000 K
3900 K
3800 K
3700 K
3600 K
3500 K
3400 K
3300 K
3200 K
3100 K
3000 K
2900 K
2800 K
2700 K
2600 K
2500 K
LED cluster FX 01 Chaser
LED cluster FX 01 Crossfade
LED cluster FX 02 Chaser
LED cluster FX 02 Crossfade
LED cluster FX 03 Chaser
LED cluster FX 03 Crossfade
LED cluster FX 04 Chaser
random
LED cluster FX 04 Crossfade
random
No function
* Move from zero and hold value for 3 seconds to apply
** Move from zero and hold value for 5 seconds to apply
Notes:
Percentage values are calculated by dividing DMX values by 2.56 and rounding to the
nearest 0.1%.
To apply a command on Channel 25 (Special / Control), start at a value of zero, then
move to the required value and hold it for the required time (e.g. 3 seconds). If you
move to the required value from any other value than zero, the command will not be
applied.
To adjust the PWM frequency using the Special / Control channel, start at a value of
zero, move to the required value and hold it for at least 5 seconds.
Default settings are written in bold type.
GLP impression E350 User Manual Rev. C 37
www.glp.de
9. Troubleshooting
The checklist below may help you troubleshoot in the unlikely event that a problem
occurs while using the product.
Symptom Possible cause Suggested action
No response from
fixture.
Fixture resets
correctly but
does not respond
(or does not
respond
correctly) to the
controller.
No power to fixture.
Fuse blown or internal
fault.
Bad data link.
Data link not
terminated.
Incorrect fixture
addressing.
Check that power is turned on.
Check cables and connections.
Contact GLP Service or authorized
service partner. Do not remove base
or yoke covers. Do not attempt to
replace a fuse or carry out any
repairs or service that are not
described in this User Manual unless
you have both authorization from
GLP and official GLP service
documentation.
Inspect connections and cables.
Correct poor connections. Repair or
replace damaged cables.
Insert DMX termination plug in data
output socket of last fixture on data
link.
Check fixture address and DMX
mode settings.
Error after fixture
reset.
Mechanical
effect loses
position.
Light output cuts
out intermittently.
A fixture is defective
and is disturbing data
transmission on the
link.
Effect requires
mechanical
adjustment.
Mechanical train
requires cleaning,
adjustment, or
lubrication.
Fixture too hot. Allow fixture to cool. Reduce ambient
Unplug DMX IN and THRU connectors
and connect them directly together
to bypass one fixture at a time until
normal operation is regained. Have
defective fixture serviced by an
authorized technician.
Check fixture’s software version and
error messages for more information.
Contact GLP Service or authorized
GLP service partner.
Check fixture’s software version and
error messages for more information.
Contact GLP Service or authorized
GLP service partner.
temperature. Ensure free airflow
around fixture. Clean fixture if
necessary.
38 GLP impression E350
User Manual Rev. C
German Light Products®
10. Caring for your product
Cleaning
The buildup of dust, dirt and other airborne particles will reduce the fixture’s light
output. It will also prevent the fixture from cooling correctly, and this will reduce the
fixture’s lifetime. The rate of dirt buildup will vary depending on environmental factors
such as airborne dust, use of smoke machines, airflow from ventilation systems, etc. The
fixture’s cooling fans will accelerate buildup, and any smoke particles that are present
in the atmosphere will increase the tendency for dirt to clog.
To get the best performance and lifetime from the fixture, inspect it regularly and clean
it as soon as you see signs of dirt buildup. Assess the operating environment each time
you begin to use the fixture. In dusty or smoky conditions, inspect the fixture after a few
hours and check it frequently – the fixture may attract dirt faster than you expect.
Draw up a cleaning schedule that will make sure that dirt is removed before it can
build up.
Use the following guidelines:
• Disconnect the fixture from power and allow it to cool completely before cleaning.
• Do not use solvents, abrasives or any other aggressive product to clean the fixture.
• Vacuum or use low-pressure compressed air to remove dust and loose particles from
surfaces and air vents. Prevent the blades of cooling fans from turning before you aim
a vacuum or air jet at the fan, or you may spin the fan too fast and damage it.
• Clean glass components by wiping gently with a soft, clean, lint-free cloth moistened
with a weak detergent solution. Put the solution on the cloth, not on the surface to be
cleaned. Avoid rubbing glass surfaces. If particles are stuck to the glass, try to lift them
off by dabbing them repeatedly with a cotton swab or moistened lint-free cloth.
• Dry the fixture with a soft, clean, lint-free cloth or low-pressure compressed air before
reapplying power.
Lubrication
The fixture does not normally need lubrication. If any moving parts show signs of rough
movement, consult a GLP service partner.
GLP impression E350 User Manual Rev. C 39
www.glp.de
11. Technical specifications
Light source
LED type: 350 W white (7500 K) LED engine
LED lifetime: >20 000 hours (to >70% luminous output)
CRI (Color Rendering Index), Ra: 77
CQS (Color Quality Scale): 73
TLCI (Television Lighting Consistency Index): 57
TM-30 Rf (IES TM-30-15 Fidelity Index): 97
TM-30 Rg (IES TM-30-15 Gamut Index): 72
Control systems: DMX, RDM
Onboard interface: Battery-powered control panel with backlit graphic display
DMX channels: 27
16-bit control: Dimming, focus, gobo indexing, gobo rotation, pan and tilt
DMX compliance: USITT DMX512-A
RDM compliance: ANSI/ESTA E1.20
40 GLP impression E350
User Manual Rev. C
German Light Products®
Transceiver: RS-485
Receiver: Opto-isolated RS-485
Wireless DMX: Optional via Lumenradio CRMX PCB plugin
Art-Net and sACN: via Ethernet
Fixture software update: Via DMX link with GLP interface or RJ-45
Standalone: DMX ‘snapshot’ recorded via DMX, can auto start at power on
Installation
Orientation: Any
Location: Dry location only, fastened to surface or structure or free standing on
supplied tripod floor stand
Mounting points: 4 x camlock fastener points, 2 x M10 threaded holes
Eyelets in fixture base for safety cable attachment
Minimum distance to illuminated surfaces: 2.0 m (6.6 ft.)
Minimum distance to combustible materials: 0.2 m (8 in.)
Connections
AC mains power in: Neutrik powerCON TRUE1
DMX and RDM data in and out (thru), firmware upload: 5-pin XLR
Art-Net, sACN: Neutrik etherCON
Electrical
AC power: 100-240 V, 50/60 Hz
Maximum power consumption @230 V: 550 W
Minimum power consumption (all effects static, zero light output): 80 W typical
Primary fuse: 20 mm T 5A
EEC (Energy Efficiency Class): D
EEI (Energy Efficiency Index): 1.193
Energy consumption (kWh/1 000 h): 68
Thermal
Cooling: Combined convection and temperature-regulated forced air
Cooling management: Four fan operation modes
Thermal protection system
Maximum surface temperature: 55° C / 131° F
Maximum ambient temperature: 45° C / 115° F
Minimum ambient temperature: 5° C / 41° F
Gobo diameter: 26.9 mm / 1.059 in.
Max. image diameter: 21.5 mm / 0.846 in.
Gobo thickness: 1.1-1.4 mm / 0.043-0.055 in.
Material: Borosilicate 3.3 or better with dichroic or heavy matted aluminum coating
GLP impression E350 User Manual Rev. C 41
www.glp.de
Included items
Power cable (depending on region):
- US power cable: 16 A, 14 AWG, UL listed, E304117, SJT, 4.9 ft.
- EU power cable: 16 A, 1.5mm², H05VV-F, 1.5 m
Detachable tripod floor stand
Shipping options
Single product: Cardboard packing case
Tour packs: 2-fixture flightcase
Dimensions and weight
Depth (head horizontal): 474 mm / 18.8 ins.
Width (across yoke): 471 mm / 18.5 ins.
Height (head vertical): 642 mm / 25.3 ins.
Height (head vertical, with tripod): 672 mm / 26.5 ins.
Weight: 24.5 kg / 54.1 Ibs.
42 GLP impression E350
User Manual Rev. C
German Light Products®
12. Dimensions
GLP impression E350 User Manual Rev. C 43
Protecting the environment
GLP products are supplied in compliance with Directive 2012/19/EC of the
European Parliament and of the Council of the European Union on WEEE
(Waste Electrical and Electronic Equipment), where applicable.
Help preserve the environment. Ensure that this product is recycled at the end
of its life. Your supplier can give details of local arrangements for the disposal of
GLP products.
This product contains a lithium battery. Ensure that it is disposed of correctly and responsibly
by an authorized recycling or waste disposal center at the end of its life. Where applicable,
GLP participates in schemes that aim to ensure that local recycling and/or waste disposal
centers accept batteries from GLP products.
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