Robe Robin BMFL FollowSpot User manual

1

Version 1.5

2

Table of contents

1. Safety instructions ......................................................................................................... 3

2. Operating determination ................................................................................................ 4

3. Fixture exterior view ...................................................................................................... 5

4. Installation....................................................................................................................... 6

4.1 Connection to the mains ............................................................................................ 6

4.2 Installing the lamp ...................................................................................................... 7

4.3 Lamp adjustment ....................................................................................................... 7

4.4 Replacing colour lters ............................................................................................... 8

4.5 Replacing the heavy frost .......................................................................................... 9

4.6 Installing the camera ............................................................................................... 10

4.7 Rigging the xture .................................................................................................... 11

4.8 DMX-512 connection ................................................................................................ 14

4.9 Ethernet connection ................................................................................................. 15

5. Remotely controllable functions ................................................................................. 17

6. Control menu map ........................................................................................................ 19

7. Control menu ............................................................................................................... 22

7.1 Tab " Address" .......................................................................................................... 23

7.2 Tab "Information" ...................................................................................................... 24

7.3 Tab "Personality" ...................................................................................................... 26

7.4 Tab "Manual Control" ................................................................................................ 28

7.5 Tab "Stand-alone" .................................................................................................... 28

7.6 Tab "Service" ............................................................................................................ 29

7.7 Icon "Lamp menu" .................................................................................................... 31

8. RDM ............................................................................................................................... 32

9. Wireless DMX operation .............................................................................................. 33

10. Error and information messages .............................................................................. 34

11. Technical Specications ............................................................................................ 37

12. Maintenance and cleaning ......................................................................................... 42

12.1 Disposing of the product ........................................................................................ 43

13. ChangeLog .................................................................................................................. 43

Robin BMFL FollowSpot

3

CAUTION!

Keep this device away from rain and moisture!

Unplug mains lead before opening the housing!

FOR YOUR OWN SAFETY, PLEASE READ THIS USER MANUAL CAREFULLY

BEFORE YOU INITIAL START - UP!

1. Safety instructions

Every person involved with installation and maintenance of this device have to:

- be qualied

- follow the instructions of this manual

CAUTION!

Be careful with your operations.

With a high voltage you can suer

a dangerous electric shock when touching the wires!

This device has left our premises in absolutely perfect condition. In order to maintain this condition and to en-

sure a safe operation, it is absolutely necessary for the user to follow the safety instructions and warning notes

written in this manual.

Important:

The manufacturer will not accept liability for any resulting damages caused by the non-observance of this

manual or any unauthorized modication to the device.

Please consider that damages caused by manual modications to the device are not subject to warranty.

During the operation the housing becomes hot). Allow the xture to cool approximately 20 minutes prior to

manipulate with it.

Make sure that the available voltage is not higher than stated on the rear panel.

WARNING! This unit does not contain an ON/OFF switch. Always disconnect power input cable

to completely remove power from unit when not in use or before cleaning or servicing the xture.

Make sure that the power-cord is never crimped or damaged by sharp edges. Check the device and the pow-

er-cord from time to time.

Always disconnect from the mains, when the device is not in use or before cleaning it. Only handle the pow-

er-cord by the plug. Never pull out the plug by tugging the power cord.

This device falls under protection class I. Therefore it is essential to connect the yellow/green conductor to earth.

The electric connection, repairs and servicing must be carried out by a qualied employee.

Do not connect this device to a dimmer pack.

Do not switch the xture on and o in short intervals as this would reduce the lamp’s life.

During the initial start-up some smoke or smell may arise. This is a normal process and does not necessarily

mean that the device is defective.

Do not touch the device’s housing bare hands during its operation (housing becomes hot)!

For replacement use lamps and fuses of same type and rating only.

CAUTION ! EYE DAMAGES !

Avoid looking directly into the light source

(meant especially for epileptics) !

4

2. Operating determination

This device is a moving head for creating decorative eects and was designed for indoor use only.

This device is for professional use only. It is not for household use.

If the device has been exposed to drastic temperature uctuation (e.g. after transportation), do not switch it on

immediately. The arising condensation water might damage your device. Leave the device switched o until

it has reached room temperature.

Before switching the xture OFF, turn the lamp OFF and allow the xture to cool for a while.

Attention: The powerCON is a connector without breaking capacity, i.e. the powerCON

should not be connected or disconnected under load or live!

Never run the device without lamp!

Do not shake the device. Avoid brute force when installing or operating the device.

Never lift the xture by holding it at the projector-head, as the mechanics may be damaged. Always hold the

xture at the transport handles.

When choosing the installation-spot, please make sure that the device is not exposed to extreme heat, moisture

or dust. There should not be any cables lying around. You endanger your own and the safety of others!

The minimum distance between light output and the illuminated surface must be more than 8 meters.

Make sure that the area below the installation place is blocked when rigging, derigging or servicing the xture.

Always x the xture with an appropriate safety rope. Fix the safety rope at the correct holes only.

Only operate the xture after having checked that the housing is rmly closed and all screws are tightly fastened.

The lamp must never be ignited if the objective lens or any housing cover is open, as discharge lamps may

explode and emit a high ultraviolet radiation, which may cause burns.

The maximum ambient temperature 45°C must never be exceeded.

CAUTION!

The lens has to be replaced when it is obviously damaged,

so that its function is impaired, e. g. due to cracks or deep scratches!

Operate the device only after having familiarized with its functions. Do not permit operation by persons not

qualied for operating the device. Most damages are the result of unprofessional operation!

CAUTION!

The lamp shall be changed if it has become damaged or thermally deformed

Please use the original packaging if the device is to be transported.

Please consider that unauthorized modications on the device are forbidden due to safety reasons!

If this device will be operated in any way dierent to the one described in this manual, the product may suer

damages and the guarantee becomes void. Furthermore, any other operation may lead to dangers like short-cir-

cuit, burns, electric shock, burns due to ultraviolet radiation, lamp explosion, crash etc.

NOTE!

If the lamp is o (and xture is connected to mains), both colour wheels

cannot be controlled by the control panel or DMX command.

To control them, switch the lamp on.

CAUTION!

To avoid damage of the internal parts of the xture head, never let the sunlight or other

xture lights directly to the front lens , even when the xture is not working !

5

3. Fixture exterior view

Front panel of the base:

1 - Touch screen

2 - ESCAPE button

3 - NEXT button

4 - PREVIOUS button

5 - ENTER/DISPLAY ON button

6 - Dust lter

7 - USB port

The head should be locked for transportation - the tilt lock and the pan lock have to be in the locked positions.

To unlock the head, move these latches to unlock positions before operating the xture.

1 - Front lens

2 - RoboSpot Camera (if the xture is

equiped with a camera)

3 - Yoke

4 - Base

5 - Handle

6 - Moving head

The ENTER/DISPLAY ON button also serves for switching the display on when the xture is disconnected

from the mains.

Rear panel of the base:

1 - DMX output (5-pin XLR)

2 - DMX input (5-pin XLR)

3 - Ethernet input (RJ45)

4 - Fuse holder

5 - Camera output (RJ 45)

6 - Power input (Neutrik

PowerCon)

6

4. Installation

Fixtures must be installed by a Qualied electrician in accordance with all

national and local electrical and construction codes and regulations.

4.1 Connection to the mains

For protection from electric shock, the xture must be earthed!

The Robin BMFL FollowSpot is equipped with auto-switching power supply that automatically adjusts to any

50-60Hz AC power source from 200-240 Volts. The xture is protected by one 12 A blow primary fuse.

If you install a cord cap on the power cable to allow connection to power outlets, install a grounding-type (earthed)

plug, following the plug manufacturer’s instructions.

To apply power, rst check that the head pan and tilt locks are released.

The cores in the power cable are coloured according to the following table.

Core (EU) Core (US) Connection Plug Terminal Marking

Brown Black Live L

Light blue White Neutral N

Yellow/Green Green Earth

The earth has to be connected!

If you have any doubts about proper installation, consult a qualied electrician.

Attention: The powerCON is a connector without breaking capacity,

i.e. the powerCON should not be connected or disconnected under load or live!

Do not connect the xture to a dimmer system!

7

4.2 Installing the lamp

DANGER ! Unplug from mains before lamp installing !

To insert the new lamp.

1. Disconnect the xture from power and allow it to cool at least 20 minutes.

2. Make sure that the xture´s head is in the position as

shown on the picture (notices on the lamp cover are in

a readable position) .Loosen the three quarter-turn

fasteners (1) on the lamp cover to

open this cover.

3. Holding the lamp by its ceramic base, carefully

turn the lamp to the left to loosen the lamp from

the lamp holder.

Gently pull the lamp out of the lamp holder

4. Holding the new lamp by its ceramics base and keeping its orientation

as shown at the picture below,

gently insert the lamp to the lamp holder and turn its base to the right until two lamp electrodes snap

into slots in the lamp holder. Make sure that the lamp is installed tightly into the lamp socket.

Do not install a lamp with a higher wattage! A lamp like this generates temperatures the device is not de-

signed for. Damages caused by non-observance are not subject to warranty.

Please follow the lamp manufacturer‘s notes! Do not touch the glass bulb bare hand during the

installation!

5. Re-insert the lamp cover and tighten the three quarter-turn

fasteners (1).

6. Switch on the xture.

7. Align the lamp (see instructions below)

8. Reset the "Lamp On Time” and "Lamp Strikes” counters

in the menu "Information”.

Do not operate this xture with open lamp cover!

4.3 Lamp adjustment

The lamp holder is aligned at the factory. Due to dierences between lamps,the ne adjustment may improve

light performance:

To adjust the lamp in the xture.

1. Switch on the xture and after its reset turn on the

lamp.

2. Go to the "Service" menu and select the item "Adjust

Lamp" to project the light beam on the wall.

3. Use items in this menu to focus the light beam

4

.

Turn adjustment screws (2) one after another until you

c

enter the hot spot (the brightest part of the beam) and

reach a max. light intensity at desired light distribution.

8

4.4 Replacing colour lters

Unplug from mains before colour lters replacing!

1. Disconnect the xture from mains and allow it to cool for 20 minutes.

2. Remove the plastic cover of the head by loosening the 4 quarter-turn fasteners on the cover.

3. Turn the colour wheel 2 to the suitable position.

The dichroic lters are xed on the colour wheel by the magnets.

4. Release the dichroic lter (1) from the colour wheel 2 by inclining it from its position

to break the power of the magnet

. Protect the glass lter with a piece of paper or clout.

5. Insert a new dichroic lter into the colour wheel 2.

6. Place the top cover back before applying power.

9

4.5 Replacing the heavy frost

Unplug from mains before frost installing!

1. Disconnect the xture from mains and allow it to cool for 20 minutes.

2. Move the head to the position that signs on the lamp cover (1) lead up

3. Remove plastic cover of the head by loosening the 4 quarter-turn fasteners on the cover.

4. Move the zoom module

(2) towards front lens to get access to heavy frost (3).

5

. The holder (4) of the frost lm is fastened to the frost holder (8) by means of the four magnets (5). Grip the

holder (4) and carefully tilt it out to break a force of magnets (5) on the frost holder (8).

6

. Insert a new frost module into the frost holder (8). Check, that both slots (6) snapped correctly into

two protrusions (7) on the holder (4)

7. P

lace the plastic cover back on the xture before applying power.

Note: If you look into the xture through a front lens (xture´s lamp must be o), you can see the heavy frost

number- white number at a black holder. It is an easy way how to nd out a type of installed heavy frost in the

xture without taking head cover down. Heavy frost No. 20 is installed in the xture as default, another frosts

10° and 30° are included as standard accessories.

10

4.6 Installing the RoboSpot Camera

Unplug from mains before installing the camera

1. Disconnect the xture from mains and allow it to cool for 20 minutes.

2. Screw the camera (1) with holder (2) to the camera holder (3) by means of the three screws M3x8 (4)with

washers.

3. Connect the RJ 45 input of the FollowsSpot head with the camera by means of the RJ45 cable (5).

11

4.7 Rigging the xture

A structure intended for installation of the xture(s) must safely hold weight of the xture(s) placed on it. The

structure has to be certicated to the purpose.

The xture (xtures) must be installed in accordance with national and local electrical and construction codes

and regulation.

For overhead installation, the xture must be always secured with a safety wire that

can bear at least 10 times the weight of the xture

When rigging, derigging or servicing the xture staying in the area below the installation place, on bridges,

under high working places and other endangered areas is forbidden.

The operator has to make sure that safety-relating and machine-technical installations are approved by an

expert before taking into operation for the rst time and after changes before taking into operation another time.

The operator has to make sure that safety-relating and machine-technical installations are approved by a skilled

person once a year.

Allow the xture to cool for ten minutes before handling.

The projector should be installed outside areas where persons may walk by or be seated.

IMPORTANT! OVERHEAD RIGGING REQUIRES EXTENSIVE EXPERIENCE, including calculating working

load limits, installation material being used, and periodic safety inspection of all installation material and the

projector. If you lack these qualications, do not attempt the installation yourself, but use a help of professional

companies.

CAUTION: Fixtures may cause severe injuries when crashing down! If you have doubts concerning the safety

of a possible installation, do not install the xture!

The xture has to be installed out of the reach of public.

The xture must never be xed swinging freely in the room.

Danger of re !

When installing the device, make sure there is no highly inammable

material (decoration articles, etc.) in a distance of min. 1 m.

The minimum distance of 8 meters between light output from the moving head and the

lit objects must be kept!

CAUTION!

Use 2 appropriate clamps to rig the xture on the truss.

Follow the instructions mentioned at the bottom of the base.

Make sure that the device is xed properly! Ensure that the

structure (truss) to which you are attaching the xtures is secure.

The xture can be placed directly on the stage oor or rigged in any orientation on a truss without altering its

operation characte ristics .

For securing a xture to the truss, install two safety wires which can hold at least 10 times the weight of the

xture. Use only safety wires with snap hooks with screw lock gates.

.

12

Omega holders positions:

Truss installation

1. Bolt each clamp (1) to the omega holder (2) with M12 bolt and lock nut through the hole in the holder.

2. Fasten the omega holders to the bottom of the base by inserting both quick-lock fasteners (3) into

the holes of the base and tighten fully clockwise.

3. Clamp the xture on a truss (6) and tighten the rigging clamps.

4. Pull one safety wire (4) around the truss (6) and through the handle (7) and another safety wire (4) pull around

the truss (6) and through the handle (7) and lock the snap hooks through attachment point (5) as shown on

the picture below.

When installing xtures side-by-side,

avoid illuminating one xture with another!

DANGER TO LIFE!

Before taking into operation for the rst time,the installation has to be approved by

an expert!

1-Clamp

2-Omega holder

3-Quick-lock fastener

4-Safety wire

5-Attachment point

6-Truss

7-Handle

13

In order to protect the internal parts of the head from the sun, the function

HOME POSITION must be switched ON before switching the xture o.

The HOME POSITION function is located on the Power/Special functions channel (70-79 DMX). If the function

is on, the xture will automatically detect via G-sensor whether the xture is on the oor or hangs on the truss

or is mounted sideways on the truss and moves the pan and tilt to the position (including movement of zoom

and focus lenses to the front part of the head) in which the front lens of the head will always face down. Owing

this position of the xture head, there is not chance to burn internal parts of the head by the sun light.

14

4.8 DMX-512 connection

The xture is equipped with 5-pin XLR sockets for DMX input and output.

Only use a shielded twisted-pair cable designed for RS-485 and r 5-pin XLR connectors in order to connect

the controller with the xture or one xture with another.

DMX Output DMX Input

XLR mounting socket (rear view): XLR mounting plug (rear view):

If you are using the standard DMX controllers, you can connect the DMX output of the controller directly with

the DMX input of the rst xture in the DMX-chain. If you wish to connect DMX controllers with other XLR out-

puts, you need to use adapter cables.

Building a serial DMX-chain:

Connect the DMX-output of the rst xture in the DMX-chain with the DMX-input of the next xture. Always connect

one output with the input of the next xture until all xtures are connected. Up to 32 xtures can be connected.

Caution: At the last xture, the DMX-cable has to be terminated with a terminator. Solder a 120 Ω resistor

between Signal (–) and Signal (+) into a 3-pin (5-pin) XLR-plug and plug it in the DMX-output of the last xture.

1 - Shield

2 - Signal (-)

3 - Signal (+)

4 - Used for wireless DMX

5 - Used for wireless DMX

1 - Shield

2 - Signal (-)

3 - Signal (+)

4 - Used for wireless DMX

5 - Used for wireless DMX

15

4.9 Ethernet connection

The xtures on a data link are connected to the Ethernet with ArtNet communication protocol.The control soft-

ware running on your PC (or light console) has to support Art-Net protocol.

Art-Net communication protocol is a 10 Base T Ethernet protocol based on the TCP/IP.Its purpose is to allow

transfer of large amounts of DMX 512 data over a wide area using standard network technology.

IP address is the Internet protocol address.The IP uniquely identies any node (xture) on a network.

The Universe is a single DMX 512 frame of 512 channels.

The Robin MMX Blade is equipped with 8-pin RJ- 45 socket for Ethernet input.Use a network cable category 5

(with four “twisted” wire pairs) and standard RJ-45 plugs in order to connect the xture to the network.

RJ-45 socket (front view): RJ-45 plug (front view):

1- TD+ 5- Not connected

2- TD- 6- RX-

3- RX+ 7- Not connected

4- Not connected 8- Not connected

Patch cables that connect xtures to the hubs or LAN sockets are wired 1:1,that is,pins with the same numbers

are connected together:

1-1 2-2 3-3 4-4 5-5 6-6 7-7 8-8

If only the xture and the computer are to be interconnected,no hubs or other active components are needed.A

cross-cable has to be used:

1-3 2-6 3-1 4-8 5-7 6-2 7-5 8-4

If the xture is connected with active Ethernet socket (e.g. switch) the network icon will appear at the

bottom right corner of the screen:

Direct Ethernet operation

Connect the Ethernet inputs of all xtures with the Ethernet network.

Option “ Artnet" (gMaI or gMA2 or sACN) has to be selected from “Ethernet Mode” menu at each xture.

Set IP address (002.xxx.xxx.xxx / 010.xxx.xxx.xxx) and the Universe at each xture.

An advised PC setting: IP address: 002.xxx.xxx.xxx / 010.xxx.xxx.xxx (Dierent from xture IP addresses)

NET mask: 255.0.0.0

(DMX address=150) (DMX address=42) (DMX address=1)

IP addres=002.168.002.004 IP addres=002.168.002.003 IP addres=002.168.002.002

Universe=1 Universe=1 Universe=1

16

Ethernet / DMX operation

Option “ Artnet" (gMaI or gMA2 or sACN) has to be selected from “Ethernet Mode” menu at rst xture.

Option “Ethernet To DMX” has to be selected from the “Ethernet Mode” menu at the rst xture (connected to

the Ethernet) in the xture chain, next xtures have standard DMX setting.

Connect the Ethernet input of the rst xture in the data chain with the network. Connect the DMX output of this

xture with the input of the next xture until all xtures are connected to the DMX chain.

Caution: At the last xture, the DMX chain has to be terminated with a terminator. Solder a 120 Ω resistor

between Signal (–) and Signal (+) into a XLR-plug and connect it in the DMX-output of the last xture.

Example:

DMX address=1 DMX address=42 DMX address=150

IP addres=002.168.002.002

Universe=0

DMX address=1 DMX address=42 DMX address=150

IP addres=002.168.002.003

Universe=1

17

5. Remotely controllable functions

Lamp

The Osram Lok-it! HTI 1700/PS is a highly ecient, single-ended short-arc metal halide lamp with

6000 Kelvin colour temperature. The new Lok-it! plug’n’play system allows a quick one-touch lamp

replacement.

The xture allows three levels of the lamp power: 1700W, 1500W and Quiet (Quiet mode - the lamp power is

auto-controlled to ensure minimum noise of xture fans).

Note: It is also important to note, that the discharge lamp is a cold restrike type, that means, that the lamp has

to be cold before re-striking. For this reason, you have to wait a while after having switched the lamp o before

you can switch it on again.

Colour wheel 1

This wheel contains 6 dichroic lters + open.The colour wheel can be positioned between two adjacent colours

in any position. It is also possible to rotate the colour wheel continuously at dierent speeds ("Rainbow eect“

in both directions).

Colour wheel 2

This wheel contains 6 replaceable 'SLOT&LOCK' dichroic lters + open.The colour wheel can be positioned

between two adjacent colours in any position. It is also possible to rotate the colour wheel continuously at

dierent speeds ("Rainbow eect“ in both directions).

CMY+CTO colour mixing system

The CMY color mixing system is based on graduated cyan, magenta, and yellow colour lters. A continuous

range of colors may be achieved by varying the amount of each lter from 0 to 100%.

Frost

Frost modules provide 3 types of frost ( heavy, medium, light) to create desired wash light. The heavy frost can

be replaced with two another frost lters which are included.

Iris

Motorized adjustable iris, wide range of variable pulse eects.

Zoom

Motorized zoom unit allows zoom range between 5 °- 45° (open hole).

Focus

Motorized focus allows to focus beam from approx. 5 metres to innity.

Shutter unit

This unit is used for strobe eects with variable speed.

Dimmer unit

Smooth 0 - 100 % dimming is provided by the mechanical dimmer unit.

18

Pan/Tilt

Fast pan/tilt movement due to built-in electronic motion stabilizer. The electronic motion stabilizer ensures

precise position of the xture´s head during its movement and reduces its swinging when the truss shakes.

LightMaster/RoboSpot control

The Power/Special Functions channel oers 3 operating modes for control of the LightMaster (RoboSpot). You

can use a full control of the LightMaster (RoboSpot), fully disable LightMaster (RoboSpot) or leave two faders

and pan/tilt active only. These functions you can also nd on the Power channel of the following xtures: Robin

BMFL Spot/Blade/WashBeam.

LightMaster/RoboSpot enabled

DMX range of 240-244

LightMaster/RoboSpot disabled

DMX range of 245-249

(except two faders on handles and

pan/tilt).

Note. manual pan/tilt at LightMaster.

LightMaster/RoboSpot fully disabled

DMX range of 250-255

19

6. Control menu map

Default settings=Bold print

Tab Level 1 Level 2 Level 3 Level 4 Level 5 Level 6

Addressing DMX Address 001-512

DMX Presets Mode 1

Mode 2

View Selected Preset

Ethernet Settings Ethernet Mode Disable

ArtNet

gMAI

gMA2

sACN

Ethernet To DMX O, On

IP Address/Net Mask Default IP Address

Custom IP Address

Net Mask

ArtNet Universe 0-255

MANet settings MANetI/II Universe 01-256

MANet Session ID 01-32

sACN Settings sACN Universe 00001-32000

sACN Priority 0-255

Information Fixture Times Power On Time Total Hours

Resetable Hours

Lamp On Time Total Hours

Remaining hours

Lamp Strikes Total Strikes

Resetable Strikes

Air Filters Elapsed Time

Alert Period 10-300

Fixture Temperatures

Head Temperature Current

Maximum NonRes.

Maximum Res.

Ambient Temperature

Current

Maximum NonRes.

Maximum Res.

Base Temperature Current

Maximum NonRes.

Maximum Res.

DMX Values Pan

:

Dimmer Fine

Wireless State

Signal Quality

Unlink Wireless Adapter

Power Channel State

Software Versions Display System

Module M

Module G

Module P

Module O

Module C

Module D

Module S

Module F-A

Module F-B

20

Tab Level 1 Level 2 Level 3 Level 4 Level 5 Level 6

Wireless

Product IDs Mac Address

RDM UID

RDM Label

View Logs Fixture Errors

Fixture States Power On

Power O

Lamp On

Lamp O

Lamp On

Lamp O

Fixture Position

Fixture Temperatures Head Temperature

Ambient Temperature

Base Temperature

Personality User Mode User A Settings

User B Settings

DMX Presets Mode 1

Mode 2

View Selected Preset

DMX Input Wired input

Wireless input

Wireless In/XLR Out

Pan/Tilt Settings Pan Reverse O, On

Tilt Reverse O, On

Pan/Tilt Feedback O, On

Pan/Tilt mode Time

Speed

Pan/Tilt EMS On, O

Follow Spot Mode O

Soft

Medium

Hard

Microphone Sen-

sitivity

1-10-20

Blackout Settings Blackout During M.C. O, On

Blackout while: Pan/Tilt moving O, On

Colour Wheel Moving O, On

TimeOut Blackout O, On

Init Eect Positions Pan 0-255

:

Dimmer Fine 0-255

Screen Settings Display Intensity 1-10

Screen Saver Delay O-10min.

Touchscreen Lock O-10min.

Recalibrate Touchscreen

Display Orientation Normal

Inverted

Auto

Temperature Unit °C,°F

Fan Mode Auto

High

Dimmer Curve

Linear

Square Law

Date & Time Settings

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Robe Robin BMFL FollowSpot User manual

Robe Robin BMFL FollowSpot User manual

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