ARRI | ARRI RCU-4 | User manual | ARRI ARRI RCU-4 User manual

User Manual
Remote Control Unit for
Printed on 7 January, 2013
All rights reserved.
This document is provided under a license agreement containing restrictions
on use and disclosure and is also protected by copyright law.
Due to continued product development this information may change without
notice. The information and intellectual property contained herein is
confidential between ARRI and the client and remains the exclusive property
of ARRI. If you find any problems in the documentation, please report them
to us in writing. ARRI does not warrant that this document is error-free.
Arnold & Richter Cine Technik
Tuerkenstr. 89
D-80799 Munich
This instruction manual applies to the following hardware:
Document revision history
18th Oct 2010
7th Jan 2013
ARRI RCU-4 User Manual
Before using the products described in this manual be sure to read and
understand all respective instruction.
The ARRI ALEXA is only available to commercial customers. The customer
grants by utilization that the ARRI ALEXA or other components of the system
are deployed for commercial use. Otherwise the customer has the obligation
to contact ARRI preceding the utilization.
While ARRI endeavors to enhance the quality, reliability and safety of their
products, customers agree and acknowledge that the possibility of defects
thereof cannot be eliminated entirely. To minimize risk of damage to property
or injury (including death) to persons arising from defects in the products,
customers must incorporate sufficient safety measures in their work with the
system and have to heed the stated canonic use.
ARRI or its subsidiaries do not assume any responsibility for incurred losses
due to improper handling or configuration of the camera or other system
components, due to sensor contamination, occurrence of dead or defective
pixels, defective signal connections or incompatibilities with third party
recording devices.
ARRI assumes no responsibility for any errors that may appear in this
document. The information is subject to change without notice.
For product specification changes since this manual was published, refer to
the latest publications of ARRI data sheets or data books, etc., for the most
up-to-date specifications. Not all products and/or types are available in every
country. Please check with an ARRI sales representative for availability and
additional information.
Neither ARRI nor its subsidiaries assume any liability for infringement of
patents, copyrights or other intellectual property rights of third parties by or
arising from the use of ARRI products or any other liability arising from the
use of such products. No license, express, implied or otherwise, is granted
under any patents, copyrights or other intellectual property right of ARRI or
ARRI or its subsidiaries expressly exclude any liability, warranty, demand or
other obligation for any claim, representation, or cause, or action, or
whatsoever, express or implied, whether in contract or tort, including
negligence, or incorporated in terms and conditions, whether by statue, law
or otherwise. In no event shall ARRI or its subsidiaries be liable for or have a
remedy for recovery of any special, direct, indirect, incidental, or
consequential damages, including, but not limited to lost profits, lost savings,
lost revenues or economic loss of any kind or for any claim by third party,
downtime, good-will, damage to or replacement of equipment or property,
any cost or recovering of any material or goods associated with the
assembly or use of our products, or any other damages or injury of the
persons and so on or under any other legal theory.
In the case one or all of the foregoing clauses are not allowed by applicable
law, the fullest extent permissible clauses by applicable law are validated.
ARRI is a registered trademark of Arnold & Richter Cine Technik GmbH &
Co Betriebs KG.
Note: This product and the accessories recommended by the manufacturer fulfill the
specifications of the European Directive 2004/108/EC (15th December 2004).
ARRI RCU-4 User Manual
This product contains licensed technology from Linotype.
This product meets CE regulations.
ARRI RCU-4 User Manual
Safety Instructions
Any violation of these safety instructions or non-observance of personal care
could cause serious injuries (including death) to users and affiliates and
damage to the equipment or other objects.
Explanation of Warning Signs and
Indicates a possible risk of injury or damage to the equipment
Indicates the risk of electric shock or fire danger that could result in
injury or damage to the equipment.
Note: Indicates further information or information from other instruction manuals
General Safety Instructions
Always follow these instructions to ensure against injury to yourself or
others and damage to the system or other objects.
This safety information is in addition to the product specific operating
instructions in general and must be strictly observed for safety
Read and understand all safety and operating instructions before you
operate or install the system!
Retain all safety and operating instructions for future reference.
Heed all warnings on the system and in the safety and operating
instructions before you operate or install the system. Follow all
installation and operating instructions.
Do not use accessories or attachments that are not recommended by
ARRI, as they may cause hazards and invalidate the warranty!
Do not attempt to repair any part of the system! Repairs must only be
carried out by authorized ARRI Service Centers.
6 Safety InstructionsSpecific Safety Instructions
Specific Safety Instructions
Do not remove any safety measures from the system!
Do not operate the system in areas with humidity above operating
levels or expose it to water or moisture!
Do not subject the system to severe shocks!
Do not place the system on an unstable trolley/hand truck, stand,
tripod, bracket, table or any other unstable support device! The
system may fall, causing serious personal injury and damage to the
system or other objects.
Operate the system using only the type of power source indicated in
the manual! Unplug the power cable by gripping the power plug, not
the cable!
Never insert objects of any kind into any part of the system if not
clearly qualified for the task in the manual, as objects may touch
dangerous voltage points or short out parts! This could cause fire or
electrical shock.
Unplug the system from the power outlet before opening any part of
the system or before making any changes to the system, especially
the attaching or removing of cables!
Do not use solvents to clean!
Do not remove any stickers or paint marked screws!
General Precautions
Storage and Transport 7
General Precautions
Storage and Transport
All cables have to be unplugged from the RCU-4 when it is
transported or stored inside a case.
Do not store the RCU-4 in places where it is subject to extreme
temperatures, direct sunlight, high humidity, severe vibration, or near
strong magnetic fields.
Electromagnetic Interference
The RCU-4 meets EC regulations by fulfilling the specifications of the
European Directive 2004/108/EC (15th December 2004).
This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user
will be required to correct the interference at his own expense.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
Power Supply
Only use recommended power supply solutions.
Manipulation of power supplies can result in severe damage to the
equipment and humans, including death.
The RCU4 accepts an input voltage range from 10.5 to 34 V DC.
ARRI RCU-4 User Manual
RCU-4 Image
Figure 1: RCU-4
The RCU-4 is a compact and robust remote control unit for the ARRI ALEXA
camera. It mirrors the controls of the camera’s right side. For information on
how to control the camera, please refer to the current ARRI ALEXA User
Manual, which can be downloaded from the ARRI website:
Part List
Order numbers
RCU-4 Remote Control Unit for ALEXA
Pack list
RCU-4 Remote Control Unit for ALEXA
RCU-4 Protective Cover
KC 157-S ALEXA Ethernet Remote
Cable 2m (6.5’)
RCU-4 User Manual
ARRI RCU-4 User Manual
Additional accessories
(separately available)
KC 158-S ALEXA Ethernet Remote
Cable 1m (3.25’)
KC 159-S ALEXA Ethernet Extension
Cable 15m (50’)
ARRI Shoulder Strap
UMA-120 Universal Mounting Arm
120mm length
UMA-240 Universal Mounting Arm
240mm length
Connecting the RCU-4 to an ALEXA
The RCU-4 is connected to the camera by cable.
Two different cable lengths are available:
Order number
KC 157-S
2m (6.5’)
KC 158-S
1m (3.25’)
Connect the male plug of the cable (black cable sleeve) to the
ETHERNET port of the camera and the female plug (blue cable
sleeve) to the RCU-4.
Either cable can be extended with an extension cable. Please note
that the extension cable on its own cannot connect the RCU-4 to the
KC 159-S
15m (50’)
Multiple extensions can be connected to each other, however, the
maximum allowed cable length between camera and RCU-4 is 47m
(154’). Thus three KC 159-S plus one KC 157-S can be combined.
Note: Do not kink the cables! The minimum allowed bending radius is 70mm (2.75”).
ARRI RCU-4 User Manual
RCU-4 Power on:
After connecting the RCU-4 to the camera, make sure the camera is
powered on, then press the RCU-4 power button. The RCU-4 will take
approx. 25 seconds to boot.
RCU-4 Power off:
Press the power button. The power off screen will appear. Then press
the lower right screen button to switch off the power.
Note: The RCU-4 must be connected to a camera to be powered. Disconnecting the
RCU-4 from a camera will result in immediate shutdown of the RCU-4 due to loss of
Note: The RCU-4 power button only affects the RCU-4, not the camera.
To lock or unlock the RCU-4, press the LOCK button. The lock screen
will appear. Press the lower right screen button to lock/unlock the
Note: Locking/unlocking the RCU-4 does not affect the camera.
RCU-4 settings:
Go to MENU>System>RCU-4 settings to change the following
Display brightness
Changes the brightness of the RCU4 display
Button brightness
Changes the brightness of the RCU4 button illumination
Inverse wheel direction
Inverses the scroll direction of the
RCU-4 wheel
Reset RCU-4 settings
Resets the variable values to their
factory default
Note: these settings only appear in the menu of the RCU-4.
ARRI RCU-4 User Manual
Firmware update:
When powering the RCU-4, it will automatically compare its firmware
version to the one installed on the camera. When the two versions do
not match, the RCU-4 will receive the matching version from the
camera via the Ethernet cable. This can take some time. When the
firmware update is complete, the RCU-4 can be used normally with
the camera.
Note: The RCU-4 cannot be used with cameras that have a firmware version prior to
SUP 3.1 installed.
Protective cover:
The RCU-4 can be used with or without the protective cover.
On the back of the RCU-4 is a 3/8-16 threaded mounting point with
location pin holes. You can use the following arms to mount the RCU4 to the camera:
Order number
Univ. Mounting Arm 120mm length
Univ. Mounting Arm 240mm length
Dimensions (values in brackets including cover):
Weight w/o cable:
For information on how to control the camera, please refer to the
current ARRI ALEXA User Manual, which can be downloaded from
the ARRI website:
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