ARRI RCU-1 Instruction Manual
RCU-1
Instruction Manual
as of: May 1995
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RCU-1 Operating elements
function
switch
PHASE-key
REVREV FORFOR
READYREADY RUNRUN
ft
m
h:min
TC UB
fps
R
sec:f
MODEMODE
CAMCAM
RCURCU
PHASEPHASE RAMPRAMP
312 4
8765
PROG
rampramp
fps +fps +
ramp +ramp +
filter
jam
asy
end
bat
SETSET/ ▲SELSEL / ▼
)
fpsfps
)
)
RCU-1RCU-1
RCURCU
READY-LED
socket
REV / FOR
operation direction switch
RUN-LED
DISPLAY
MODE • SEL • SET
keys
mode selection
switch
RUN-key
RAMP-key
Indicator (square)
for the standard
display-mode
(RCU functions)
ft
m
h:min
TC UB
fps end
R
312 4
8765
PROG
filter
jam
asy
sec:f bat
READY-LED
green
communication has been established,
and a valid camera is recognised
red
if the camera´s operating direction
is not the same as that on the RCU-1,
or if the communication is interrupted
flashes red
during the communication test,
or if the attached camera
does not respond
REV / FOR
RUN-LED
operation direction switch
analog to the RUN-LED on the camera
(with a slight delay due to data transfer)
MODE • SEL • SET keys for display control
(analog to the display control on the camera)
CAM • RCU function switch
to select between
camera display with remote control,
or RCU functions
)
fps
mode selection switch
(RCU-1 functions)
ramp
)
fps+
ramp+
)
fpsfps
)
handwheel
PHASE
RUN
RAMP
keys for camera control
handwheel to adjust camera speed
and shutter angle manually
Remote Control Unit – 1
Safety Specifications
• In order to assure optimum performance,
it is essential to read this instruction manual.
Warning signs indicate
the possibility of operational error
or equipment damage!
• Assembly and initial operation should be carried
out only by persons who are already familiar
with the equipment!
• The warning signals in the display of the RCU-1
must be obeyed, please correct the settings of
values if necessary.
(
see chapter 6 – Warning Signs
• Use only original ARRI replacement parts
and accessories!
• Product Specifications
In case of enquiries or when ordering parts,
please advise product identification number
and type designation.
)
1
Remote Control Unit – 1
Contents
Safety Specifications ............................ 1
1. The System ........................................ 4
Range of Functions .................................. 5
2. Setup .................................................. 8
2. 1 Electrical Connection ......................... 8
2. 2 Switching on .................................... 9
2. 3 Important Notes ............................... 9
3. CAM Functions ................................ 11
4. RCU Functions ................................. 12
4. 1 )................................................ 13
Adjusting the shutter angle
with the handwheel ............................... 13
Defining end-stops for the handwheel
(shutter angle) ....................................... 14
4. 2 fps ................................................ 16
Adjusting the filming speed
with the handwheel ............................... 16
Defining end-stops for the handwheel
(filming speed) ...................................... 17
4. 3 ramp ............................................. 19
Recall an automatically
controlled speed ramp
with a user-defined ramping-time ............. 19
Selecting the start and the end value
for the filming speed .............................. 20
Entering the ramp duration ..................... 21
Checking the screen-time ........................ 23
2
Remote Control Unit – 1
4. 4 fps + )........................................ 24
Adjusting the filming speed
with an automatically synchronised
change of the shutter angle
for constant exposure............................. 24
Defining end-stops for the handwheel
(filming speed) ...................................... 25
Checking the shutter angle value limits ..... 27
4. 5 ramp + )..................................... 28
Recall an automatically controlled
speed ramp with a synchronised change
of the shutter angle
for constant exposure............................. 28
Selecting the start and the end value
for the filming speed .............................. 29
Checking the shutter angle value limits ..... 29
Entering ramp duration .......................... 30
Checking the screen-time ........................ 31
5. Reverse Operation ........................ 33
6. Warning Displays .......................... 34
Standard Display Mode.......................... 34
All Modes ............................................. 35
7. Trouble Shooting ........................... 36
8. Technical Data ................................ 37
3
Remote Control Unit – 1
1. The System
The RCU-1 is a practical remote-control and program unit for all new-generation ARRIFLEX cameras:
from the ARRIFLEX␣ 16SR␣ 3 through the 535 and
535B to the new ARRIFLEX␣ 435.
Its range of functions is automatically adapted to the
attached camera: at both operating speed value
limits and on an electronically adjustable mirror
shutter. The RCU-1 can be used whenever uncomplicated, sturdy, and yet still comprehensive remote
control is important.
With the RCU-1 the synchronisation of the filming
speed with the opening angle of the shutter provides
an easy exposure compensation. Complete programs can be created to control the co-ordinated
change of speed and opening sector over a chosen
period of time. These programs may be recalled by
the push of a button whenever needed. The RCU-1
also automatically calculates the actual screen-time
for all programmed ramping functions.
An optimal control and precise adjustment of values
is easy with the big handwheel. The free programming of its end stops to individually defined minimum and maximum values is also extremely
comfortable.
An illuminated liquid crystal display accurately and
comprehensively shows the set values and the
camera status with all warning indicators.
4
Remote Control Unit – 1
Range of Functions
The RCU-1 combines two modes of operation in a
compact housing:
• CAM-functions
In the CAM-mode exactly the same operational
modes and functions are accessible as directly
on the camera itself. The display of the RCU-1
shows the same information as the camera display. The keys MODE, SEL, SET, RUN, RAMP
and the RUN-LED have the same function as the
equivalent operating elements on the camera.
In this mode the RCU-1 serves as a pure remote
control without its own programming possibilities.
• RCU-functions
Additionally the RCU-1 offers easy programming
and a convenient manual setting of filming speed
and shutter angle.
5
Remote Control Unit – 1
RCU-1 operating modes are:
)
to control the shutter angle manually with the
handwheel on cameras with an electronically
adjustable mirror shutter.
The end-stops for the handwheel can be programmed to cover a user-defined range of the
shutter angle.
fps
for the direct control of the filming speed with
the handwheel.
The end-stops for the handwheel can be programmed to cover a user-defined range of filming
speeds.
ramp
for the easy programming and the recall of
automatically controlled speed ramps
with a user-defined ramp duration.
fps +
)
for a manual control of the filming speed with the
handwheel and an automatically synchronised
mirror shutter adjustment for constant exposure.
The end-stops for the handwheel can be programmed to cover a user-defined range of filming
speeds.
ramp +
)
to program and recall automatically controlled
speed ramps with a user defined ramping-time
and an automatically synchronised shutter angle
adjustment for constant exposure.
6
Remote Control Unit – 1
In RCU mode, the display of the RCU-1 shows the
current values of the correspondent RCU modes.
The MODE, SEL, SET and RAMP key relate only
to the chosen RCU function. The available ranges
for filming speed and shutter angle are automatically recognised and supported for all connected
ARRIFLEX cameras.
• The Iris Control Unit (ICU) may be used for
cameras without electronically controlled
mirror shutters for constant exposure in the
ramp function.
7
Remote Control Unit – 1
2. Setup
2. 1 Electrical Connection
The RCU-1 is connected to the CCU-socket on the
camera with the cable KC-39 (1.5 m), or the cable
KC-41 (20 m). This serial RS 232 interface transfers
all data precisely and is not sensitive to interference.
KC-20 KC-39
8
NC 24/7 RCU-1
Remote Control Unit – 1
2. 2 Switching on
The RCU-1 does not have its own on/off switch. It
is supplied directly through the camera via the connection cable, as soon as the camera is switched on.
The display of the RCU-1 illuminates red as long,
as the camera is on.
The READY-LED changes from blinking red to permanent green, once the communication has been
successfully established. The RCU-1 is now ready
for use.
2. 3 Important Notes
• Do not edit speed values on the camera, when
operating in the RCU mode, as these values are
going to be constantly overridden by the RCU-1.
The RCU-1 is an active unit, and its settings are
predominant to the settings of the camera. The
camera retains the values which had been set
with the RCU-1. This applies for switching back
from RCU to CAM mode, as well as if the RCU-1
is disconnected from the camera.
• All selected parameters, programs and user defined end-stops are stored in the RCU-1 even if it
is disconnected. Therefore it is possible that user
defined end-stops programmed into the RCU-1
are not available with a currently connected
camera – i. e. end-stops have been programmed
for a highspeed camera and the RCU-1 is later
used on a regular production camera. The RCU-1
automatically recognises the connected type of
camera, but does not automatically change programmed values.
9
Remote Control Unit – 1
If the set values exceed the available range for
the currently connected model, a warning
indication is displayed.
Important:
In RCU-mode the RCU-1 overrides the
values for filming speed and shutter angle
set at the camera. This may result in a
wrong exposure for the subsequent takes
if the values are not checked before you
go on filming.
A value for the shutter angle set with the
RCU-1 is retained in the camera. The shutter
angle will not be automatically readjusted
to 180°.
All ramp functions programmed with the RCU-1 are
stored directly in the remote control unit, and not in
the camera. The RAMP-function is therefore not
identical with the program-function on the camera.
It is also different from a program edited with the
CCU and stored in the camera afterwards.
10
Do not use the Iris Control Unit (ICU) simultaneously with the RCU-1 in RCU mode
on a camera with an electronically adjustable mirror shutter. This may cause incorrect exposure.
Disconnect the ICU before using the RCU-1.
Remote Control Unit – 1
3. CAM Functions
CAMCAM
RCURCU
position CAM
The operating elements on the RCU-1 control the
same functions as the correspondent keys and indicators on the camera:
MODE • SEL • SET • PHASE, RUN-key
and RUN-LED.
The RAMP key represents the “program“-function
of the camera in this mode of operation.
All camera functions are explained in the
corresponding instruction manuals of the cameras.
In CAM position the display of the RCU-1 shows
exactly the same information as the display on
the camera.
It is highly recommended to switch the
RCU-1 into the CAM position before
connecting it to the camera, if only CAM
functions are used. This ensures that no
filming speed or shutter angle set on the
camera is overridden in switch-position
PS/CCU on the camera and in RCU
mode on the RCU-1.
In RCU mode the RCU-1 overrides all
settings of the camera for these values.
(
see Important Notes
Ramping programs, stored in the camera
with a CCU are not affected.
).
11
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