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USER MANUAL ARRI ALEXA LF Basic Camera Set | Search For Manual Online
Time Currently set time. Fan speed Speed of camera cooling fan in rotations per minute. Sensor Current temperature of image sensor. Page 73 Main Controls Assign functions to the buttons by using the jogwheel. Pressing the wheel plays the clip back. Figure Play screen In the play screen the playback actions can be controlled. If you press REC, playback is stopped, recording is started and the Home screen is loaded.
Figure Play options screen Clip end action Determines what happens when the end of a Please note that the currently active look is applied to the clip, not the one that was active at the time of recording. The card slots are located on the camera's left side.
SxS recording Switches SxS recording on or off. With SxS recording off, power consumption is reduced by 15 W. Page 79 It is recommended to directly format the card and not to postpone this action. Name Color Data rate Recording time max.
Page 81 Main Controls Output range Defines which bit range of the full 10 bit 0- is used to transmit image data. Page 84 Frame lines are a reference for framing that typically consist of an image frame, a center mark and an aspect ratio reference. Surround mask If surround view is set to "On", it must be separated from the recorded image area to allow proper framing. Page 85 Electronic level Overlay showing the horizontal levelling of the camera.
The output range is fixed to legal range. Page 86 Frame lines are a reference for framing that typically consist of an image frame, a center mark and an aspect ratio reference. The camera contains default frame lines for 1. Activate it through User rectangles. Set rect 2 Set the shape of rectangle 2. Note: Default frame lines have "User" specified as color for all content.
Page 89 Main Controls Note: The user should set the value of reel counter to before a shoot begins. The user can enter the names of the director, cinematographer, location and production.
This will avoid condensation on the sensor coverglass. Page 91 Influences naming of clips on SxS cards. See Sensor sync on page for more info. Page 92 HD outputs of the cameras are synced. Press the jogwheel to send the trigger. Settings sync ALEXA cameras can be operated in synced settings mode, where two cameras sync their settings via Ethernet. See Settings sync on page for more info. Page 94 SD card without touching any data present on the SD card.
Firmware The camera firmware can be updated to enable new camera features. Page 95 A detailed instruction on how to purchase a license key can be found on the website. Page 96 The license key file suffix. Note: Only license keys that have been created for the camera in use will appear in the SD card license list. Page Frame Grabs Main Controls Page User Setups Camera Controls Compare mode Interleave creates an interlaced image from the live image and the loaded image.
Toggle only displays the laoded image. Always create new setup files after a SUP update, and discard the old ones. The camera will block the usage of a user setup that has been created with a different SUP. Page Evf Controls Camera Controls They consist of a number of function buttons and a jogwheel. ZOOM Zooms into the image with a 2. Page Viewfinder Cam Menu Frame lines are a reference for framing that typically consist of an image frame, a center cross and an aspect ratio reference.
Select framelines 1 Choose the main frame lines template from those stored in the camera. The user is of course free to modify the recommended worksteps to his needs. Note: ARRI cannot be held responsible for the loss of any data in conjunction with internal recording! These cards have an ExpressCard34 form factor and are currently available with 8, 16 or 32 GB storage space. Card file format SxS PRO cards have to be formatted in the camera before they can be used for recording. This file system is read-only for computers, which means data can be copied from the card to another device, but the data cannot be manipulated on the card itself.
While it is possible to change the file names later on a computer, it is not recommended, as the ALEXA naming scheme has been developed to minimize the risk of duplicate file names. Page Alternatively, reel name is used sometimes.
The preferred output format also depends on the application. Raw data is the sensor image data before it is converted to RGB images. As ALEXA has a single sensor with a Bayer pattern color filter array, this means that every pixel only has information of one color channel.
First, it has to be determined what function the two sets of data have. For example, the internal recording could be used for on-set review and proxy editing, while the external device captures the master data. As the ALEXA camera system will consist of several cameras in the future, this is necessary to differentiate between the camera types. If the camera is over- or under-cranking, the TC frame rate will no longer match the sensor frame rate, so that TC values would either be duplicate or dropped.
After about 5 seconds, connections are established. The master camera will initially distribute its settings to the slave camera.
Once this is done, settings can also be changed on the slave camera, and the change will take effect on both cameras. It gives access to the WRS screen, from where all camera setting related to the Plus camera features can be handled.
Take great care not to harm any elements of the LDS contacts on either lens or camera when attaching or deattaching a lens or lens port cover.
This radio system has also been in use with ARRI film cameras, so it is an interesting option for rentals that already own equipment with yellow radio.
Yellow radio can be identified by a yellow ring at the antenna mount pont. It has 8 available channels. White radio can be identified by a white ring at the antenna mount point. Channel Frequency 2. It gives access to the WRS screen, from where all camera settings related to the Plus camera features can be handled. Page Plus Camera Controls degrees around 0. Page The LDA consists of a user list and a main archive list.
The user list should only contain the lenses currently used to achieve quick access to the desired lens tables. Insert the SD card into the camera. Go to the main archive list and press ADD. Select the desired lens table and press the wheel. This screen shows the type of motor connected to the IRIS socket, its direction and torque. Page Optical Viewfinder Super16 lenses, or lenses with dimensions not matching the dimensions in the figure "Allowed lens dimensions with mirror shutter" drawing cannot be used with the ALEXA Studio, as they would destroy the rotating mirror shutter!
Figure Allowed lens dimensions with mirror shutter The viewfinder image stays upright and correct left-to-right when the viewfinder is swivelled within the main axis. Page Ground glasses contain frame and format markings to show the recorded image area and the area of interest. It allows illuminated format markings to be superimposed onto the viewfinder image with adjustable brightness. Page Note: The torx screws on the camera that are painted red may not be tightened or loosened, as this would corrupt the alignment of the OVF.
Page Nd Filter The motorized filter slider contains a ND filter with a density of 1. Page Studio Camera Controls These are used to control the mirror shutter and the ND filter. The Homescreen has icons for the active ND filter and the mirror shutter position and state. Page Studio Camera Controls Note: For frame rates higher than 30 fps, it is recommended to use a power source with a voltage level of V to ensure the mirror shutter is powered sufficiently!
When the frame rate change reduces the allowed mirror shutter angle below the currently active shutter angle, the camera automatically sets the shutter angle to In High Speed mode, only the center area of the image sensor is read out. This device mirrors the controls on the camera's right side. It is connected to the camera's Ethernet port. Power is supplied via the Ethernet cable.
To power the RCU-4, press the power button after connecting the device to a camera. Page Appendix Appendix Total active pixels x incl. Page Appendix Camera Dimensions Page False Color Display Six different colors are used to show the important luminance ranges. Figure False Color Encoding The following example illustrates the behavior of the false color display.
This is important to achieve constant image quality. Under some occasions, the camera might not be able to keep this temperature, or it might take some time to reach the correct level. Page TC source forced to Sensor fps does not match Project fps.
Interface bit error Reboot camera. If error continues to occur, contact ARRI service. Page Reboot camera. If error continues to occur, problem contact ARRI service.
Internal battery error The internal battery which powers the real-time clock must be replaced. Contact an ARRI service center near you. System problem Reboot the camera. Page Fan error. Contact The fan module is not working properly. Either service! Fatal system error!
Camera has to be rebooted. If this error Reboot camera now! Page 47 TC count and continues counting on its own. Due to a highly precise crystal oscillator in ALEXA, the internal counter will count accurately for 8 hours. After that period, the camera has to be resynced to avoid any TC offset. Page Info Note: Saving a system log is only necessary if the camera is showing unnormal behaviour. It can then be sent to the ARRI camera service for analysis. The log is not human-readable and can only be analyzed by the ARRI camera service.
Figure Version info screen Figure User screen Assign functions to the buttons by using the jogwheel. Figure Edit User Button assignment Note: Exposure Index is not applied to Arriraw signals. Except for EI, all lists are user lists where the user can store a selection of his preferred settings for quick access.
It contains the default framerates The user can store a selection of his preferred fps settings for quick access. When the last list entry is reached, deletion is disabled. Page 55 10 fps and the REC OUT is set to 30 fps, every image is output 3 times, resulting in two duplicate frames following every active frame. The recorder would record these duplicate frames, which have to be removed in post.
By default, shutter angles Page 57 Note: The Exposure Index list has a fixed content, meaning that it cannot be changed by the user.
This means that the dynamic range is evenly distributed above and below neutral grey with very low noise in the blacks and a very screen clipping behaviour in the whites. Noise is increased, which makes it important to judge the dark parts of the image, while the clipping behaviour will be even smoother.
Figure Exposure Index screen Page 59 WB value if necessary and press the wheel. This adds the new entry to the list. Note: CC values are kind of arbitrary. Page 60 58 User interfaceMain UI White balance and color compensation should be adjusted only with the help of appropriate equipment.
This can either be a color meter or a vectorscope together with a calibrated grey card. It has a tree structure and the current path in the menu is displayed in the top section of every screen. To access a new menu level, select the group with the jogwheel and press the jogwheel. See following table for format details. Format Links Image Note: Check which mode your recorder supports. If you set the camera to extended, but your recorder only supports legal, you will end up with clipped images!
The output range is fixed to legal range. The camera contains default frame lines for 1. Page 67 SD card to the camera. Choose between "Off" for single camera mode, "Master" for the master camera and "Slave" for the slave camera. An SD card must be present in the camera to perform these operations. Note: Switching surround view ON and frame lines OFF is a dangerous combination, as there is no indication in the EVF image that it shows more than is recorded, which can lead to framing errors.
Page 78 Overview Page Arriraw Raw data is the sensor image data before it is converted to RGB images. As ALEXA has a single sensor with a Bayer pattern color filter array, this means that every pixel only has information of one color channel. A standard set of frame lines is stored in the camera. Additional frame lines can be loaded from the SD card to the camera.
Once the idea behind the frame lines system is understood, personal frame lines can be created with little effort. Page Index 3. Page 86 Monitoring Print page 1 Print document 86 pages. Cancel Delete. Sign In OR. Don't have an account? Sign up! Restore password.
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