Electronic Control System FAQ
Questions and answers on Electronic Control System
Questions and answers on Electronic Control System
A lens table is transmitted to the Hi-5 from the camera device where the lens data is generated. ALEXA Mini and Mini LF cameras, the Universal Motor Controller UMC-4, the cforce mini RF lens motor, and the Radio Interface Adapter RIA-1 all support wireless lens file transfer. Classic ALEXA cameras including the Plus module load lens files from an SD card.
Lens data is generated on the camera side and displayed on the Hi-5. The data is generated in one of two ways:
The Lens Data Archive (LDA) is an archive that contains lens tables. Those lens tables set the raw motor encoder values in correlation to the actual lens scales. Once you choose the right lens table from the Lens Data Archive and calibrate your lens motors, you get the same type of lens data as an LDS lens would deliver. You can create your own lens tables for any given lens with the Hi-5 and save them internally, externally to a USB-C flash drive, or in an iOS device with the ECS Sync App. Lens tables can then be transferred wirelessly from Hi-5 to the ALEXA Mini/Mini LF, the Radio Interface Adapter RIA-1, the Universal Motor Controller UMC-4, or the cforce mini RF lens motor.
Yes, you can use the cforce mini RF with the Hi-5 when equipped with the white-coded RF-EMIP Radio Module.
There are many different lenses on the market and we do not have an individual pre-marked ring for all of them. We do have 10 pre-marked rings with metric scale and 10 with imperial scale. These rings can be mapped to any given lens by using the Lens Data Archive (LDA).
There are various ways to make good use of pre-marked rings. You can choose the ring marked with a close focus or minimum object distance (MOD) that is nearest to – but less than – the MOD of your lens. For example, if your lens MOD is 16”, you would choose the 14” focus ring. Or you simply select the ring with the focus scale spread that best matches your scene.
The following WCU-4 pre-marked rings are compatible with the Hi-5:
Metric: 0.20 m, 0.25 m, 0.35 m, 0.50 m, 1.00 m
Imperial: 3’6, 20” (= 1’8)
It depends on which exchangeable radio module is being used. With the RF-EMIP radio module, the battery lasts up to 15 hours.
Yes, it is. The Hi-5 indicates the override mode, which is triggered by the Operator Control Unit OCU-1 or the Master Grips. The override function enables operators to return focus, iris, or zoom control to the OCU-1/Master Grips at the touch of a button.
Manual calibration requires a software update and will be supported at a later point in time.
Yes, you can use the Hi-5 hardwired connected to the camera or motor controller via the LBUS (4p) interface on the Hi-5. The following cable connection is supported:
Yes, you can use the Hi-5 with any camera, by using the Radio Interface Adapter RIA-1 with one of our new radio modules (RF-EMIP, RF-2400, RF-900) connected to the camera via the CAM (7p) interface on the RIA-1.
The following cables are available:
If the Cable CAM (7p) is too short, you can use following cable as a CAM cable extension:
Alternatively, you can use the Universal Motor Controller UMC-4, the cforce mini RF, or the Mini Motor Controllers AMC-1, SMC-1 and EMC-1 with the RF-EMIP attached to the Hi-5.
Depending on the transmitting power needed when using an RF-900 Radio Module with the RIA-1, users can choose between Standard Mode, which transmits 100 mW, and Hi-Power Mode, which transmits 1 W. Hi-Power mode is recommended for long-range situations only.
Select Client Mode when hardwiring the RIA-1 to a hand unit, OCU-1/Master Grip, or cmotion’s steady/pan-bar zoom. Select Host Mode when hardwiring the RIA-1 to a camera.
Yes, you can. This setup allows you to use the OCU-1 remotely as an additional lens control unit with the ability to view lens data and control camera user button functions. A possible use case would be for the DIT’s iris adjustments, where the OCU-1 can be mounted neatly near a monitor.
Yes, via the new Cable CAM (7p) to LCS (5p) (K2.0034580) which connects the CAM connector of the RIA-1 to the LCS connector of ARRI ALEXA Plus type cameras. It provides camera REC start/stop, tally, camera settings, and status information via either the Hi-5 hand unit or cmotion cPRO hand units (license required).
No, they are not compatible. They use different protocols.
Yes, with Dropbox, Google Drive, and others.
Yes. The ERM-2400 LCS comes as a pre-configured paired set of two radio modules.
If one ERM is damaged, you can use any other ERM-2400 LCS module but you need to get it paired as a new set with the remaining module done by ARRI Service.
The iris motor can be controlled using a knob solo cabled directly to either an ENG-adapter or a broadcast camin. Alternatively, the knob solo can be used in an OB truck or control room through common fiber solutions. The broadcast camin has a built-in potentiometer for iris control / adjustment plus a lens limit function. The EXT interface allows the iris to be controlled automatically or remotely through a Hirose 12pin interface on a camera or accessory.
You can use up to 3 cforce motors.