Alexa Plus - ARRI ALEXA Series User Manual

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ALEXA Plus

The ALEXA Plus has a unique side cover that contains extended
electronics and offers the following additional functions over the
standard ALEXA:
Built-in radio system for wireless remote control of lens and
camera
A level sensor to determine the camera's tilt and roll in degrees
Three CLM (Controlled Lens Motors) ports for driving CLM-2,
CLM-3 or CLM-4 motors
Two LCS (Lens Control System) bus interfaces for connecting
WCU-3, WHA-3 and ZMU-3 hand units
LDS Lens Data System for reading lens data from LDS lenses
Depth of field calculation for LDS lenses and LDA (Lens Data
Archive) lenses in combination with calibrated lens motors
LDD (Lens Data Display) interface
Lens Adapter PL Mount LA-PL-2 with LDS support
Control of LDS, radio, and lens motors through the camera user
interface
A third RS socket
A second MON OUT output
An additional function button labeled
System). It gives access to the WRS screen, from where all
camera settings related to the Plus camera features can be
adjusted.
Any ALEXA can be upgraded to an ALEXA Plus by installing the Plus
module.
Note: The Plus module must be installed by an authorized ARRI service center
only.
Figure 77: CLM sockets
WRS
(Wireless Remote
ALEXA Plus