411, 611 & 325 OCU
User Manual
12
9M02-8999-A001-EN
6.2 OCU Types Overview
The Remtron 411, 611 and 325 OCUs are lightweight, palm-sized, extremely rugged controllers that are available
in standard and customized configurations.
Each OCU is designed to meet a specific control application. Two housing sizes are available that are fitted with
the three switch layouts seen below
A label insert sheet is provided to identify button functionality to suit most applications, and while the front graphic
is standard, it is possible to have both customized graphics and customized switch configurations.
Figure 1: 411, 611 and 325 OCUs, front view
The ‘STATUS’ LED (located center top) indicates the operational mode and any error messages.
The aperture directly under the ‘STATUS’ LED is an ambient light sensor that is used to adjust LED intensity and
improve battery life.
The four remaining LEDs, A, B, to the left of the Status LED and 1 and 2 to the right of the Status LED, indicate
either selection such as hoist or crane select, information or optional Talkback information.
There is a Haptic (vibration) feedback motor within the case to provide alerting and confirmation to an operator
focused on the task at hand.
A high reliability switch system is provided and the rocker switches of the 411 and 611 are single step while the
rockers of the 325 are dual step, the other auxiliary buttons are single step. The Stop switch is unique and
features a Cat3 safety architecture and incorporates LED back lighting to provide information on the Stop switch
availability as per latest standards.
