SOMFY RS485 4 ILT Interface Notice D'installation Et D'utilisation page 8

With an universal IR remote control
- Please refer to the universal IR remote control instructions to learn the codes from a
Somfy 8 channels remote control to the universal IR remote control.
- If there is no specific instructions, please contact your Somfy local retailer.
With a trigger input
- The trigger input allows to synchronize the motorized projection screen with a videopro-
jector (For videoprojector with DC12V output).
- When the videoprojector will be powered ON, the interface will put the projection screen
in Format 1 position.
- When the videoprojector will be powered OFF, the interface will put the projection screen
in Format 8 position.
With a RS485 data line
The appendix (cf page 34) describes the SOMFY RS485 protocol, which is used to
communicate with the RS485 4ILT Interface.
The RS485 protocol supports bi-directional communication between a host and the
interface.
The term «Host» refers to the device initiating communication with the interface, usually a
computer-based system.
8 Copyright © 2008 Somfy SAS. All rights reserved - V0 - 09/2008