| Dear valued ARRI customer, the WVS Software Update Package (SUP) 4.3.28 is shipping with all ARRI Wireless Video System components: integrated HD video transmitters inside ALEXA LF and ALEXA SXT W cameras, Wireless Video Transmitter WVT-1, Wireless Video Receiver WVR-1, and Wireless Video Receiver small WVR-1s. Support for Wireless Video Receiver WVR-1s WVS SUP 4.3.28 supports the new Wireless Video Receiver WVR-1s. A transmitter with WVS SUP 4.3.26 installed is also compatible with a Wireless Video Receiver WVR-1s but the WVR-1s will prompt the message ‘Please update software’ on the monitoring output. Therefore, we recommend updating all WVS devices to WVS SUP 4.3.28. For further information please refer to the Release Notes. | 
