New functions:

– UDF file system support

– XAVC Intra 1080 59.94P/50P format recording supported

– 1080 59.94P/50P external input signal recording is supported

– Return Signal from the SDI input  is visible  in the Viewfinder/Monitor Screen

– Interval Rec support format added

– Improved startup performance and operation response

– Proxy data recording function improvements

– Proxy Auto Upload function is added

– Function expansion when connected with DWR-S02D Digital Wireless Receiver

– User Menu Lock function is added

– XQD-M series and new G-series (QD-G128E, G64E, G32E) are supported

  
Note: Please note that X500 must not be downgraded to previous versions after updating to V4.00.

Disconnect connected devices (such as USB wireless LAN module (IFU-WLM3), SDI, HDMI, microphone, viewfinder, and lens) and eject any media in the SxS memory card slots before upgrading.