This is a summary of the CASIO Multi PJ Digital Camera Update Software User's Guide. The product is used to update the firmware of the CASIO Multi PJ Digital Camera so that it can be used with a CASIO projector.
The document provides instructions for updating the firmware of the CASIO Multi PJ Digital Camera (model YC-400) to version 1.1 or higher. It details how to verify the current firmware version on the camera and lists specific requirements, such as an SD/MMC memory card with at least 5MB of free space.
The SD/MMC memory card must have at least 5MB of free space.
No, once installed there is no way to restore the camera to its original firmware version.
The camera will no longer be able to operate.