Raytech USA, Inc.
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GENERAL MENU: (cont.)
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UPDATE THE FIRMWARE
You can easily check the Firmware Version installed on your WR50-12. In the Main Display
touch “Setup”- and then the “About” key
A newer Version may be available and can be found at this link:
www.raytechusa.com
Download this new version and store it to the USB Key provided with the system.
Switch the WR50-12 on and plug the USB Key into the USB Port of the Instrument.
Select the Version you want to install and then press “Install” .
Please wait until the system reboots ro follow the on-screen instructions.