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The software provided on this page is to update the firmware of old versions. Before updating your power meter, please check the version according to the following procedure.
8250A firmware latest version: C00
8230/8230E firmware latest version: D01
Power on the power meter. Check the version displayed at the position enclosed in a red frame as shwon below.
Example of the 8250A
Example of the 8230/8230E
To upgrade your optical power meter, you need a personal computer to run this software and a USB cable.
The applicable OS is Windows 98SE or later (32 bit only).