Casio XJ-M145 Network Manual page 7

The version number has four digits. The first digit on the left indicates whether your projector is a
XGA model or WXGA model. Digits 2 through 4 indicate the relative age of the version.
1.0.3.0
XGA/WXGA identifier
Firmware version age
This means that you need to pay attention to the final three digits of the version number when
determining how functions are affected. Since the first digit has no relation to what we are
discussing here, all version numbers in this manual have an asterisk (*) as the first digit.
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