KPS TherCam256 Manual De Usuario página 63

Selection of emissivity
In main menu mode, press "menu" key and "right" key to go to "emissivity"
menu, and select emissivity value required through table look-up and with
"+" and "-" keys, as shown below:
It is also allowed for user-defined emissivity value. In emissivity mode, go
to custom mode, select "confirm" key, and then press "+" and "-" keys to
customize emissivity value ranging from 0.01 to 1.00. Press "exit" key to
back to main menu.
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