COX CG640 - TRANSMISSION: Set Atmospheric Transmission Rate; ATMOSPHERE: Set Ambient Temperature; ZERO OFFSET: Adjust Temperature Offset

We see temperature and temperature differences!!!
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CG320 & CG640 Manual
③ TRANSMISSION: Set transmission rate of atmosphere.
 Set value : 0.00 ~ 1.00
④ ATMOSPHERE: Set ambient temperature.
 Set value : -50.0 ~ 100.0
⑤ ZERO OFFSET: Set temperature correction parameters.
In case camera always give temperature data a certain degrees higher or lower than real
temperature, set temperature correction factor, and then camera will give temperature
data higher or lower as much as ZERO OFFSET. Consequently, user can get correct
temperature.