Sensepoint XCD RFD Technical Manual   SPXCDHMRFEN Issue 4_08-2016
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19.Promptly switch off the calibration span gas and remove the Sensepoint XCD 
Gassing Cap from the sensor to allow the gas to disperse.
20.When the reading falls below 50% of the calibration gas level the display indicates a 
countdown .
 
21.  When the countdown is nished, the calibration procedure is complete.  
22.  The instrument returns to the ‘Set CAL’ menu. Activate the ‘
’ or ‘
’ switch to 
select another menu or select ‘QuIT’ to return to normal monitoring mode.
     
Note: Remember to always replace the Weather Protection and other accessories.