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Document
UMA 192
Rev
1
Page
9 (12)
Measured values
Temperature unit selection
❶
UIP5
Misc
❷
Meter information
Calibration options CO
2
Zero cal/Background/Target cal
UIP: If reference meter shows e.g. CO
2
-value
500ppm set Target to 500
Background calibration button
❶
Press 15s, until
…
❷
Green LED blinks twice