testo 623 Manual De Instrucciones página 26

4 Product description
Key
②
③
④
⑤
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Function
Display max. value
Display min. value
Select histogram for temperature or humidity
Select time interval
Change settings / select bar
Change settings / select bar
Confirm settings
Cancel input
Acknowledging an alarm
Sensors
Attachment device
Battery compartment and instrument interface
Mounting clip and wall fixture (integrated into housing)