User's Manual

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4 - Close the battery compartment.
5 - Insert the data logger into the wall
bracket.
4.2 Setting up the data logger - preparation


- Data logger has not been
configured yet, the LED on the
side of the data logger flashes
rapidly once the batteries are
inserted.
1 - Briefly press the button on the side of the data logger. (On
the testo 160 IAQ, the button is on the front.)


Data logger switches into configuration mode (LED flashes
at one-second intervals).
or


- Data logger has already been configured (logger is in sleep
mode)
1 - Press and hold down the button
on the side of the data logger for
more than 3 s.


Data logger switches into configuration mode (LED flashes
at one-second intervals)
You can find detailed instructions on the configuration options
in the instruction manual in the login area of the relevant Testo
solution at: www.testo.com/login via the Testo App and via the
web interface.