6 First steps
9
6.3 Establishing a Bluetooth
®
connection
The instrument can be connected to the testo Smart App via
Bluetooth
®
connection
The measuring instrument is switched on.
To enable the Bluetooth
®
connection
for the first time, press and hold
(approx. 2 sec) the ◄ key.
While the instrument is trying to
establish a Bluetooth
®
connection,
the icon flashes on the display.
Bluetooth
®
remains enabled until it is
disabled manually by pressing and
holding (approx. 2 sec) the ◄ key.
The measuring instrument saves the
Bluetooth
®
setting and, depending
on the configuration, starts up with
Bluetooth
®
enabled or disabled.
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