IEM Tel-O-Graph BT Gebrauchsanweisung Seite 84

Memory
4) Press and hold the
3 seconds.
 The acoustic signal sounds 3 times and the
display shows [M00] (see Fig. 11/C).
The measurements are deleted. The device returns to
standby mode and
(see Fig. 6).
32
button for more than
displays the start screen