IEM Tel-O-Graph GSM Mode D'emploi page 94

Memory
Note
The Infrared transmission (IR) menu option is intended for service personnel only.
2. Wait until [c lr] flashes on the display.
3. Press the
 You will hear an acoustic signal and the display will be shown [c lr] permanently.
4. Press and hold the
 The acoustic signal sounds 3 times and the display shows [M00].
The measurements are deleted. The device returns to standby mode and displays the start screen
(see Fig. 6).
36
button.
button for more than 3 seconds.