Specifications
Transmitter O
2
M300 49
© 05/07 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter O
2
M300
Printed in Switzerland 52 121 305
11.1.1 Model/Software Revision
Essential information for every Service call is the model and software revision number. This
Menu shows the transmitter part number, serial number and software version number. Press
[ENTER] to exit from this display.
11.1.2 Digital Input
The digital Input menu shows the state of the digital input.
11.1.3 Display
All pixels of the display will be lit for 15 seconds to allow troubleshooting of the display.
After15 seconds the transmitter will return to the normal measuring mode or press [ENTER]
to return sooner.
11.1.4 Keypad
For the keypad diagnostics the display will indicate which key is pressed. Pressing Enter will
return the transmitter to the normal measuring mode.