Specifications

Transmitter O
2
M300 48
© 05/07 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter O
2
M300
Printed in Switzerland 52 121 305
11 Service
(PATH: Menu/Service)
While in Measurement mode press the key. Press the or key to navigate to the Service
– Menu. After selecting the Service – Menu enter the Service security code "xxxxx" and then
press the [ENTER] key to confirm the code.
11.1 Diagnostics
(PATH: Menu/Service/Diagnostics)
This Menu is a valuable tool for troubleshooting and provides diagnostic functionality for
following items: SW Revision, Digital Inputs, Display, Keypad, Memory, USB, Set Relay, Read
Relays, Set Analog Outputs, Read Analog Outputs.