MTM-A Quality Type Level Meter - Operation Guide for Changing Medium

MTM-A quality type level meter medium change operation: Place the sensing pen at the 11 o'clock position, remove it after P0 is displayed, place the sensing pen at the 5 o'clock position, enter the P0 menu and then remove it, the current displayed medium is liquid nitrogen, place the sensing pen at the 5 o'clock position for the medium change operation, change the medium to carbon dioxide, remove the sensing pen after carbon dioxide is displayed, place the sensing pen at the 11 o'clock position to exit the interface, wait for the 10-second countdown to finish, the medium change operation is complete.