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MMON Sequential command. Operation complete message generated immediately after execution. Start the MIN/MAX recording mode, initially setting both MIN and MAX values to the same reading value. If MIN/MAX is already operating then reset the MIN and MAX values to the same reading and restart recording. Note that a delay of five readings is imposed between receiving this command and starting the recording during which time the result of a MM? query will be the 'INVALID' message. MMOFF Sequential command. Operation complete message generated immediately after execution. Stop recording MIN/MAX values and exit from MIN/MAX recording mode. The recorded MIN/MAX values will remain unchanged and can be read using the MM? command until the meter function is changed or MIN/MAX is restarted which will cause the values to become invalid. If MIN/MAX is not active then no action will be taken. MM? Sequential command. Operation complete message generated immediately after <rmt> is sent. Returns the recorded MIN and MAX values. The syntax of the response is: MIN,MAX - <ASCII data><rmt> <ASCII data> contains two fields separated by a space: units data where the units field contains the units of the basic meter function and data is the formatted data field. The basic meter function units are: VOLTS DC VOLTS AC MILLIAMPS DC MILLIAMPS AC KOHMS This field is fourteen characters wide between the dash and separating space. The data field contains the MIN value followed by the MAX value, separated by a comma. Each value is contained in eleven characters:±n.nnnnnE±n ±nnn.nnDB ±nnn.nnn% ±OVERLOAD ±OVERFLOW Examples: - 0.12345E-1,+0.56789E+2 +20.00DB , +100.00DB If there are no valid MIN/MAX values then the response syntax is: MIN,MAX - INVALID On the serial interface the response is sent immediately if in non-addressable mode, or when addressed to talk, if in addressable mode. Example: MIN,MAX - VOLTS DC +2.10000E+1, +OVERLOAD 38