Agilent Technologies 34401A User Manual page 10

Display Annunciators
Turns on during a measurement.
Multimeter is addressed to listen or talk over the GPIB interface.
Adrs
Multimeter is in remote mode (remote interface).
Rmt
Multimeter is using manual ranging (autorange is disabled).
Man
Multimeter is waiting for a single trigger or external trigger.
Trig
Reading Hold is enabled.
Hold
Turns on when reading memory is enabled.
Mem
Multimeter is in dcv:dcv ratio function.
Ratio
A math operation is enabled (null, min-max, dB, dBm, or limit test).
Math
Hardware or remote interface command errors are detected.
ERROR
Rear input terminals are selected.
Rear
"Shift" key has been pressed.
Shift
Multimeter is in 4-wire ohms function.
4W
Multimeter is in continuity test function.
Multimeter is in diode test function.
To review the display annunciators, hold down the
turn on the multimeter.
4
Press "Shift" again to turn off.
Shift
key as you