Agilent Technologies 34420A User Manual page 6

Display Annunciators
*
Turns on during a measurement.
Meter is addressed to listen or talk over the HP-IB interface.
Adrs
Meter is in remote mode (using remote interface).
Rmt
Meter is using manual ranging (autorange is disabled).
Man
Meter is waiting for a single trigger or external trigger.
Trig
Offset compensation is turned off.
OC Off
A null value is being used.
Null
Math statistics operations are being used.
Stats
Math scaling operations are being used.
Scale
Hardware or remote interface command error(s) detected.
ERROR
"Shift" key has been pressed.
Shift
Meter input is on Channel 1.
Ch1
Meter input is on Channel 2.
Ch2
Meter is indicating the difference between inputs on channel 1 and channel 2.
Ch1 - Ch2
Meter is indicating the ratio of the inputs on channel 1 and channel 2.
Ch1 / Ch2
Meter is measuring resistance (Ohms).
Meter is using low power Ohms.
LP
Meter is using 2-wire Ohms (annunciator off indicates a 4-wire measurement).
2W
Meter is using voltage limited Ohms.
LoV
Automatic reading hold is enabled.
Hold
The analog and/or the digital filter is enabled.
Filt
Turns on when reading memory is enabled.
Mem
To review the display annunciators, hold down the
turn on the meter.
4
Shift
key as you