3 Shifted operation keys
mX+B Manipulates normal display readings(X) using the equation Y=mX+b.
dBm Converts a value to the decibels above or below a 1mW reference.
dB Compresses a large range of DC or AC voltage measurements into a much
smaller scope.
CONT Measures circuit continuity on the 1kΩ range.
Measures the forward voltage drop of general-purpose diodes, the zener
voltage of zener diodes, and the test current range from the front panel.
SENSOR Chooses temperature sensor (thermocouple or four-wire RTD).
PERCENT Selects the percentage calculations and lets you specify a reference value.
PERIOD Makes period measurements from 2µs to 333ms on voltage ranges of 100mV,
1V, 10V, 100V, and 750V
LOCAL Brings into remote mode for front panel control.
DELAY Sets user delay between trigger and measurement.
HOLD Holds reading when the selected number of samples is within the selected
tolerance.
LIMITS Sets upper and lower limit values for readings.
ON/OFF Enables/disables limits; selects beeper operation for limit testing.
TYPE Selects the number of readings to be taken and the filter type, moving average
or repeating.
RATIO Performs ratio function between sense inputs (denominator) and measure
inputs (numerator) for DC volts only.
DRY CKT Enables/disables dry circuit testing.
O COMP Enables/disables offset compensation
SAVE Saves present configuration for power-on user default.
SETUP Restores factory or user default configuration.
CONFIG Selects minimum/maximum channels, timer, and reading count for step/scan.
HALT Turns off step/scan.
GPIB Enables/disables GPIB interface; selects address and language.
RS232 Enables/disables RS-232 interface; selects baud rate, flow control, terminator.
TEST Selects display or key test.
CAL Accesses calibration.
4 Range keys
▲ Moves to higher range, increments digit, and moves to next selection.
▼ Moves to lower range, decrements digit, and moves to previous selection.
AUTO Enables/disables autorange.
5 Annunciators
*(asterisk) Reading being stored.
(diode) Instrument is in diode testing function.
(speaker) Beeper on for continuity or limits testing.
(more) Indicates additional selections are available.
4W Four-wire resistance reading displayed.
AUTO Autoranging enabled.
BUFFER Recalling stored readings.
CH 1-10 Displayed internal channel is closed.
ERR Questionable reading; invalid cal step.
FAST Fast reading rate.
FILT Digital filter enabled.
2-4 Basic Measurements
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