Chapter 2 Operating Information 13
The Display In the power-on state, the display is continuously updated with each new DC
voltage reading. Along the bottom of the display are a series of annunciators.
These annunciators alert you to a variety of conditions. For example, the
SMPL annunciator flashes whenever the multimeter has completed a
reading. Table 3 describes the meaning of each display annunciator.
Table 2. Power-On State
Command Description
ACBAND 20, 2E6 AC bandwidth 20Hz - 2MHz
AZERO ON Autozero enabled
DCV AUTO DC voltage, autorange
DEFEAT OFF Defeat disabled
DELAY -1 Default delay
DISP ON Display Enabled
EMASK 32767 Enable all error conditions
END OFF Disable GPIB EOI function
EXTOUT ICOMP, NEG Input complete EXTOUT signal, negative pulse
FIXEDZ OFF Disable fixed input resistance
FSOURCE ACV Frequency and period source is AC voltage
INBUF OFF Disable input buffer
LEVEL 0, AC Level trigger at 0%, AC-coupled
LFILTER OFF Level filter disabled
LFREQ 50 or 60 Measured line frequency rounded to 50 or 60Hz
LOCK OFF Keyboard enabled
MATH OFF Disable real-time math
MEM OFF Disable reading memory (last memory operation = FIFO)
MFORMAT SREAL Single real reading memory format
MMATH OFF Disable post-process math
NDIG 7 Display 7.5 digits
NPLC 10 10 power line cycles of integration time
NRDGS 1, AUTO 1 reading per trigger, auto sample event
OCOMP OFF Disable offset compensated resistance
OFORMAT ASCII ASCII output format
QFORMAT NORM Normal query format
RATIO OFF Disable ratio measurements
RQS 0 (or 8) 0 disables status register conditions (if power-on
SRQ was on when power was removed, value = 8).
SETACV ANA Analog AC voltage mode
SLOPE POS Positive slope for level triggering
SSRC LEVEL, AUTO Level sync source event, auto synchronous AC voltage
SWEEP lOOE-9,1024 Sample interval 100 nanoseconds, 1024 samples
TARM AUTO Auto trigger arm event
TBUFF OFF Disable external trigger buffering
TIMER 1 1 second timer interval
TRIG AUTO Auto trigger event
All math registers set to 0 except:
DEGREE = 20 REF=l SCALE = 1 RES=50 PERC = 1
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