2 Operating Information
32 Keysight 3458A Assembly-Level Repair Manual
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 60 Hz
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
Table 2-2 Power-on state (continued)
Command Description
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