Operating Information 2
Keysight 3458A Assembly-Level Repair Manual 33
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 2-3
describes the meaning of each display annunciator.
All math registers set to 0 except:
DEGREE = 20 REF = l SCALE = 1 RES = 50 PERC = 1
Table 2-2 Power-on state (continued)
Command Description
Table 2-3 Display annunciators
Display annunciator Description
SMPL Flashes whenever a reading is completed
REM The multimeter is in the GPIB remote mode
SRQ The multimeter has generated a GPIB service request
TALK The multimeter is addressed to talk on GPIB
LSTN The multimeter is addressed to listen on GPIB
AZERO OFF Autozero is disabled
MRNG Autorange is disabled (the multimeter is using a fixed range)
MATH One or two real-time or post-process math operations enabled
ERR An error has been detected
SHIFT The shift key has been pressed
MOREINFO
More information concerning the present configuration is available (use the
right arrow key to view the information)
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