Section 2
General operation
In this section:
General ratings ......................................................................... 2-1
Front and rear panel operation ................................................. 2-1
Cooling vents ........................................................................... 2-7
Turning your instrument on and off .......................................... 2-8
System identification ................................................................ 2-9
Beeper ................................................................................... 2-10
Display mode ......................................................................... 2-10
Basic operation ...................................................................... 2-11
DUT test connections ............................................................. 2-42
USB storage overview ............................................................ 2-63
Error and status messages .................................................... 2-65
Range .................................................................................... 2-65
Digits ...................................................................................... 2-71
Speed ..................................................................................... 2-71
Communications interfaces .................................................... 2-73
General ratings
The Model 2651A instrument's general ratings and connections are contained in the following table.
Category Specification
Supply voltage range 100 V AC to 240 V AC, 50 Hz to 60 Hz (autosensing), 550 VA maximum
Input and output connections See Front and rear panel operation (on page 2-1)
Environmental conditions For indoor use only:
Altitude: Maximum 2000 meters above sea level
Operating: 0° C to 50° C, 70% relative humidity up to 35° C. Derate 3% relative
humidity/° C, 35° C to 50° C
Storage: -25° C to 65° C
Front and rear panel operation
Front panel
The front panel of the Model 2651A is shown below. The descriptions of the front-panel controls
follow the figure.
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