144
Keysight B2980B User’s Guide, Edition 1
Front Panel Reference
Display and Assist/Function Keys
8. Temperature measurement data if the thermocouple or humidity sensor is
connected. You can change the temperature unit to
C (Celsius),
F
(Fahrenheit), or K (Kelvin).
9. Humidity measurement data if the humidity sensor is connected.
Function Keys
SPEED
Sets the setting mode (aperture mode) of the measurement
speed to auto or manual.
The softkey displays the present setting. If the aperture mode is
set to auto, the softkey displays Stable, Normal, or Quick. If the
aperture mode is set to manual, the softkey displays 100.0 PLC,
10.0 PLC, 1.0 PLC, 0.1 PLC, 0.01 PLC, or 0.001 PLC.
PLC is the number of power line cycles per measurement, and
specifies the aperture time. For example, if 1.0 PLC is set, the
aperture time is set to 20 ms at 50 Hz power line, or 16.667 ms
at 60 Hz power line.
Use the measurement navigation keys (Coarse Res and Fine
Res) to change the aperture time. For the aperture mode and
time, see
“Measurement Time” on page 206
RANGE
Sets the measurement range mode to AUTO or FIXED.
If it is set to AUTO, the softkey displays AUTO. If it is set to
FIXED, the softkey displays the present range value.
It is applied to the current measurement on the
B2981B/B2983B. It is applied to the latest selected
measurement mode (AMPS(I), COUL(Q), VOLTS(V), or
OHMS(R)) on the B2985B/B2987B.
Zoom
Zooms in/out the Meter view. The softkey displays the present
zoom status (ON or OFF).
Clear
Clears the data buffer. The graph display is also cleared.
Apps
Launches the following applications. Use the assist keys to
select an application.
#1
#2
Data logger. See
.
Содержание B2980B Series
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