Fluke 8840A - Operating Features Overview

Operating Instructions
OPERATING FEATURES I
FOR THIS LINE USE THIS SWITCH FOR THIS LINE USE 7
VOLTAGE: SETTING: VOLTAGE: SETTI
'HIS SWITCH
NG:
Figure 2-1. Line Voltage Selection Settings
PULL ENDS OUTWARD
TO ROTATE
1. Viewing position
3. Carrying position
2. Alternate viewing position
4. Remoyal position
(to reflove, pull ends out)
Figure 2-2 Adjusting the Handle
2-7. OPERATING FEATURES 2-9. Front and Rear Panel Features
2-8. Power-Up Features
Front panel features are explained in Figure 2-5. Rear
panel features are explained in Figure
2-6.
When the 8840A is turned on, all display segments light
up
for about * while the instrument prfoms an
The alternate functions embossed below the front banel
internal self-tat of its digital circuitry. The
8840A then
range bunons and the special faoure bunons are en.+bld
assumes the following configuration:
by the
CAL ENABLE switch. These functions are for use
VDC function
Autorange, starting in the lOOOV range
ohy when calibrating the instrument. See the ~ainteiance
section for further explanation.
Slow reading rate
CAUTION
Continuous, internal trigger To avoid accidentally uncalibrating
OFFSET off 8840A. do not press the CAL ENA
Local (front panel) control
switch unless 'calibrating the instru- ,
rnent. Never cycle wwer on or off while
While all display segments are lit during the power-up
the CAL ENABLE 'sditch is on.
self-test, you can freeze the display by pressing the SRQ
button. All display segments will then remain lit until you
Note that the
VAC and rnA AC functions are avdflable
press
any button.
only with the True RMS AC option. If this opti$n is
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