Operating Features; Power-Up Features; Front And Rear Panel Features; Installing The Single Rack Mount Kit - Fluke 8842A Instruction Manual

8842A
Instruction Manual

2-7. OPERATING FEATURES

2-8.

Power-Up Features

When the 8842A is turned on, all display segments light up for about 2 seconds while the
instrument performs an internal self-test of its digital circuitry. The 8842A then assumes
the following configuration:
While all display segments are lit during the power-up self-test, you can freeze the
display by pressing the SRQ button. All display segments will then remain lit until you
press any button.
2-9.

Front and Rear Panel Features

Front panel features are explained in Figure 2-5. Rear panel features are explained in
Figure 2-6.
The alternate functions embossed below the front panel range buttons and the special
feature buttons are enabled by the CAL ENABLE switch. These functions are for use
only when calibrating the instrument. See the Maintenance section for further
explanation.
To avoid accidentally uncalibrating the 8842A, do not press the
CAL ENABLE switch unless calibrating the instrument. Never
cycle power on or off while the CAL ENABLE switch is on.
2-4
Figure 2-4. Installing the Single Rack Mount Kit
VDC function
Autorange, starting in the 1000V range
Slow reading rate
Continuous, internal trigger
OFFSET off
Local (front panel) control
CAUTION
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