Fluke Portable Multimedia Player 8842a User Manual
8842A
Instruction Manual
2-4
f2-04.wmf
Figure 2-4. Installing the Single Rack Mount Kit
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:
instrument performs an internal self-test of its digital circuitry. The 8842A then assumes
the following configuration:
•
VDC function
•
Autorange, starting in the 1000V range
•
Slow reading rate
•
Continuous, internal trigger
•
OFFSET off
•
Local (front panel) control
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.
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.
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.
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.
CAUTION
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.
CAL ENABLE switch unless calibrating the instrument. Never
cycle power on or off while the CAL ENABLE switch is on.