Spot Cal Menu; Spot (1 To 6) Rms Menus; Spot Frequency (1 To 6) Menu - Fluke 8508A Service Manual

8508A
Service Manual

SPOT CAL Menu

This menu is obtained by pressing the Set key in the CALIBRATION menu when the
Multimeter is in ACV Spot Frequency mode. It provides a means of calibrating the
Multimeter at any of six user-specific spot frequencies, at non-nominal calibration values
for each ACV range. The Multimeter will already be set to an ACV range on entry to the
menu.
This menu allows a user to select a spot frequency (Spx) for the selected range. It defines
six menu keys:
Sp1:
Sp2-6:

SPOT (1 to 6) RMS Menus

On entry to one of the six SPOT (x = 1 to 6) RMS menus, the nominal cardinal point
value is displayed and the keyboard is activated. A numeric value can be entered that
represents the RMS value of the calibration source signal.
Enter
Quit
The

SPOT FREQUENCY (1 to 6) Menu

Enter this menu by pressing
RMS value keyed in during this menu. The value in the
menu is the measured frequency of the present calibration input signal.
Pressing the
calibration signal frequency. The frequency value is stored and can be viewed from the
UTILITY
3-6
Displays the SPOT 1 RMS menu, where users define the RMS value for
the Spot Frequency 1 calibration point on the currently selected range.
Same as Sp1 but permitting their own RMS values to be defined.
Stores the displayed RMS value and de-activates the keyboard.
The dot-matrix display moves to the
showing the calibration signal frequency.
Reverts to the
SPOT CAL
key is still enabled in the next menu.
SAMPLE
Enter
SPOT FREQUENCY n Menu
key causes the selected
SAMPLE
menu. Any subsequent measurement on this range whose frequency is within

SPOT CAL Menu

SPOT n RMS Menus
SPOT FREQUENCY (1 to 6)
menu, not storing any new Spot value.
Note
in the
SPOT (1 to 6) RMS
range to be spot-calibrated at the
ACV
menu,
menu, which also stores the
SPOT FREQUENCY (1 to 6)
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