Using Frequency Softkeys - Fluke 867B User Manual

867B/863
Users Manual
choices for Ohms and Conductance. LOGIC TEST,
COMPONENT TEST, and SET UP each use a
single, unique mode.
The Display Mode Softkeys also appear briefly when
you rotate the selector to a new function. If you
make no mode selection within 2 seconds, the
softkeys shift automatically to the appropriate
function labels.

Using Frequency Softkeys

Softkeys accessed by pressing F are:
Duty Pulse
x
Cycle Width
y
1 selects the low side x or high side y
pulse for frequency, period, duty cycle, and pulse
width measurements. Positive is the standard
selection.
2 (Duty Cycle) selects duty cycle measurements
for the pulse (negative going or positive going)
selected with 1.
3 (Pulse Width) selects pulse-width
measurements for the pulse (negative going or
positive going) selected with 1.
4-2
4 (Period) selects period measurements of the
full signal (negative going or positive going).
5 (Exit) returns to the Display Mode Softkeys.
Frequency Operation
The frequency measurement type (Hz, duty cycle,
pulse width, or period) normally appears in the
secondary display. F swaps primary and
secondary displays and accesses the Frequency
Softkeys, which you can use to select a new
frequency type.
Press F a second time to swap primary and
secondary displays back. The secondary reading
Period Exit
then continues to display the frequency
measurement type selected with the Frequency
Softkeys. The Frequency Softkeys remain active,
and you can change the frequency type shown in the
secondary display while these keys remain
displayed.
Press F at any time to swap primary and
secondary readings.