381270 v1.2 04/02
13
HZ FREQUENCY MEASUREMENTS
1. Press the
HZ
key in the ACV, DCV, mV, or Amp function to change to the frequency
display. The frequency related soft keys will appear on the display.
2. Frequency display soft-keys
F1 “TRIG”
trigger level
a) The Trigger Level allows adjustment of the trigger level from 0 to 95% of the
peak of the measured signal.
b) Press
F1
to change the polarity of the trigger.
c) Press
F2
or
F3
to adjust the % trigger level
d) Press
F4
to exit the trigger level menu.
F2 “DUTY”
duty ratio
a) The Duty function changes the display
from frequency to duty ratio.
b) Press
F2
to enter the duty function. The
display will change to % if a signal is
present.
c)
In the duty function, “
DUTY
” will blink.
d)
Press
F2
to exit the mode.
F3 “ t”
pulsewidth
a) The pulse width function changes the
display from frequency to pulse width.
b) Press
F3
to enter the pulse width
function. The display will change to mS if
a signal is present.
c)
In the pulse width function, t will blink.
d)
Press
F3
to exit the mode.
F4
“ T”
period
a) The period function changes the display from frequency to period.
b) Press
F4
to enter the period function. The display will change to mS if a
signal is present.
c)
In the period function, " T" will blink.
d) Press
F4
to exit the mode.
MIN/MAX DISPLAY
1. Press the “
MIN/MAX
” key to enter this function.
2. The display will indicate the maximum value, the
average value, and the minimum value since the
mode was initiated and the relative time for each
value is displayed next to the value.
3. The time format is MIN:SEC (00:00).
4. Press
F1
to reset the time and begin recording a
new series.
5. Press
F3
to pause the recording.
6. Press
F2
to resume recording after
F3
is pressed.
TRIG
t
T
DUTY