Waveform Addition/Subtraction; Frequency Measurement - Tenma 72-6802 User Manual

6. Use the vertical ALT/CHOP
switch to select how the two
waveform appear on the
display: alternately (ALT mode)
or simultanouesly (CHOP
mode). See page17 for details.
7. If necessary, use the
VOLTS/DIV knob and vertical
POSITION knob to adjust the
vertical scale and position of
the waveform.
8. If necessary, use the TIME/DIV
knob and horizontal POSITION
knob to adjust the horizontal
scale and position of the
waveform.
Note
The trigger ALT switch does not
work when the ALT/CHOP switch
is in the CHOP position.
MEASUREMENT

Waveform Addition/Subtraction

Steps

Frequency Measurement

Frequency
shown on the
LCD
Frequency
measurement
using the CH1
output
31 32
1. Make sure both CH1 and CH2
waveforms appear on the
display. For details, see page30.
2. Set the vertical MODE switch to
the ADD position. The two
waveforms are added and
appear on the display as a
single waveform.
3. To subtract the CH2 signal from
the CH1 signal, invert the CH2
signal by pressing the CH2 INV
switch.
The frequency of the input signal appears on the
LCD display and is constantly updated.
The CH1 signal frequency can be
measured using an external device
such as frequency counter, via the
rear panel terminal.
72-6802 User Manual