Avtech AVMP-4-B, Instructions Manual

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7. To enable the output:
a) Press the MOVE button until the arrow pointer is pointing at the output menu
item.
b) Press the CHANGE button. The output submenu will appear.
c) Press MOVE until the arrow pointer is pointing at the “ON” choice.
d) Press CHANGE to return to the main menu.
8. To change the output amplitude:
a) Press the MOVE button until the arrow pointer is pointing at the amplitude
menu item.
b) Press the CHANGE button. The amplitude submenu will appear. Rotate the
ADJUST knob until the amplitude is set at +10V (or -10V for "-N" models).
c) Observe the oscilloscope. You should see 60 ns wide, 10V pulses. If you do
not, you may need to adjust the delay setting to a value more compatible with
your sampling oscilloscope. Repeat step 4 if required. You may also need to
adjust the sampling scope controls.
d) Rotate the ADJUST knob. The amplitude as seen on the oscilloscope should
vary. Return it to 10V.
e) ("-PN" units only) Press the +/- button on the front panel. The amplitude as
seen on the oscilloscope should flip polarity, to -10V.
f) Press CHANGE to return to the main menu.
9. To set the pulse width to 2 us:
a) Press the MOVE button until the arrow pointer is pointing at the pulse width
menu item.
b) Press the CHANGE button. The pulse width submenu will appear. Rotate the
ADJUST knob until the pulse width is set at 2 us.
c) Observe the oscilloscope. You should see 2 us wide, 10V pulses. If you do not,
you may need to adjust the delay setting to a value more compatible with your
sampling oscilloscope. Repeat step 4 if required. You may also need to adjust
the sampling scope controls.
d) Press CHANGE to return to the main menu.
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