OPERATIONAL CHECK
This section describes a sequence to confirm the basic operation of the instrument. It
should be performed after receiving the instrument. It is a useful learning exercise as
well.
Before proceeding with this procedure, finish reading this instruction manual
thoroughly. Then read the “Local Control” section of the “Programming Manual for -B
Instruments” thoroughly. The “Local Control” section describes the front panel controls
used in this operational check - in particular, the MOVE, CHANGE, and ADJUST
controls.
1. Connect a cable from the SYNC OUT connector to the TRIG input of an
oscilloscope. Connect a 2W (or higher), low-inductance (not wirewound) 50Ω load
to the OUT1 connector and place the scope probe across this load. Do the same
with a second load and probe to the OUT2 connector. Set the oscilloscope to
trigger externally with the vertical setting at 20 Volts/div and the horizontal setting at
100 ns/div.
The oscilloscope should have a bandwidth of at least 500 MHz.
2. Turn on the AVR-3-PW-TEK3-B. The main menu will appear on the LCD.
3. To set the AVR-3-PW-TEK3-B to trigger from the internal clock at a PRF of 1 kHz:
a) The arrow pointer should be pointing at the frequency menu item. If it is not,
press the MOVE button until it is.
b) Press the CHANGE button. The frequency submenu will appear. Rotate the
ADJUST knob until the frequency is set at 1 kHz.
c) The arrow pointer should be pointing at the “Internal” choice. If it is not, press
MOVE until it is.
d) Press CHANGE to return to the main menu.
4. To set the delay to 100 ns:
a) Press the MOVE button until the arrow pointer is pointing at the delay menu
item.
b) Press the CHANGE button. The delay submenu will appear. Rotate the
ADJUST knob until the delay is set at 100 ns.
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