Brief Performance Checks
4-8
11. Verify that the delayed time base
is
operational, confirming the following
statements are true. •
•
The main sweep has
an
intensified zone of approximately 5.5 hori-
zontal divisions. Adjust the INTENSITY level if necessary to view the
entire intensified zone.
• Rotating the General Purpose Knob clockwise moves the intensified
zone to the right on-screen. Position the intensified portion to the
center of the screen.
12. Adjust the
delayed sec/div scale to 200 Ils.
13. Set MAIN
to
Off and confirm that only the delayed sec/div scale
is
displayed and the period of the square-wave signal
is
about five horizon-
tal divisions.
14.
Set MAIN
to
On and DELAY to Off.
Verify the Trigger System
1.
Press the WAVEFORM OFF button until the readout indicates channel 1
is
the only selected channel.
2.
Press the AUTOSET button.
3.
Set the sec/div scale to 1 ms.
4.
Press the TRIGGER MENU button and set
MODE
to
Auto.
5.
Verify that the main trigger
is
operational, confirming that the following
statements are true.
• Rotating the trigger LEVEL control changes the main trigger level
readout.
• Rotating the trigger LEVEL control through its range triggers and
untriggers the
display. Leave the signal untriggered.
• Pressing the SET LEVEL
TO
50% button triggers the signal and the
trigger
level readout indicates approximately 2.7
V.
6.
Press the HORIZONTAL MENU button and set DELAY
to
On.
7.
Set the delayed sec/div scale to 500 Ils.
8.
Verify that the delayed sweep
is
operational, confirming that
an
intensi-
fied zone appears on the main sweep.
9.
Press the TRIGGER MENU button and set
MODE
to
Trig After and
SRC
to
Ch1.
Performance Verification
•
•
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