Table of Contents
Advertisement
61
Complete
the following procedure:
(1)
Connect
the
test
equipment
as
shown
in
Figure
6.17.
COUNTER
TRIG
LEVEL
OSCILLOSCOPE
A OUTPUT
-o
^
PROBE
(
2
)
(3)
(4)
(5)
(
6
)
(7)
(
8
)
(9)
(
10
)
(
11
)
(12)
Fig.
6.17
Connections
for
Trigger Level
PVP
(!)
Set the
multimeter
to
measure
DC
volts.
For
Inputs
A
and
B,
press the
key sequence
TRIG LEVEL
TRIG
LEVEL
.
Verify that
the
multimeter
indicates
+5V
±
60
mV.
Move
the
oscilloscope
probe
to
the
TRIGGER
LEVEL
B
OUTPUT
pin
and
verify
that the
multimeter
indicates
+5V
±
60
mV.
For
Inputs
A
and
B, press the
key sequence
TRIG LEVEL
1
TRIG
LEVEL
.
Verify that the
multimeter
indicates
0V
± 10
mV.
Move
the oscilloscope probe
to the
TRIGGER
LEVEL A
OUTPUT
pin
and
verify
that the
multimeter
indicates
0V
±
10
mV.
Press the
key sequence
TRIG LEVEL
H
S
SHIFT]
[t
TRIG LEVEL
.
Verify that the
multimeter
indicates
-5V
t 60
mV.
Move
the
oscilloscope
probe
to
the
TRIGGER
LEVEL
B
OUTPUT
pin
and
verify
that the
multimeter
indicates
-5V
t 60
mV.
Disconnect
the
test
equipment.
6-34
Advertisement
Table of Contents
