Fluke 93 Service Manual page 78

PERFORMANCE
VERIFICATION
PROCEDURE
4-9
Procedure/requirements
for
channel
A
trigger eensitivlty
measurement:
K
Repeat
steps
G,..
I
for channel A,
L
Repeat
steps
A...F for
channel
A.
18.
Timebase
This
test
uses
a marker
pulse
calibration signal
to
verify the deflection coefficient
of
the
time base.
Test equipment:
Tektronix
TG
501 Time Mark Generator
Teat
set-up:
ScopsMeter
Procedure/requirementa:
A
Apply a
1
ps
(1
V
peaMo>peak)
time
marker
signal
to
channel
A.
Use a
50A
termination.
B
Verify that the distance
between
the
1
0*^
marker
pulse
and
the
10^
vertical grid line
is
the
same
as
the distance
between
the
2^
marker
pulse
and
the 2"^
vertical grid
line.
(Tolerance
±
1
pixel
= ±
0.04
divisions).
F/gure
4.
6
The
Ofstance
Oetween
the
70'* marker pulse
the
werttcat
grkS
Une
must he
the
same
as
the distance
between
the
2"®
marker
pt^se
and
the
2^
vertical
grid
line.