Operating instructions
Performance
Check
and
Adjustment-71380
b
.
Setthe
POSITION
controls to
midrange
and
TRIG-
GERING
MODE
to
NORM
.
N/
c
.
CHECK-Using
the
TIME/DIV
setting
and
time-mark
generator
settings
from
Table
5-2,
check
sweep
accuracy
for
1
time
mark/division
over
the
center
8
divisions
with-
in
the
tolerance
given
in
Table
5-2
.
Set the
POSITION
controls
and
TRIGGERING
LEVEL
control
as
necessary
for
a
stable
display
aligned
with
the
vertical
graticule
lines
.
NOTE
If
the
time-mark
generator
used does
not
have
1-2-5
sequence
markers,
apply
1
unit
markers
in
place
of
2
unit
markers
and
check
for
2
markers/
division,
over
the center
eight
divisions
of
display,
to
the
tolerances
given
in
Table
5-2
.
-/
B7
.
CHECK
MAGNIFIED
SWEEP
TIMING
NOTE
The
tolerances
in
Table
5-3 are for
an
ambient
temperature
range
of
+15
°
to
+35
°
C
.
If
outside
this
range,
see the
Specification
section
for
applicable
tolerances
.
a
.
Center
the
display
horizontally
on
the
graticule
.
Set
the
MAG
switch
to
X10
and
the
SOURCE
switch
to
EXT
.
b
.
Connect
the
time-mark
generator
trigger
output
to
the
EXT
TRIG
IN
connector
with
a
50-ohm
cable
and
50-ohm
termination
.
/
Performance
Requirement
check
;
see
introductory
section
.
TABLE
5-2
Sweep
Timing
TIME/DIV
Time
Markers
Tolerance
(+15
°
to
+35
°
C)
10
ns
10
ns
Within
0
.2
div
20
ns
20
ns
Within
0
.2
div
50
ns
50
ns
Within
0
.2
div
.1
JAS
.1
As
Within 0
.12 div
.2
ps
.2
ps
Within
0
.12 div
.5ps
.5
ps
Within
0
.12
div
1
As
1
us
Within
0
.12
div
2
ps
2 ps
Within
0
.12
div
5
ps
5
ps
Within
0
.12 div
lops
10 ps
Within
0
.12 div
20,4s
20
ps
Within
0
.12 div
50
ps
50
ps
Within
0
.12
div
.1
ms
.1
'
ms
Within
0
.12 div
.2
ms
.2
ms
Within
0
.12
div
.5
ms
.5
ms
Within
0
.12
div
1
ms
1
ms
Within
0
.12
div
2
ms
2
ms
Within
0
.12
d
iv
5
ms
5
ms
Within
0
.12 div
10
ms
10
ms
Within
0
.12 div
20
ms
20
ms
Within
0
.12
div
50
ms
50
ms
Within
0
.12
div
.1
s
.1
s
Within
0
.12
div
.2
s
.2
s
Within
0
.12
div
.5s
.5s
Within
0
.12
div
1
s
1
s
Within
0
.32 div
2
s
2
s
Within
0
.32
div
5
s
5
s
Within
0
.32
div