Tektronix 7B10 Instruction Manual page 64

B2.
CHECK SWEEP
LENGTH
AND
POSITIONING
RANGE
SETUP CONDITIONS
NOTE
//
the
preceding step
ivas
not performed,
first
refer
to
the Horizontal
System
Preliminary
Control Settings,
then proceed
with the
following
instructions.
B2
SETUP CONDITIONS
7810
Controls
No change
in settings
Time-Mark
Generator
Vertical
Amplifier
(Ml
freq) 0.5
V/div
(2
div display)
Time Mark
Generator
1
ms
a.
Horizontally position
the
display to
place the second
time marker
to
the
first
graticule
line.
b.
CHECK
'That the
end
of the
sweep
is
beyond
9.2
graticule divisions (indicates
sweep
length
of at least
10.2
divisions.)
c.
Set the
POSITION
and FINE
controls
fully
clockwise.
d.
CHECK-
The
start of
sweep
must
be
to
the
right of
graticule center.
Calibration Part
I—
7B10
Performance
Check
B3.
SETUP CONDITIONS
/BIO
Controls:
MAG
.
XI 0
(out)
I
Time Mark
Generator
o
Vert
Amp 7B10
1
—
u
Venical Amplifier
{H\ Freq)
Time-Mark
Generator
0.5 V/div
(2
div display)
0.1
ms
r
a.
CHECK—
For
1
marker/division over the center 8
divisions of display (position as necessary).
b.
Set the
time-mark generator
for
5-millisecond
markers. Align the center time
marker
with
graticule
center.
c.
CHECK
-Set
the
MAG
switch
to
XI and check
that
the center time
marker
is
at
graticule center within 0.5
division.
B4.
CHECK
VARIABLE
TIME/DIVISION
AND
VARIABLE
HOLD OFF
SETUP CONDITIONS
NOTE
If
the
preceding
step
was
not performed,
first
refer
to
the Horizontal
System
Preliminary
Control Settings,
then proceed
with the
following
instructions.
e.
Set
the
POSITION
and FINE
controls
fully
counterclockwise.
f.
CHECK—
The end
of
sweep must be
to
the
left
of
graticule center.
B3.
CHECK
MAGNIFIER GAIN
AND
REGISTRATION
SETUP CONDITIONS
NOTE
If
the preceding step
was
not performed,
first
refer
to
the Horizontal
System
Preliminary
Control Settings,
then proceed
with the
following
instructions.
5-13