Calibration
—Type
3B5
Fig.
6-8.
(A) Typical CRT display showing correct basic timing; (B> location of CAL adjustment (front panel)
8.
Check
Variable
Control
Range
a.
Set
the
time-mark
generator
for
10-millisecond
markers.
b.
Position
the
markers
to
the far left
and
right
vertical
graticule
lines
with
the
POSITION
control.
c.
Turn
the
VARIABLE
control
fully counterclockwise.
d.
CHECK
—
CRT
display
for
four-division
maximum
spac
ing
between
markers
(2.5:1
range;
see
Fig.
6-9).
UNCAL
readout
must
come
on
and
s/DIV readout
must
be
off
when
VARIABLE
control
is
out
of
the CAL
position.
e. Return
the
VARIABLE
control
to
the
CAL
position.
9.
Check
Sweep
Length
a.
Set
the
time-mark
generator
for
one-millisecond
and
0.1
-millisecond
marker
output.
b.
Position
the
eleventh one-millisecond marker
to
the cen
ter
vertical
line with
the POSITION
control.
c. CHECK—
CRT
display for
sweep
length
between
10.3
and
11.3 divisions as
shown
by
0.3
to
1.3
divisions of
display
to
the right
of
the
center vertical
line
(see
Fig.
6-1
0A).
Large
markers
in
the
display
indicate
divisions
and
small
markers
indicate
0.1
division
(unmagnified
only).
d.
Set
the DLY'D
SWP MAG
switch
to
X10.
e. CHECK—
CRT
display
for
sweep
length
between 12
and
15
divisions
as
shown
by
two
to
five
divisions
of
display
to
the
right
of
the
center
vertical
line
(see Fig.
6-1
0
B).
Spacing between
markers
must
be four divisions or
less
for 2.5:1
range
Fig.
6-9. Typical CRT display when checking VARIABLE control
range.
6-11
Summary of Contents for 3B5
Page 4: ...Fig 1 1 Type 3B5 Automatic Programmable Time Base unit Type 3B5...
Page 15: ...Operating Instructions Type 3B5 TYPE 3B5 CONTROL SET UP CHART Fig 2 2 Control set up chart 2 7...
Page 48: ...CO I o Fig 3 13 Delay and Timing Circuit logic block diagram Circuit Description Type 3B5...
Page 61: ...GO i GO GO Fig 3 22 Seek Ciicuit Logic block diagram Circuit Description Type 3B5...
Page 70: ...u k KJ Fig 3 29 Circuit conditions for Manual Mode operation Circuit Description Type 3B5...
Page 71: ...w K w Fig 3 30 Circuit conditions for Seek Mode operation Circuit Description Type 3B5...
Page 72: ...w I u U Fig 3 31 Circuit condition for External Mode operation Circuit Description Type 3B5...
Page 88: ...Maintenance Type 3B5 Fig 4 9 Location of components on Logic Card 4 14...
Page 89: ...u Oi Fig 4 10 Location of components on Counter Card Maintenance Type 3B5...
Page 92: ...NOTES I...
Page 104: ...NOTES...
Page 106: ...Calibration Type 3B5 Fig 6 1 Recommended calibration equipment...
Page 160: ......
Page 176: ...J400 RtADOUT BOARD 3B5 PLUG IN A READOUT...
Page 182: ...397 R E A D O U T B O A R D 10 6b READOUT BOARD...
Page 184: ...FIG 1 FRONT SWITCHES TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Page 185: ...FIG 2 CHASSIS REAR 3 GS to TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Page 186: ...OPTIONAL ACCESSORIES...