Tektronix 7B10 Instruction Manual page 73

Calibration Part II—
7B10
Adjustment and Performance Check
B.
HORIZONTAL SYSTEM
Equipment
Required; (Numbers
correspond
to test
equipment
listed in
Table
5-2)
1.
Oscilloscope
mainframe
8.
Coaxial cables
(2
required)
2.
High-Frequency
amplifier plug-in unit
1 1
.
Screwdriver
5.
Time-mark
generator
7.
Rigid plug-in
extender
BEFORE
YOU
BEGIN: B1.
SET BASIC
SWEEP
CALIBRATION
(1)
Perform the
Power-Up Sequence preceding
the
Adjustment
and Performance Check
Procedure.
(Not
necessary
if
continuing
Adjustment and Performance
Check.)
(2)
Refer
to
Section
6,
Instrument Options and
the
Change
Information
at
the rear
of
the
manual
for
any
modifications
which
may
affect this
procedure.
(3)
See
TEST POINT
ANP
AO*»USTMENT LOCATIONS
foldout
page
in
Section
8,
Diagrams and
Circuit
Board
Illustrations.
HORIZONTAL
SYSTEM PRELIMINARY
CONTROL
SETTINGS:
7B10 Time Base
TRIGGERING
LEVEL
TIME/DIV
.
.
.
MAG
VARIABLE...
POSITION
. .
.
HOLD
OFF
..
..AUTO, AC,
INT
. .
.Stable display
(TRIG'D
light
on)
1
ms
X1
CAL
IN
Midrange
MIN
Oscilloscope
Mainframe
Vertical position (plug-in)
Midrange
Intensity
Visible display
Focus
Well
defined display
SETUP CONDITIONS
r
B1
SETUP CONDITIONS
7B10
Controls:
No change
in settings
Vertical Amplifier
:(HI
Freql
0.5 V/div
(2
div display)
Time-Mark
Generator
1
ms
a.
EXAMINE—
For
1
marker/division over center
8
divisions (position as necessary).
b Set the front-panel
SWP
CAL
adjustment
for
exactly
1
marker/division over
the center 8 divisions (position as
necessary).
5-22