Tektronix 5441 Instruction Manual page 59

Performance Check Procedure-5441lR5441
PERFORMANCE CHECK
A. DISPLAY & STORAGE
Equipment Required
Time-base unit
Amplifier unit
Install Plug-in Units
lnstall the amplifier unit in the vertical compartment and
the time-base unit in the horizontal compartment.
Initial Control Settings
Set the following controls during warm-up time:
5441 Oscilloscope
INTENSITY, FOCUS Set for well-defined trace
and normal brightness.
Amplifier Unit
Display On
Position Centered
CH 1 VoltsIDiv .1
CH 1 Cal Fully clockwise
CH 1 Input coupling Dc
Trigger CH 1
Mode
CH 1
Time Base Unit
Display Alt
Position Centered
Main SecIDiv 1 ms
Main Variable Cal
Swp Mag Off
Main Triggering
+
Slope
Auto Trig
AC Coupl
Trig Source Left
1. Check Trace Alignment
a. Position the horizontal trace over the center horizon-
tal graticule line.
b. CHECK-For alignment error of 0.1 div or less.
c. Press the POWER switch to turn off the oscilloscope.
d. Interchange the amplifier and time-base units in their
respective compartments. Pull the POWER switch to on.
e. Position the vertical trace over the center vertical grat-
icule line.
f. CHECK-For alignment error of 0.1 div or less.
2. Check Geometry
a. Set the FOCUS and INTENSITY controls for a well-
defined trace, extending vertically above and below the grat-
icule line.
v
b. CHECK-Vertical bowing and tilt of the trace display
is less than 0.1 division when positioned horizontally across
the entire graticule line.
c. Press the POWER switch to turn off the oscilloscope
and interchange the amplifier and time-base units.
d. Pull the POWER switch to on.
3. Check Beam Finder
a. Press the BEAM FINDER switch.
b. CHECK-The display is compressed within the grati-
cule area and is intensified.
c. Press and hold the BEAM FINDER switch in, then ro-
tate the Position control of the vertical amplifier and the
time-base unit fully clockwise and counterclockwise.
d. CHECK-The display is compressed within the grati-
cule area and is intensified.
REV MAY 1982