Tektronix 5441 Instruction Manual page 75

Adjustment Procedure-5441/R5441
C. STORAGE
Equipment Required
Time-base unit
Amplifier unit
Screwdriver
Control Settings
5441 Oscilloscope
INTENSITY
FOCUS
GRAT ILLUM
READOUT INTENS
POWER
WRITING SPEED
PERSIST
Amplifier Unit
Position
Input coupling
Mode
Trigger
CH 1 VoltsIDiv
Time-Base Unit
Main Triggering
Trig Source
Position
Mag
Main SecIDiv
Display mode
Counterclockwise
Midrange
Midrange
Off
On
Fully clockwise
Fully clockwise
Midrange
dc
CH 1
CH 1
1
v
Auto Trig
Line
Midrange
X 1
.2 psec
Main Swp
1.
Preset Storage Adjustments
a. R590 OP Level to 10:OO.
R572 Prep Level to 10:OO
R655 CE1 to 6:00
R600 CE3 to 6:00
(Located on Storage board, see Fig. 4-4.)
c. Push and hold the ERASE button in.
d. CHECK-for repetitive flashes.
e. Release the ERASE button.
3. Adjust Storage Levels
a. ADJUST-CE1 and CE3 to fully and evenly flood the
screen.
b. Alternate pushing ERASE and turning the Op Level
counterclockwise until the screen fades to a barely visible
glow.
c. Alternate pushing ERASE and turning the Prep Level
counterclockwise until the screen brightens to a uniform
glow.
4. Check Screen and Target
a. Push ERASE.
b. CHECK-that there are no stored traces present.
c. CHECK-that the screen does not flicker
d. CHECK-crt for spots and any other target defects.
b. Push the STORE button in.
e. Turn WRITING SPEED fully counterclockwise.
2. Check Erase
a. Push the ERASE button.
b. CHECK-for one flash.
f. CHECK-for no background glow.
g. Turn WRITING SPEED clockwise and release
STORE.
REV MAY 1982