Tektronix 310A, Instruction Manual

Page: 62 / 132

Performance Check/Calibration-Type 310A
T e s t
O s c illo s c o p e
to -b a n a n a plu g u r .w d r lv o r BNC ta b le probe
parch card
Fig. 5 -7 . E qu ipm ent required (o r ile p a 10 through 16.
C R T controls
Rear-panel controls
FOCUS Adjust for well defined display
H O R IZ G A IN Clockwise
IN TEN SITY Adjust for visible display
SCALE ILLUM
As desired (power on) 10. Check/Adjust Vertical Gain
a. Equipment required for steps 10 through 16 is shown
Vertical controls
in Fig. 5-7.
VO LTS /D IV
.1
Variable CALIBRATED b. C onnect the standard a m p litu d e calibrator
Input Coupling
DC (067-0502-00) output connector to the vortical INPUT
connector with the 42-inch BNC cable.
Trigger controls
TRIGGER + INT
c. Set the standard amplitude calibrator for a O.b-volt
Trigger Coupling-Mode AUTO
squarewave output.
TRIG LEVEL
Midrange
STA B ILITY
PRESET
d. Center the display about the center horizontal line
with the VER TICA L POSITION control
SWEEP controls
T IM E /D IV 1 MSEC
e. C H E C K -C R T display for five divisions vertical
Variable CALIBRATED
deflection.
Horizontal Display
X I MAG
PERFORMANCE CHECK ONLY
Other controls
Rear panel operational adjustment; can be adjusted as
VERTICAL
Midrange
part of a performance check.
POSITION
HO RIZONTAL
Midrange
f. A D JU S T -V E R T GAIN ADJ, R442 (see Fig. 5-8), fur
POSITION
exactly five divisions vertical deflection at the center verti
CALIBRATOR
OFF
cal line.
5-12