Tektronix 549 Instruction Manual page 90

TIME BASE B TRIGGERING ADJUSTMENTS
IM P O R T A N T
ColltmaHon must be w ith in
cations before perform ing
ments. See step 53 .
Type 549
CRT controls
IN T E N S IT Y
FOCUS
A STIG
SCALE ILLUM
Storage controls
EN H A N C E MODE
EN HANC E LEVEL
UPPER SCREEN
STO RA G E
LO W ER SCREEN
STO RA G E
SCREEN SELECTOR
V IE W IN G TIM E
A U TO ERASE
H O R IZO N TA L DISPLAY
F ig . 6-18. E q u ip m e n t s e t u p fo r s te p s 2 0 t h r o u g h 2 4 .
performance specifi*
sweep tim ing adjust-
Nominal brightness
Midrange
Midrange
As desired
O FF
M IN
OFF
O FF
FULL
M IN
OFF
B
M A G NIFIER
N O R M -SIN G LE SW EEP
A TIM E/C M
VARIABLE
B TIM E/C M AND
D E W Y TIM E
LEN G TH
10
DELAY TIM E M ULTIPLIER 1-
TRIG G ERIN G controls |both A and B)
LEVEL
S TA B ILITY
Lever controls
H O R IZ O N TA L P O SITIO N
A M PLITUD E CALIBRATOR
Test Plug-In Load/Pulser Unit
Test Function
Variable
Vertical Position
Repetition Rate
Amplitude
Te st Oscilloscope
Time /cm
Volts/cm
Calibration— Type 549
OFF
NO RM
0.1 mSEC
CAL
0.1 mSEC
Clockwise
1.00
Clockwise
Clockwise
All in up position
Midrange
1 V O LT
High Load
Counterclockwise
Midrange
Low
Counterclockwise
0.5 msec
0.5