Tektronix 549 Instruction Manual page 103

Calibration— Type 549
j. Set the DELAY TIM E M ULTIPLIER 1-10 control for a dial
reading of 1.00 and switch
switch to A DLY'D,
k. Adjust the Delay Start R436 so that she leading edge
of the time mark is at the start of the trace (see Fig. 6-33C]. l .
. Set the DELAY TIM E M ULTIPLIER 1-10 control for a dial
l
reading of 9.00 and adjust the Delay Stop R432, until the
leading edge of the time mark is at the start of the trace.
Fig. 6 -3 3 . Delay Start and Stop adjustm ent.
the H O R IZO N TA L DISPLAY
36, Check Delay Time Multiplier Incremental
Linearity
a. Equipment setup is given in step 35.
b. W ith the H O R IZO N TA L DISPLAY switch first in the B
IN T E N BY A position for rough setting and then in the A
DLY'D position, adjust the DELAY TIM E M ULTIPLIER dial so
the sweep starts on the leading edge of the
the graticule edge) 1 ms time mark.
2 nd (2 cm from