Tektronix SPG300, Service Manual, Page: 80 / 176

Performance Verification
4-8
SPG600 & SPG300 Sync Pulse Generators Service Manual
g. Press the up (
S
) or down (
T
) arrow button to select GENLOCK
SOURCE .
h. Press the left (
W
) or right (
X
) arrow button to select NTSC Burst .
i. Press the ENTER button.
21. Verify that the vector display (CH-B) is locked and that the EXT.REF LED
on the sync pulse generator lights.
22. Press the left (
W
) or right (
X
) arrow button to select PAL Burst .
23. Press the ENTER button.
24. Verify that the vector display is unlocked.
25. Press the left (
W
) or right (
X
) arrow button to select 525 SYNC .
26. Press the ENTER button.
27. Verify that the vector display is locked.
28. Output NTSC subcarrier signal from the TV signal generator (AGL7 module)
as follows:
a. Press and hold the MODULE , FORMAT , and FRONT PANEL
ENABLE buttons on the TV signal generator (TG700) simultaneously
until the message TG700 TV Signal Generator Platform Initializing
System appears in the display, then release the MODULE and FORMAT
buttons to re-start the instrument in Factory mode.
b. Wait until TG700 Preset appears.
c. Press the MODULE button to select AGL7 .
d. Press the up (
S
) or down (
T
) arrow button to select SELECT OUTPUT .
e. Press the left (
W
) or right (
X
) arrow button to select BLACK 1 , and then
press the ENTER button to display the OUTPUT menu.
f. Press the left (
W
) or right (
X
) arrow button to select CAL , and then press
the ENTER button to display the SIGNAL submenu.
g. Press the left (
W
) or right (
X
) arrow button to select NTSC Subcarrier
(1Vp-p) , and then press the ENTER button.
29. Press the left (
W
) or right (
X
) arrow button to select CW 3.58 MHz .
30. Press the ENTER button.
31. Verify that the vector display is locked and that the EXT.REF LED on the
sync pulse generator lights.