Fluke 123/124/125
Service Manual
3-28
ST8141.WMF
Figure 3-10. Test Tool Input A to TV Signal Generator
2. Select the following test tool setup:
• Reset the test tool (power off and then on with
).
• Fluke 123/124: press
/ to open the SCOPE INPUTS menu.
• Fluke 123/124: Press
to open the TRIGGER menu and choose:
VIDEO on A...
From the shown VIDEO TRIGGER menu choose:
SYSTEM: NTSC or PAL or SECAM
LINE: SELECT
POLARITY: POSITIVE
• Fluke 125: press
to open MENU.
• Fluke 125: Press
to open the TRIGGER menu and choose:
VIDEO on A...
From the shown VIDEO TRIGGER menu choose:
SYSTEM: NTSC or PAL or SECAM
LINE: SELECT
•
POLARITY: POSITIVE
• Using
set the Input A sensitivity to 200 mV/div.
• Using
select 20 μs/div.
• Press
to enable the arrow keys for selecting the video line number.
• Using
select the line number:
⇒ 622 for PAL or SECAM
⇒ 525 for NTSC.