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92B/96B/99B/105B Users Manual

Selecting TV System and Scan Rate

Before using TV triggering, make sure that the test tool is set for the correct TV system and scan rate.

The TV system setting is shown at the top of the display, as shown in Figure 5-13.

 

 

 

 

 

 

 

 

TV Trigger

 

TV System

 

 

 

Video

 

 

 

 

 

 

 

Function

PAL

 

 

=Positive

 

 

 

 

LINES

PAL/M

 

 

FRAME

NTSC

 

 

=Negative

LINE :###

 

 

SECAM

 

 

 

 

NON-INTERLACED

 

 

 

 

Figure 5-13. TV system and trigger function indicator

To verify or change TV trigger settings, do the following:

1.From the TV Trigger Menu (see Figure 5-12):

Press to display the TV trigger settings in the MORE TRIGGER menu.

This menu lists all of the present TV trigger settings.

2.Use to highlight the setting to be changed;

then press to select.

3.Use to highlight the desired setting; then

press to select.

NOTE

If the TV trigger settings are incompatible with the TV system under test, the test tool might not display a stable picture or might select a wrong line number.

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Fluke 105B, 99B manual Selecting TV System and Scan Rate, TV system and trigger function indicator

99B, 105B specifications

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