Tektronix 1760 Manuel d'utilisateur télécharger pdf (Page 63)

Operator’s Checkout Procedure

1760 Series Component Waveform/Vector Monitor User Manual

2-25

13. SCH Display (Option SC Only)

The

SCH display mode provides a vector display of the

subcarrier-to-horizontal-sync phase rel ationship. (SCH

measurements appear on page 4-10.)

For NTSC operation, verify that

REF is set to internal, then

select

SCH display mode. This provides a dual-dot display,

as shown in Figure 2-17. Select

EXT REF. This provides the

single-dot display, shown in Figure 2-18.

For PAL operation, the

REF selection does not affect the

display. A sample PAL display is shown in Figure 2-18.

VECTOR PHASE

Figure 2-17. NTSC SCH display with internal reference selected.

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Tektronix 1760 Manuel d'utilisateur Page 63