Tektronix Camcorder 1780-R Uživatelský manuál stáhnout pdf (Strana 57)

Operating Instructions

1780R-Series Operator’s Manual

3–5

Figure 3–2: Line Select Menu Screen with <1 OF 8> Fields selected

For software versions 1.13 and up: A dual Line Select mode is

available for making ICPM measurements when in Line Select. It is

described in Section 4, under ICPM Measurement.

Phase Shift

This switch enables precision phase shift measurements. Phase

readout appears in the upper left-hand corner of the vectorscope

CRT.

This readout changes as the phase is shifted, indicating the degrees

of change since the phase reference was set.

Reference Set

This switch is used in Phase Shift mode, to store displayed phase as a

reference and reset the readout to 0.00; in Voltage Cursor mode with

<RELATIVE> selected, to store the displayed voltage as a reference

and reset the readout to 100%; and in Line Select mode to access the

vertical interval (line 19).

Operating Instructions

1780R-Series Operator’s Manual

3–5

Figure 3–2: Line Select Menu Screen with <1 OF 8> Fields selected

For software versions 1.13 and up: A dual Line Select mode is

available for making ICPM measurements when in Line Select. It is

described in Section 4, under ICPM Measurement.

Phase Shift

This switch enables precision phase shift measurements. Phase

readout appears in the upper left-hand corner of the vectorscope

CRT.

This readout changes as the phase is shifted, indicating the degrees

of change since the phase reference was set.

Reference Set

This switch is used in Phase Shift mode, to store displayed phase as a

reference and reset the readout to 0.00; in Voltage Cursor mode with

<RELATIVE> selected, to store the displayed voltage as a reference

and reset the readout to 100%; and in Line Select mode to access the

vertical interval (line 19).

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