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Operating Information
1780R-Series Service Manual
2–31
Functional Measurement Controls
Functional Measurement Controls are shown in Figure 2–19. Note that the
numerical entries are enclosed in rectangles instead of the circles that were used
in Figure 2–18.
123 4 8
5
6
7
9
10
19 20 18 17 16 15
11
12
13
14
Figure 2–19: The right front panel for the Tektronix 1780R-Series, showing the
Functional Measurement Controls
1. VECT / SCH. Momentary contact switch that cycles through selections of
the Vector, SCH phase or a combination of both for display on the vector-
scope CRT. Small front-panel light-emitting diodes indicate the selected
display.
2. XY / PIX. Momentary contact switch that selects the XY or picture monitor
display for the vectorscope CRT. Can be selected when SCH phase or Vector
display is operating. Small front-panel light-emitting diodes indicate the
selected display.
Left Display