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Texas Instruments MC-780PIx User Manual

Page 20

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Internal Switches

2-8

Nomenclature and Use of Each Component

Table 2–9. Option Output Switch S1

Switch Position

Output Signal

Upper

Shutter monitor output

Lower

Pixel clock output

Figure 2–7. Option Output Switch S1

Upper

Lower

2.3.3

Gamma Switch SW1

Gamma switch SW1 changes the gamma characteristics as listed in
Table 2–10 and shown in Figure 2–8.

Table 2–10.Gamma Switch SW1

Switch Position

Gamma Characteristics

Upper

γ

[gamma] = 1 (OFF)

Center

Not used

Lower

γ

[gamma] = 0.45 (ON)

Figure 2–8. Gamma Switch SW1

Upper

Center

Lower

2.3.4

AC/DC Output Switch SW4

Switch SW4 switches the output between ac and dc as listed in Table 2–11 and
shown in Figure 2–9.

Table 2–11. AC/DC Output Switch SW4

Switch Position

Output Conversion

Upper0

DC output

Center

Not used

Lower

AC combined output

Figure 2–9. AC/DC Output Switch SW4

Upper

Center

Lower