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Texas Instruments MC-780PIx User Manual

Page 16

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Rear Panel Switches and Terminals

2-4

Nomenclature and Use of Each Component

Table 2–2. External Synchronization Terminal Resistance Switch SW4

Switch Position

Terminal Resistance Value

Left

75

Center

100 k

Right

150

Figure 2–2. External Synchronization Terminal Resistance Switch SW4

Center

Left

Right

Note:

When outputting internal sync signal, set the switch to 100 k

.

2.2.3

Mode Switches SW3

The SW3 mode switches control the functions listed in Table 2–2 and
Table 2–4.

Table 2–3. Mode Switches SW3

Switch No.

Mode

Operation

1

Shutter 1

Refer to list below

2

Shutter 2

Refer to list below

3

External sync

ON for external sync

4

External sync

ON for external sync

5

Interlace/noninterlace

ON for interlace

6

Not used

Table 2–4. Shutter list

Shutter 1

Shutter 2

Mode

OFF

OFF

Shutter OFF (1/60 sec. exposure)

ON

OFF

Continuous shutter, see Note 1

ON

ON

Continuous shutter, see Note 2

OFF

ON

V.I. (Variable Integration)

Notes:

1) V reset not done when external trigger is input.

2) V reset done when external trigger is input.

2.2.4

Gain Mode Switch SW2

Gain mode switch SW2 controls the gain as shown in Table 2–5 and
Figure 2–3.