Texas Instruments MC-780PIx User Manual
Page 16
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
Ω
Center
100 k
Ω
Right
150
Ω
Figure 2–2. External Synchronization Terminal Resistance Switch SW4
Center
Left
Right
Note:
When outputting internal sync signal, set the switch to 100 k
Ω
.
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.