Texas Instruments MC-780PIx - 5.1 Modes and Initial Switch Settings

Modes and Initial Switch Settings
5-2
Initial Settings
5.1 Modes and Initial Switch Settings
With this unit it is possible to switch the operating modes to suit the intended
use. All mode settings can be set with switches. Table 5–1 summarizes the
modes and initial switch settings.
Table 5–1.Modes and Initial Switch Settings
Function Initial Setting Setting Switch
Shutter speed switch — Rear panel SW1
Gain (sensitivity) Fixed gain Rear panel SW2
- Fixed gain
- Variable gain
- AGC
Electronic shutter OFF Rear panel SW3 – 1, 2
- OFF 1/60 seconds
- continuous shutter
- Random shutter (V fixed)
- Random shutter (V reset)
- VI shutter (optional exposure period)
Internal/External Sync Internal sync Rear panel SW3 – #, 4
Interlace/Non-Interlace Interlace Rear panel SW3 – 5
Sync signal input/output impedance 75Ω Rear panel SW4
- 75Ω/150Ω/100kΩ
Gain variable volume — Rear panel VR1
Sync signal input/output Input Clock board SW1
Optional input/output shutter monitor out Clock board S1
- Shutter monitor output
- Pixel clock output
γ switch characteristics γ = 1 Process board SW1
- γ = 1/0.45
Output signal coupling AC combined output Process board SW4
- AC combined out/DC output
Outline emphasis circuit (PIH only)
OFF Process board SW2