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

Modes and Initial Switch 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	Ð	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	Ð	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

5-2 Initial Settings