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RS-232C
98
UART Communication Format
Commands, parameters and data are all transmitted in ASCII code.
Function
Command
Parameter Data Contents
Auto Focus AF 0 ■■ To perform the one-shot auto focus
Focus adjustment FO + (Near) ■■ To adjust the focus
– (Far)
0 (Stop)
Zoom adjustment ZO + (Tele) ■■ To adjust the zoom
– (Wide)
0 (Stop)
Iris adjustment IR + (Open) ■■ To adjust the iris
– (Close)
0 (Stop)
1 (Auto)
2 (Manual)
Lighting selection PL 0 (OFF) ■■ To turn ON/OFF the lighting
1 (ON)
Display mode AV 0 (Camera) ■■ To switch the display mode
selection 1 (RGB IN)
2 (SD)
Direction KE 0 (Menu) ■■ To scroll in the direction indicated by arrow when
1 (Enter) the digital zoom is in operation
2 (→) To select and determine an image on the split
3 (←) screen
4 (
↑
)
5 (
↓
)
Pause FZ 0 (OFF) ■■ To freeze the image
1 (ON)
Guide GU 0 (OFF) ■■ To set whether the main unit operation state should
1 (ON) be displayed on the screen or not
Display DP 0 (Single) ■■ To select whether the images in the SD card mode
1 (3×3) should be displayed on the split screen or not
2 (4×4)
Transmission Specifications
• Full duplex start-stop sync. mode
• Start bit : 1 bit
• Data bit : 8 bits
• Stop bit : 1 bit
• Parity bit : None
• X parameter : None
• Baud rate (Communication speed) : 9600bps