... 2. B, B+B, B+A, A features 3. Zoom from 34mm~60mm A/B Scan(A scan,B scan),Optical instrument About RS8229-I A/B Scan ... , A scan,B scan Description1 . Higher resolution2. B, B+B, B+A, A ... video out17. PAL SVGA video out18. Real time clock Specifications:B mode:Frequecy: 10MHzGain control: 98dBTGC: -30dB~0dBScanning scope: angle: 53 ...