Display mode: B, B/B, 4B, B+M, and M Thank you for visiting website Thank you for visiting websiteMain functionsDisplay mode: B, B/B, 4B, B+M, and MMagnification: ×0.8, ×1.0, ×1.2 (Depth hoist display), and × 1.5,×1 .8, ×2.0 (Depth hoist display)Dynamic range: 64~96dB adjustableFocusing: Four sections of dynamic electronic focusing may be elected.Pre-processes: changeable aperture, dynamic ...