Si-Tex SVS-760 Color Echo Sounder. The SVS-760 Digital Echo Sounder is an affordable color machine that combines professional grade features and fishfinding performance with a large and brilliant high-definition LCD display. The dual-frequency (50/200kHz) sounder features 600W output and a 7. 5 color LCD display that is sunlight viewable. The vertically oriented 480x800 pixel display provides maximum sonar resolution. It meets IPX-7 waterproof standards, offers depth ranges to 4,800' and features large, clearly marked controls and large rotary knobs for easy and intuitive operation. All digital technology eliminates unwanted noise and provides the clearest image in all operating conditions.