Humminbird 688ci HD DI Operation Manual page 170

688ci HD DI Specifications
Depth Capability . . . . . . . . . . . . . . . . . . . . . . Down Imaging®: 350 ft (106 m)
Power Output . . . . . . . . . . . . . . . . . . . 500 W (RMS), 4000 W (Peak to Peak)
Operating Frequency . . . . . . . . . . . . Down Imaging®: 455 kHz and 800 kHz
Area of Coverage . . . . . . . . . . . . Down Imaging®: 75° @ -10 dB in 455 kHz,
Target Separation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1/2 Inches (63.5 mm)
Power Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 to 20 VDC
Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550 mA
LCD Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640 V x 480 H
Transducer . . . . . . . . . . . . . XNT 9 DI T (includes built-in temperature probe)
Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)
IPX Rating . . . . . . . . . . IP67 Waterproof/Submersible @ 1 m for 30 minutes
NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, but
actual depth performance may vary due to transducer installation, water type,
thermal layers, bottom composition and slope.
NOTE: Product specifications and features are subject to change without notice.
Specifications
Traditional Sonar: 600 ft (183 m)
Traditional Sonar: 200 kHz and 455 kHz
Traditional Sonar: 25° @ -10 dB in 200 kHz,
158
45° @ -10 dB in 800 kHz
16° @ -10 dB in 455 kHz
and dust tight