User manual LOWRANCE HDS7 TECHNICAL SPECIFICATIONS

[. . . ] [. . . ] Both of the devices in the HDS7 product family have a built-in GPS receiver. The HDS7m does not include the SONAR option. Physical specifications Specification Case size Display Measurement HDS-7: 6. 4" H x 8. 8" W x 3. 5" D (16. 3 x 22. 4 x 8. 8 cm), 3. 10 lbs HDS-7: 6. 4" (16. 3 cm) diagonal high contrast 16-bit color TFT, 640 x 480 pixel resolution GPS Performance Specification GPS receiver channels GPS antenna type Acquisition time Reacquisition Update rate Accuracy Sensitivity Frequency Measurement Built in 16 parallel channel internal antenna, external antennas supported via NMEA 0183 and NMEA 2000 Internal, high-sensitivity GPS+WAAS (Americas) or GPS+EGNOS+MSAS (non-Americas) Approximately 2. 5 seconds (hot start) and 40 seconds (cold start) 1 sec 1/sec 2. 5m (no SBAS) -159 dBm 1575. 42MHz (L1) Power Specification Power requirement Supply current NMEA 2000 Measurement 10-18 Volts DC 0. 8A at 13VDC with backlight on, 0. 4A with backlight off 1 Network load (50 mA) Sonar Specification Max depth Transducer Type Transducer Frequency Output power Measurement Max 5000 ft \ 1524 m Choice of dual frequency Skimmer 50/200 or 83/200 kHz Max 250W/32W RMS actual; 30, 000/3, 750 RMS analog equivalent W [. . . ] [. . . ]