When using Garmin Radar and sonar modules, you will need a network expander GMS10. insTallinG The UniT Install the Wiring Harness The unit comes with a wiring harness that connects the unit to power and the transducer with one easy-toremove connection and provides interface capabilities for connecting external devices. The color code in the diagram (see page 41 for GPSMAP2008/2108) indicates the appropriate harness connections. The replacement fuse is a AGC/ 3AG - 3 Amp fuse. If it is necessary

Configuring Communications Settings To change the communications settings, from the Home screen, select Configure > Communications. serial Port 1—select the input/output format to use when connecting your unit to external NMEA devices, a personal computer, or other Garmin devices. • Garmin Data Transfer—the proprietary format used to upload, download, or exchange data with a computer or another Garmin unit. • Garmin Remote sonar—allows you to connect a GarminGSD 21orGSD 22serially. • NMEA In/NME

QuadraBeam PLUS™ starts with two fan-shaped 35° 455 kHz Side Structure locating sonar beams to spot fish, bait and structure to the left and right of the boat over an area of the bottom that’s always equal to twice your depth. For a detailed view below the boat, QuadraBeam PLUS™ uses DualBeam PLUS™ technology, with precision 20° and wide 60° beams. QuadraBeam PLUS™ finds more fish faster, and can even tell you where to put your bait by showing if fish are to the left, right or directly beneath y

3. Press v or ^ to select the clarity level, then press EXIT|EXIT|EXIT. Surface clutter In the illustration on the left, Surface Clarity is turned off. The view on the right shows Surface Clarity set on high. Zoom & Zoom Bar "Zooming in" is a common, fast and easy method to enlarge small detail like fish signals and bottom structure. This unit lets you zoom in quickly and easily by pressing the ZIN key. 83 Pressing ZIN once doubles the size (2X) of all echoes on the screen. Pressing it again qua

Material in Sec. 7 is arranged in alphabetical order. Before you turn on the unit and find where you are, it's a good idea to learn about the different keys, the four Page screens and how they all work together. BUT, if you just can't wait to get outside, turn to the one-page Quick Reference on page 100. Keyboard 5 4 2 8 7 9 63 1 MMC drawer SeaChamp 2000 sonar/GPS unit, showing map with sonar screen, keyboard and access door for MMC compartment. The map is a Nautic Path nautical chart. 1. PWR/LI

2 400w . 1 80w . 4 80w . 2 2-Ohm 320w . 2 300w . 1 — — — Bridged @ 4-Ohm . . — — — Mixed Mode Operation . . — — — Input Voltage Sensing . . — — — Precise Frequency Control 4/3/2 2/1 1 4/3/2 2/1 Number of Channels . . . . . MOS-FET Power Supply . . . . . 2-Ohm Stable — — . — — 2-Ohm Mono Stable . . — — — Variable Bass Boost; 0-15dB @ 45Hz — — . . . Selectable Bass Boost; 0/6/12dB @ 50Hz . — — — — Independant Front / Rear Adjustable - 12db/Oct. High/Low Pass Crossovers, 55Hz-600Hz or 530Hz-5.8kHz