Garmin Fishfinder 320C Owner's Manual And Reference Manual

Also see for Fishfinder 320C: Template manual Specifications Specifications

vSelecting a TransducerIntroductionTransducersThe transducer acts as the eyes and ears of your new sonar. Proper transducer selection and installationare important to the operation of your unit. The transducer transmits sound waves toward the bottom in acone shape. The larger the cone angle the larger the coverage area at a given depth. While it is good to see aslarge of an area as possible, it is best to select a transducer that suits the water that you are on.A wide cone angle transducer works best in shallower water. The wide cone angle provides a large cov-erage or viewing area, but at a decreased bottom resolution. In deeper water this can result in a large deadzone where fish cannot be seen.A narrow cone angle transducer is better suited to deep water installations. The narrow cone angle pro-vides a smaller coverage or viewing area (compared to a wide cone angle transducer at the same depth) withimproved bottom resolution and a smaller dead zone.A variety of optional transducers are available from your local dealer or direct from Garmin.• 200/50kHz, 12/45°, plastic, transom mount, depth, temp• 200/50kHz, 12/45°, plastic, transom mount, depth, temp, speed• 200/50kHz, 12/45°, bronze, thru-hull mount, depth• 200/50kHz, 12/45°, bronze, thru-hull mount, depth, temp, speed• 200/50kHz, 12/45°, bronze, thru-hull mount/long stem, depth, temp, speed• 200/50kHz, 12/45°, plastic, thru-hull mount, depth• 200/50kHz, 12/45°, plastic, adjustable. in-hull mount• 200kHz, 14°, plastic, transom mount, depth• 200kHz, 14°, plastic, transom mount, depth, temp• 200kHz, 14°, plastic, transom mount, depth, temp, speed• 200kHz, 8°, plastic, transom mount, depth, temp• 200kHz, 8°, plastic, transom mount, depth, temp, speed• 200kHz, 12°, bronze, thru-hull mount, depth• 200kHz, 12°, bronze, thru-hull mount, depth, temp• 200kHz, 9°, bronze, thru-hull mount, depth, temp, speed• 200kHz, 12°, plastic, thru-hull mount, depth• 200kHz, 12°, plastic, thru-hull mount, depth, temp• 200kHz, 14°, plastic, in-hull mount, depth• 200kHz, 14°, plastic, trolling motor mount, depth, tempXXdead zonefish not seenWide cone angleNarrow cone angle