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Languages:...................... 10; menu languages selectable by user.
Sonar
Frequency:......................50/200 kHz for SeaFinder 320DF; 200 kHz
for FishMark 320.
Transducers: .................. A dual-frequency Skimmer
transducer with
built-in temperature sensor is packed with
the SeaFinder 320DF. It has 35°/12° cone
angles. A single-frequency Skimmer trans-
ducer with built-in temperature sensor is
packed with the FishMark 320. It has a 20°
cone angle. Transducers operate at speeds up
to 70 mph (61 kts)
Watts: ............................... 1,500 watts peak-to-peak/188 watt RMS.
Sonar sounding
depth capability: ........... SeaFinder 320DF: 1,500 feet (450 meters).
FishMark 320: 800 feet (244 meters).
Actual capability depends on transducer con-
figuration and installation, bottom composi-
tion and water conditions. All sonar units
typically read deeper in fresh water than in
salt water.
Depth display:................Continuous display .
Audible alarms: ............. Deep/shallow/fish/zone.
Automatic ranging:....... Yes, with instant screen updates.
Auto bottom track:........ Yes.
Zoom bottom track: ...... Yes.
Split-screen zoom:......... Yes.
Surface water temp: ..... Yes.
Speed/distance log:....... Optional (requires optional speed sensor).