Lowrance electronic M56 - Manual (Page 9)

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Capabilities and Specifications: M56
General
Display:............................ High-contrast Film SuperTwist LCD. Diago-
nal viewing area: 3.5" (8.9 cm).
Resolution:...................... 160 pixel x 240 pixel resolution; 38,400 total
pixels.
Backlighting:.................. LED backlit screen with multiple lighting lev-
els; backlit keypad.
Input power:................... 10 to 17 volts DC.
Current drain: ............... 170 ma lights off; 240 ma lights on.
Case size:......................... 5.8" H x 4.3" W x 2.5" D (14.7 cm H x 10.8 cm
W x 6.6 cm D) sealed, waterproof; suitable for
saltwater use.
Back-up memory: .......... Built-in memory stores GPS data for dec-
ades. User settings are stored when unit is
turned off.
Languages:...................... 10; menu languages selectable by user.
Sonar
Frequency:...................... 200 kHz.
Transducer:...................... A Skimmer

transducer comes packed with
your sonar unit. Its 20
° cone angle offers a
wide fish detection area of up to 60º with
high sensitivity settings. Operates at boat
speeds up to 70 mph (61 kts).
Transmitter: ................... 800 watts peak-to-peak; 100 watts RMS.
Sonar sounding
depth capability: ........... 600 feet (180 meters). Actual capability de-
pends on transducer configuration and in-
stallation, bottom composition and water con-
ditions. 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, built into transducer.