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Physical Specifi cations
Size: 6.1" W x 4.9" H x 2.9" D (15.5 cm x 12.5 cm x 7.4 cm)
Weight: 1.1 lbs. (0.5 kg)
Display: (Fishfi nder 250) 4.5" diagonal (11.4 cm), 3.2” W x 32” H (8.1 cm x 8.1 cm) high-contrast
10-level grayscale FSTN display with adjustable brightness (320 x 320 pixels)
(Fishfi nder 250C) 4.5" diagonal (11.4 cm), 3.2” W x 3.2” H (8.1 cm x 8.1 cm)
high-contrast, 16-color CSTN display with adjustable brightness (320 x 320 pixels)
Case: Fully gasketed, high-impact plastic alloy, waterproof to IEC 60529 IPX7 standards
Temp. Range: 5°F to 130°F (-15°C to 55°C)
Power
Source: 10-35 volts DC
Usage: 17 watts max. at 10 volts DC; 15 watts at 13.8 volts DC nominal
Fuse: AGC/3AG - 2.0 Amp
Sonar
Power: Dual frequency: 500 watts (RMS); 4000 watts (peak to peak)
Single frequency: 400 watts (RMS); 3200 watts (peak to peak)
Frequency: 50/200 kHz
Depth: 1500 foot max depth
(Depth capacity is dependent on water salinity, bottom type and other water
conditions.)
Cleaning and Storage
The Fishfi nder 250/250C is constructed of high quality materials and does not require user maintenance
other than cleaning. Clean the unit using a cloth dampened with a mild detergent solution and then wipe dry.
Avoid chemical cleaners and solvents that may damage plastic components.
Do not store the Fishfi nder 250/250C where prolonged exposure to temperature extremes may occur (such as
in the trunk of a car) as permanent damage may result. Unit settings will be retained in the unit’s memory without
the need for external power.
Specifi cations, Cleaning and
Storage
Appendix A
250C Manual.indd 27 1/27/2004, 3:55:25 PM