7-INCH COLOR DISPLAY FISH FINDER MODEL: Kfish-7 FEATURE: 1) Dual-frequency: 50 and 200 KHz 2) 7-inch TFT LCD display with 8-color or multi-level amber presentation 3) Auto Mode for hands-off operation 4) Variety of display modes: A-scope, bottom-lock expansion, marker zoom and unique bottom zoom displays 5) Compound Temperature sensor option SPECIFICATIONS 1.General (1) Display 7?�inch TFT LCD (2) Echo Color 8 colors (including background color) according to echo intensity. Monochrome display is also available. The background color is selectable from blue, light blue, white and black. (3) Basic Range Meters: 5/10/20/40/80/150/200/300 Feet: 15/30/60/120/200/400/600/1000 Fathoms: 3/5/10/20/40/80/100/150 Passi/Braza: 3/5/10/30/50/100/150/200 The basic ranges can be changed on the system menu. (4) Range Shift Up to 300 meters (1000 feet, 150fathoms, 200 passi/braza) (5) Zoom Range Times 2, 3, 4 and 5 ranges (6) Bottom Lock Expansion Range 5/10meters, 10/20feet, 2/5fathoms, 2/5passi/braza (7) Auto Mode Automatic adjustment of range and gain (8) Display Mode High Frequency (200K),Low Frequency (50K), Dual (200K and 50K 1/2display on each), Zoom (200K and 50K zoom) and A-scope Display (9) Zoom Display Marker Zoom, Bottom Zoom and Bottom-lock Expansion (10) Display Advance Speed Lines/TX: Freeze, 1/8, 1/4, 1/2, 1/1, 2/1 (11) TX Frequency Output power 50 and 200kHz (alternately transmitted), 300W (12) Pulse-length/TX rate Display End Depth(m) 5, 10, 20, 40, 80, 150, 300 Pulse-Length(ms) 0.2, 0.2, 0.2, 0.4, 0.8, 1.5, 3.0 TX Rate(pulse/min) 600, 600, 600, 375, 187, 100, 50 (13) Interference Rejecter Rejects unwanted signals by comparing last and present echoes in strength. (14) Alarm Fish and Bottom alarms, Temperature alarm (sensor required) (15) Input/output data Input Output NMEA0183 RMC, VTG SDDBT, SDDPT 2. Power Supply (1) Display Unit 12-24 VDC -10%, +30%: 1.0 - 0.6 A 3. Environmental Condition (1) Ambient Temperature 0to + 50 (2) Relative Humidity 85% at 40 (3) Water proofing Display Unit: IPX4 (4) Vibration ±1mm ±10%, 2(5) to 13.2Hz, Maximum acceleration 7 m/s, 13.2 to 100Hz 4. Coating Color (1) Display Unit Chassis: 2.5GY5/1.5 Panel: N3.0 New tone No.5