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Fish finder TF-640

Navigation Sonar system TF640 was specially designed for all kinds of bait boats. It was combined with high Position accuracy GPS, digital wireless sonar and electronic compass.

resolution480х272 Pixels; 65,536 color
depth range24 m - 80ft (130ft under 200kHz)
radio transmission range300 m
echosounder frequency455 kHz (Optional 200kHz)
signal divergence angle35 degree (19 degree under 200kHz)
operating temperature-10°C ~ 50°C
display power6~12v lithium battery or 8*AA battery
transmitter powerDC 6~12v / 2.0w (lithium battery or 8*AA battery)
display dimensions4.3"TFT LCD; Sunlight Viewable
device size153 x 110 x 44 mm

Product Description

The GPS system let you guiding the boat to any waypoint you saved. The advanced sonar feature show you actual bottom condition and fish, and the electronic compass indicate the instant boat heading direction on screen which make it possible to operate the boat under bad condition, such as night, heave fog, etc.

Key GPS features:

·GPS data display show:  Distance to target, Distance to Home,Speed of boat,Time to Board,Satellite Number,Heading,Bear, Course Memory,Time of day,Main Battery.

·Compass indicator of the instant boat heading direction on screen (a red "+" on screen indicate the target)

· Indicator of the position and distance to target waypoint and HOME

·Boat arriving alarm

·Signal lost alarming

·Indication of satellite condition by color bar: red(0~satellites); Yellow(3~6); Blue(>6)

·Show the current position as latitude/longitude in decimal degrees

·20 RF channels allow different users operation at same region without interference

·Detailed waypoint information including icon, name, date, etc

·Zoom in/Out route display

Key Sonar features:

·Adopt brand new digital wireless sonar system

·Real time sonar windows display the latest sonar returns

·Color Line separates fish and structure from the bottom, and defines bottom hardness.

·Display target depth reading above each fish symbol as a guide for quick and precise lure presentations.

·Sonar alarm: fish / shallow / low battery(boat battery and display battery)


Windows style of menu system.


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