Depth finder with tutorial

Details Depth finder with tutorial Depth finder with tutorial

1989-07-17

1990-07-24

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367107, 367910, 434 6, G01S 1596

Patent

active

049439510

ABSTRACT:
A liquid crystal display depth finder using a sonar transducer is provided with a plurality of input keys interfaced to a microprocessor with each input key being dedicated to a particular function or feature usable with the depth finder. The microprocessor is utilized to control the operation of the transducer and the display of the data generated thereby in accordance with the particular function or set of functions chosen by the operator and to manipulate programming stored within the depth finder which will enable a tutorial mode comprising alphanumeric information and command key indication such that an the user may determine how the machine is to properly function.

REFERENCES:
patent: 4597069 (1986-06-01), Milano et al.
Eagle 3D-100, Liquid Crystal Graph; Dec. 1987, pp. 1-42; Owners Manual.
Eagle 7-7500; Cabela's, 1987, Christmas Catalog, 1 page.
Bass Pro Shops, 1988 Catalog; pp. 438-450.
The Bottom Line User Manual; 1986; pp. 1-18.

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