| 摘要 |
PURPOSE: To provide a track recording device which records the track, target, mark, etc., of a ship, etc., and displays them on a display. CONSTITUTION: The operator of a track recording device decides the mark graphic or number of a target and whether or not the aural explanations of the mark graphic and number must be recorded at every mark graphic and number and, when aural explanations are to be performed, inputs a signal indicating the necessity of aural explanations from a keyboard 105 and aurally inputs the mark graphic or number or the target location and mark of the mark graphic and number to a microphone 121. The inputted aural explanations are converted into digital signals and recorded at the designated address of a storage device 103 at every mark graphic or number or mark graphic and number. |
