82 Version 2.0Operator’s Manual TideTideThere are two TIDE screens. The TIDE1 screen displays graphic anddigital information about the tide conditions at your present position.This is based on tide table constants that you must enter in the TIDE2screen, then access through the TIDE1 screen. You can store up to 100tide tables in TIDE2.The following CFG1 menus directly impact the TIDE functions:¾ Depth - sets the measurement units in meters, feet, or fathoms.Note: The Tide function is not active in the MX420/AIS Basicmodel without the MX421 antenna.TIDE1 - Current Tide DisplayThis screen provides the current tide conditions for the tide constantsindicated in the upper left hand corner. The number in the upper leftcorner of the window is the identification number of this table in theBritish Admiralty Tide Table and in the TIDE2 screen. The name to theright of this number is the port name you entered in the TIDE2 screen.A graphical representation of the tide is given in the middle of thescreen. The tide peak references are given to the right of the High/Lowtime on the right of the screen. High/Low tide times are given to theright of the graph. The marker time (indicated by the clock icon or +sign in the graphic area) and tide condition are given below the High/Low tide information.The tide marker automatically updates to the current time. When thetide marker is in the automatic mode, the cross-hair indicator is en-closed with a circle (like a clock). You can move the marker forward orbackward in time using the softkeys at the bottom of the screen. Re-turn the marker to the present time by simply pressing the Marker toNow softkey. When you move the tide marker off of the present time,