valutazioni - 2, GPA: 3.5
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Facilità d'uso
To enter 0.02 nautical miles, for example, press [0], [2], [0] and [0]. 5. Press the [ENT] key. Border alarm The border alarm defines an area, consisting of two waypoints, which you do not want to cross. The alarm will sound when your ship crosses the area defined by the two waypoints. Width of border line (Alarm width) Border Starting point Figure 6-5 How the XTE alarm works Starting point o ^ *1 Alarm sounds. ° Destination Alarm sounds. Figure 6-6 How the border alarm works 6-3 If you want to set a border alarm between waypoints 77 and 78 (must be preregistered) with an alarm range of 0.3 nautical miles, do the following: 1. Press the [FR/TO] key to display the DESTINATION SETTING menu. 2. Select WPT NO. MODE = CURSOR WAYPOINT ROUTE ► WPT NO. = 0 0 + 0 - 0 -+ — + — + — Figure 6-7 DESTINATION SETTING menu, lower half 3. Press [—] twice. ► WPT NO. = § 0 + - - + - - + — + — + — Figure 6-8 DESTINATION SETTING menu 4. Enter waypoints 77 and 78 and press the [ENT] key. 5. Press the [ALARM] key to display the alarm menu. 6. Select BORDER from the XTE/BORDER field. 7. Press [^] to select ALARM RANGE. 8. Enter alarm range. If the alarm range is 0.3 nautical miles for example, press [0], [3], [0] and [0]. 9. Press the [ENT] key. 6.3 Ship’s Speed Alarm The ship’s speed alarm sounds when your ship’s speed is within or out of the alarm range (depending on which alarm is active) set. Alarm sounds for speeds in hatched area. Figure 6-9 How the ship’s speed alarm works 6-4 1. Press the [ALARM] key to display the ALARM menu 2. Select SPEED. 3. Select IN or OUT. 4. Select UPPER LIMIT. 5. Enter desired upper limit. 6. Select LOWER LIMIT. 7. Enter desired lower limit. 8. Press the [ENT] key. 6.4 When the Alarm Buzzer Sounds... Silencing the alarm buzzer When an alarm setting is exceeded, the alarm buzzer sounds and the speaker icon appears at the bottom right-hand corner of the display. You can silence the buzzer by pressing the [CLR] key. The speaker icon remains on the display until the cause of the alarm is removed or the alarm itself is turned off. What alarm is sounding? When more than one alarm is active and the alarm sounds, you can see which alarm is sounding by pressing the [ALARM] key. Figure 6-10 ALARM menu, showing location of alarm indication 6-5 VIDEO PILOT DISPLAY, NAVIGATION DATA DISPLAY 7.1 Video Pilot Display Features The video pilot display shows navigation information about your destination, using a course-up presentation. To display the video pilot display, press the [VIDEO PILOT] key. Figure 7-1 shows a typical video pilot display. ▲34° 44.465' N 355.6° 95.59NM 135° 21.289' E 1.1KTS »M1SM 0.10 0.05 0.05 y\ i4 0.05 __________________i {__________________ 0.05 i 1 O 09:56 VTD TTG ETA 170 0.01NM 0.4 KTS * *M * * : * * v y =\£D North marker (Arrow points to true North) b fe Mark data Destination data Figure 7-1 Sample video pilot display Table 7-1 compares the features of the video pilot and plot displays. 7-1 Table 7-1 Comparison of video pilot and plot displays Item Plot Display Video Pilot Display Display Mode North-up Course-up Own Ship Mark Round Triangle (depicts ship's bow) Grid L/L Range North Mark None Yes Destination Data None VTD, ETA and TTG Mark Data None Time entered and range and bearing data for last two marks Destination data Velocity-To-Destination (VTD) Velocity to destination is the amount of speed in the direction of the desired destination. t Figure 7-2 Velocity-to-destination Time-To-Go (TTG) Time-to-go is the amount of time in hours and/or minutes to arrive at your destination, using present course and speed. If there is no calculation, asterisks are shown. Estimated Time of Arrival (ETA) Estimated time of arrival is the time you will arrive at your destination, using present course and speed. Mark data The time entered and range and bearing of the last two entered marks are shown. This information remains on the video pilot display (even if those marks are deleted) until new marks are entered. You can turn off the mark data window by pressing [MENU], [9], [6], setting EVENT MARK WINDOW to OFF and pressing the [ENT] key. 7-2 Comparison of plot and video pilot displays Grid shows latitude and longitude. PLOT DISPLAY Grid shows distance. Note: When NAVIONICS chart is used, the chart data disappears at this mode, except bearing of the destination is 0 degrees. VIDEO PILOT DISPLAY VIDEO s / PILOT Figure 7-3 Sample plot and video pilot displays 7-3 7.2 Navigation Data Display The navigation data display provides various navigation information, input by a navigation aid and sensors. You can display it by pressing the [NAV DATA] key. © ®- ©- ®- NAV DATA 2D 10 - APR - 1998 03 : 02 : 22 WGS-84 DOP = 1.3 34° 44. 454 N 135° 21. 288 E A L/L SPEED/CRS TEMP/DEPTH TTG ETA 0.000’N 0.000’E 10.5KTS / 196.4° (MAG) / **h * * m/ * * .** SATELLITE PREDICTION 24 HOURS OK FREQ DE...
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