Regatta Tactic Compass
Contents
1. Wind direction related to route direction can be inserted manually by setting the angle value in degrees or graphically by setting the read arrow in the direction from which wind originates In the last case the red arrow should be oriented by a touch on the display Note that the read arrows are always oriented in the direction from which wind originates whereas the blue arrow in the navigation display represents the true wind direction The first way is always available whereas the second one is available only if the GPS is currently providing the route bearing f the GPS route is available it is possible to select the insert mode as you can see in the figure f the GPS route is not available the magnetic compass mode is selected 21 Regatta Tactic Compass BMG 8 37 em The bearing route and speed measurements from GPS are reliable if there are no obstacles to satellite signals and the boat speed is over A kn The magnetic compass which equips most of the smartphones and touchpads is not reliable and gives only indicative measurements n order to avoid the effect of not stable compass reading the bearing represented in the default mode is the one reported by GPS The route is always drawn along the vertical display axis and the the yellow number over the triangular marker displays the GPB bearing reading It is also possible the alternative display represent2. BG 2 00 em Take is no select the ocation wi n order to get G the context me nu PS bearing reference Bearing ref GPS option from To take a consistent reference chose a thout obstacles for GPS receiver and far from disturbing magnetic fields the instrument straight in front of you arrow and you measured by GPS yel the difference i to GPS The speed is greater than 5 km h r direc s not st t optimal f the di id and move straight with a speed ou can do this operation no matter which is the compass mode selected If magnetic compass mode is selected you get the display in the picture ou will see that the compass direction red on as ow line may differ If able it is due too low or receiving fference is stable When difference is stable or null press the Get bearing reference button The compass bearing and G subsequent bearings PS bearing are both memorized as reference for 12 Regatta Tactic Compass BAG 9 59 pm In order to get GPS based bearings the GPS compass mode must be selected in preferences Select the Get bearing option from the context menu To take the bearing you have to align the instrument in the same direction it was when reference was taken To accomplish this task rotate the instrument until the number over the triangular marker is O
3. Show on map enables the map and moves near the position of the waypoint Show on map Rename Delete Regatta Tactic Compass DG 9 18 em There are 3 ways to insert waypoints the first is manually using the form shown in the picture The manual insertion of waypoint can be accessed selecting the Manual insert option of the context menu activated by the menu button when showing the waypoint list Regatta Tactic Compass BMG 9 10 em Get Bearing 10 The second mode tor creating waypoints is using a couple of compass bearings of the target from differen places In order to get a bearing select the New bearing option in the context menu activated by the menu button when navigate display is shown If no other bearing completed is availa waiting to be ble the display in picture is immediately shown Place the red arrow in the target direction and press Get bearing button Regatta Tactic Compass Given the coarse accuracy of magnetic compass GPS Compass provides a second way to get bearings The second way is completely based on GPS The GPS based bearing is a 2 steps procedure In the first step a reference direction is acquired and memorized in the second step the reference is used The first step can be done once for many subsequent bearings 11 Regatta Tactic Compass Bearing ref GPS it is due to systematic magnetic compass error
4. of start line with current speed 25 Regatta Tactic Compass BIG 11 44 am m 275 5 8 kn 26 In the picture you can see the case when there is no intersection between start line and boat route this is a normal situation during pre start circling In this case the distance to start line along boat route doesn t make sense and the only information available are the distance to the nearest point of start line orange top left and the time to reach this point with current speed orange bottom center Regatta Tactic Compass Tal 1 35 em m 0 In the picture you can see the case when the boat speed is null or under the 0 kn minimum for a correct route estimation by GPS In this case only the start line position and minimum distance are represented Please notice that in any case is possible to determine whether we are before or after start line and the color of the start line green before and red after represents this information 27 Regatta Tactic Compass Ga 11 04 am Start line position should be defined by a couple of waypoints representing the left and right ends n As usual waypoint can be defined with the waypoint option of context menu or using the map The most practical mode is to mark the current position using the waypoint menu option new waypoint when passing near start line ends n Once the waypoints have been inserted they can be assigned fo start l
5. Regatta Tactic Compass User Manual ver 5 0 Regatta Tactic Compass BMG 8 37 em Regatta Tactic Compass is an instrument for sail navigation Tactic Compass uses data from GPS like position speed and bearing Using GPS info Tactic Compass can calculate and provide the optimal route to the target n order to make optimal route calculation it is necessary to have the following preset 1 set the destination waypoint 2 set the true wind direction 3 switch the instrument in route mode using the route option of context menu Waypoint handling and wind direction input are described in the following sections Regatta Tactic Compass i 8 07 em Tactic Compass has 2 visualization ways n the first one all the relevant directions are represented as angles n the second one the route and all relevant distances are represented The picture shows the display in the first mode The route angle and real speed are displayed In order to switch between two modes use the display angles and display route options of context menu Regatta Tactic Compass gt fl 8 05 em It is possible to display a bearing angle In the picture the red arrow reference has been oriented to 332 and the angle between bearing and route is 73 This display requires the Compass mode preference of context menu to be set to magnetic compass option Regatta Tact
6. The number represents the difference in degrees between the current direction of the instrument and the reference direction To facilitate alignment the compass is white when aligned becomes red when rotated Get Bearing counterclockwise and becomes green when rotated clockwise Once the compass is aligned to the reference direction rotate the red arrow in the direction of the target by dragging it on the display When both alignments are ok press the Get bearing button 13 Regatta Tactic Compass BMG 12 21 am If other bearings waiting to be completed Create new Waypoint are available the list to choose the bearing to be associated with the current one is shown waypoint_9 There is also the option to create a new waypoint for the bearing 14 Regatta Tactic Compass BH B 9 07 pm 15 he map enables both visualization and creation of waypoints he picture shows a waypoint created by a couple of bearings The blue white markers show the location from where the bearings was taken he red white marker shows the position of the waypoint It is also possible to create a new waypointby touching a point in the map Regatta Tactic Compass BIG 9 22 em waypoint_8 Navigate to Rename Delete 16 The map can be shifted or zoomed by dragging a touch Please is a fo crea ake into account that a static touch ways interp
7. ed in the figure In this mode the angle on the triangular marker is the one reported by magnetic compass n order to switch between two modes use the preference option of context menu and select the preferred compass mode When compass mode is set to Automatic compass mode the instrument switches automatically between magnetic compass and GPS depending on the availability of GPS bearing The compass is yellow when in GPS mode white when in magnetic mode and grayed when it is in GPS mode but GPS bearing is not available 22 Regatta Tactic Compass SAG 11 35am Start Line 275 Regatta provides you an instrument that helps optimizing approach to start line 5 8 kn The start mode can be selected with the context menu e m 526 7 m In start mode Regatta provides many relevant information about start line distance and location together with a programmable countdown timer In order to have start line information the start line coordinates have to be defined using waypoints as described in the following of the manual 02 55 02 45 reset In the picture you can see the following information 1 The start line is represented by a green arc The arc is limited by a red point in the left and a green point on the right 2 The orange number in the top left of the display is the distance from the nearest point of start line 3 The green number in the top left of the display
8. ic Compass BMG 8 14 em It is possible to define the waypoint position in many different ways we will see in the following sections Waypoints are represented by an orange point In this case the angle between route and waypoint bearing is represented together with the airline distance in nautical miles from boat to waypoint Please notice the cohere The distance from waypo nt usage of colors int is orange like waypoint speed along route is yellow as route This is a general rule that helps to correlate numeric info to related objects Regatta Tactic Compass BMG 8 17 em It is possible to represent many angles in the same display The angles to be displayed can be selected using the option settings from the context menu activated by the menu button when using the navigation display buoy 1 buoy 2 active Regatta Tactic Compass BMG 9 17 em The waypoints are represented in a list that can be accessed by the waypoint option of the context menu The list shows which is the currently enabled waypoint the one we are navigating to The short selection of one waypoint list element is used to change the active waypoint selection Regatta Tactic Compass BMG 9 17 em The long selection of one waypoint list element enables the menu with all the possible action on the selected waypoint Rename and Cancell are self explanatory
9. ine ends using the context menu of map or waypoint list In the case of defining start line by map keep pressed the waypoint marker and select the correct start line end option from the context menu In case of defining the start line using waypoint list do the same by long selection of list item 28
10. is the distance from start line intersection with boat route if any 4 The red number in the top right is the boat speed 5 The green number in the bottom center is the time to start line calculated with current route and speed 6 The blue number in the bottom center is the down counter 23 m 51 83 m Regatta Tactic Compass Sales 11 40 am 275 5 8 kn 24 The button in the right bottom can be used to start the countdown timer or to reset it to the initial value The initial value can be configured in the preferences option of context menu The unit for countdown initial value is minutes and the default is 5 In the case represented in the picture the boat route is intersecting start line and start line is in front of the boat In this case the start line is represented in green color When the start line is crossed and it is behind the boat the start line color is changed to red Regatta Tactic Compass BIG 12 39 pm In the picture you can see the case when 23 59 m the start line is crossed 26 16 m wa 5 8 kn Start line is behind boat and its color is changed to red Please notice that the two numbers in the top left have the same meaning as before start line crossing The color of the timing field in the bottom center is changed to orange indicating it is no more the time to reach start line with current route It now represents the time to reach the nearest point
11. nted in red color The number expressed in nautical miles M is the distance along the path summing distance to layline and distance along layline yellow green The number expressed in knots kn is the effective speed v_eff v_real dist dist_tot dist is the airline distance and dist_tot is the distance along the path 19 Regatta Tactic Compass BG 4 45 pm 20 Effective speed optimization maximizes the effective speed Polar diagram The polar diagram represents the hi normalized val registered for route between 30 and 30 The current ro deviation angles from ute is optimal if the di Effective speed is an indicator of the route t is convenient to keep the route which story of ues for effective speeds current agram has the maximum value at center 0 If the maximum value is shifted in a side it is convenient fo approach this side Regatta Tactic Compass me 3 06 PM The true wind direction is inserted by the wind dir option of context menu The wind direction can be inserted in two distinct ways The first one consists in using magnetic compass setting the lubber line red arrow in the direction from which wind originates ind to route angle The second way consists in setting wind ee direction as related to route direction he second way is the preferred one when wind instrument reading is available
12. reted as request e anew waypoint By touching a waypoint marker the con textual menu shown in picture is displayed You can delete rename or navigate to the selected waypoint Regatta Tactic Compass Ga GB 4 45 om Optimal route calculation The route calculation is based on the true wind direction and on the boat route as measured by GPS bearing Based on the above information the layline green line in the picture position is detected The lay line is defined as the line passing over the waypoint and having with the wind direction the same angle as the angle between the current route and wind on the opposite tack The layline is not the one for the optimal route but the one corresponding to the current angle between route and wind 17 Regatta Tactic Compass BG 4 48 em 18 The display represents at a glance all the information The route yellow Wind direction blue Layline green Distance from boat to layline a route yellow number at top le ft ong the Distance along the layline to th green number at top left e waypoint Airline distance to the waypoin number at top right yellow number at top right t orange Real speed from GPS along the route Regatta Tactic Compass BG 4 45 pm In the bottom part of the display the information that helos route optimization are prese
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