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Installation and Operation Manual

RACE BOX

English

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Summary of Contents for RACE BOX

Page 1: ...Installation and Operation Manual RACE BOX English...

Page 2: ...RaceBox English 1...

Page 3: ...English RaceBox 2 Edition Mar 2012 This manual is written for Nexus RaceBox 1 00...

Page 4: ...ich data is sent to which fields 18 4 10 Using the Race Box timer 20 4 10 1 Starting the timer 20 4 10 2 Syncing the timer 20 5 Interpreting the data What does it all mean 22 5 1 How does the Race Box...

Page 5: ...29 6 1 7 FTL Feet to start line 29 6 1 8 BL Boat Lengths to start line 29 6 1 9 OPT_A The optimum apparent wind angle 30 6 1 10 OPT_T The optimum true wind angle 30 7 Specifications 39 7 1 Technical s...

Page 6: ...is manual Registering this product Once you have checked that you have all the listed parts please take time to fill in the warranty document and return it to your national distributor By returning th...

Page 7: ...n connected to the Race Box The Race Box will provide the SET STEER and MOB functions you re used to so you won t need an additional button In fact with the Race Box all these functions and more are c...

Page 8: ...oices are CAD and CFD With the NXR we have ten additional choices So the primary method of giving the crew data while sailing is simply displaying the data on the instruments There are logs kept which...

Page 9: ...following material is needed Wire cutters and strippers Small and large Philips and a small flat head screw driver Hole saw to cut a hole for the instrument back of 63 mm 2 2 8mm drill for the RaceBo...

Page 10: ...and many other stores 3 3 Pushbutton Connecting a push button to the Race Box is optional but if you do not connect one you will not be able to use the timer and start line tactical functions of the R...

Page 11: ...you want the Race Box to generate either Target Boat Speed TBS Polar Boat Speed PBS or both you ll need to put your polar file on to the SD card The difference between PBS and TBS will be discussed la...

Page 12: ...starts up More important removing the SD card while the Race Box is running can corrupt the card s file system erasing your data and possibly even rendering the card completely unusable 3 8 Startup We...

Page 13: ...s including the orange power light to be completely off before removing the SD card or restarting the Race Box The Race Box will not restart until it has completely powered down 4 Race Box Features an...

Page 14: ...ted values You can very easily import this data into another program for analysis Many programs including small database programs and spreadsheets such as Excel or Open Office are readily able to impo...

Page 15: ...his boat speed is known as the Target Boat Speed TBS If you re actual boat speed is faster than your target you may want to head up to slow down but shorten your distance If its slower you may want to...

Page 16: ...d TWS and your current true wind angle TWA and then applying this information to your polar table Of course this information varies as the wind speed and your sailing angle does The data in polar file...

Page 17: ...data These are available on the NX2 instruments and the Multi XL instruments and some of the NXR instruments The NXR instruments have ten custom data fields which can display other information For ex...

Page 18: ...e crew before and during the starting sequence by providing data about the starting line and your position relative to it Using the Race box you can find out Starting line bias relative to the true wi...

Page 19: ...nce is complete For example we might display Time To Burn TTB in the CFD field for the period of time between when we started the timer and when the gun sounds At the gun the CFD field will change and...

Page 20: ...onfig file CAD_IS BL CFD_IS TTB CAD_OS OPT_T CFD_OS BIAS The first line CAD_IS BL means that the BL boat length data calculated by the Race Box will be sent to the CAD field of the Nexus network while...

Page 21: ...imer The timer is started by pressing and holding the button for at least one full second and then releasing it The timer starts at the instant you release the button The Nexus Server can not notify t...

Page 22: ...5 minute starting sequence and you wish to use the Nexus timer you would configure like this LONG_PRESS 5 USE_NEXUS_TIMER 5 In this case both the Race Box and network timers are started the instant yo...

Page 23: ...s doing so that the crew can make the best possible use of the information presented This section will explain how the Race Box derives the numbers it presents At the most basic level the Race Box is...

Page 24: ...ke into consideration several items First when you turn to head toward the line the target will change when your centerline actually intercepts the line Second you should consider the time it will tak...

Page 25: ...in end reaching toward it As you approach it the Race Box will be selecting the pin as its target and telling you DTL TTL and TTB based upon how far that pin is away from your bow The pin is targeted...

Page 26: ...ta it presents to you As with any instrument its up to the crew to interpret the data to put it to best use 5 4 5 Connecting a GPS Receiver The Race Box can accept GPS data from the Nexus server or di...

Page 27: ...osition Data Source The Race Box can take its position either from the Nexus Server or directly from a GPS receiver see Connecting a GPS Receiver earlier in this manual In order to get position data f...

Page 28: ...We recommend that the error light always be left on since it rarely lights and only does so when there is a good reason 5 7 Data Damping The Race Box can dampen the data it uses to calculate the data...

Page 29: ...uch as 3 2 degrees As such this field is best reported on NX2 instruments as CFD and on NXR instruments as one of the ten custom data lines If the number is positive then the right end of the line is...

Page 30: ...starting line on its current heading at its current speed If the boat will be early a positive number is displayed For example 15 means fifteen seconds early A negative 5 means you will reach the lin...

Page 31: ...hat the boat should be sailing to achieve the correct downwind target boat speed given the current true wind speed 6 1 10 OPT_T The optimum true wind angle When sailing above 90 degrees this field wil...

Page 32: ...nt to save entries to the CSV log file Enter a whole number of seconds equal to or greater than 5 This parameter defaults to 5 CSV_LOG_INTERVAL 5 These parameters specify whether position data Lat Lon...

Page 33: ...same scale as Nexus uses which is from 0 to 9 Alternatively you can simply set the number of seconds If you set the number of seconds then the RP4N will average all the past TBS values for the past n...

Page 34: ...ll be started when the RP4N timer reaches 5 minutes If you set this parameter to a number greater than the long press parameter is set to the nexus timer will never be started USE_NEXUS_TIMER 5 If you...

Page 35: ...the height of the wind transducer above the surface of the water in feet You may specify a decimal of a foot such as 40 25 This number is used to correct true wind velocity numbers If you have modifie...

Page 36: ...ill only display properly when TTL 3 59 You can also set a value to OPT which will tell you the optimum wind angle for the current true wind speed If the true wind angle is less than 90 the optimum up...

Page 37: ...TWA for the current TWS Works in or out of starting sequence line ping not needed OPT_A Optimum apparent wind sailing angle AWA for the current TWS Works in or out of starting sequence line ping not...

Page 38: ...MOB log if the MOB function is triggered No Config File Found If the Race Box can not find its rp4n cfg file on the SD card it will signal a fatal error The red error light will flash on for 3 4 seco...

Page 39: ...lines but no more than 20 So including the column with wind speeds the polar table should have a total of minimum 11 columns but not more than 41 The format of a polar table is TWS TBS1 TWA1 TBSn TWA...

Page 40: ...ording to EN 50 08 1 FCC approval This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this de...

Page 41: ...English RaceBox 40...

Page 42: ...RaceBox English 41...

Page 43: ...English RaceBox 42...

Page 44: ...RaceBox English 43 23304 1 Edition 1 Copyright Nexus Marine AB Karlsbodav gen 20B 168 67 Bromma Sweden Tel 46 0 8 506 939 00 Fax 46 0 8 506 939 01 www nexusmarine se...

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