NASA Marine CLIPPER SPEED AND DISTANCE LOG Manual Download Page 1 | Manualshive

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SPEED

TOTAL

TRIP

ILLUM

CLIPPER

LOG

CLIPPER

SPEED

AND

DISTANCE

LOG

23.5

SPEED

L

KNOTS

1
2
3
...
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Summary of Contents for CLIPPER SPEED AND DISTANCE LOG

Page 1: ...SPEED TOTAL TRIP ILLUM CLIPPER LOG CLIPPER SPEED AND DISTANCE LOG 23 5 SPEED L KNOTS ...

Page 2: ......

Page 3: ...STATUTE MILES DISPLAYING AVERAGE READINGS CALIBRATION EXAMPLE RETURNING TO NORMAL OPERATING MODE REMOTE REPEATER FACILITY CHANGING THE OPERATING MODE BACKLIGHT SETTING DISPLAYING SPEED DISPLAYING TRIP DISTANCE DISPLAYING THE TRIP DISTANCE CHANGING THE UNITS OPERATING CONFIGURATION CHANGING THE CALIBRATION 2 2 3 5 5 6 7 7 8 9 10 11 11 12 13 14 14 1 ...

Page 4: ...d the panel must remain dry at all times The cable entry is deliberately not sealed to ensure adequate ventilation This prevents misting of the display Cut a hole in the panel 87mm wide and 67mm deep Bring the wiring through the hole in the panel and connect the black wire to negative and red to positive See Figure 1 It is wise to use a fused supply to provide protection should a fault occur The c...

Page 5: ...es vertically downwards from the unit even if they later have to rise to connect to the vessel s supplies Doing so prevents any water that might get onto the cables from running back along the cables and into the unit INSTALLING THE PADDLE WHEEL The paddle wheel should be installed at a point in the hull where It is immersed at all attitudes under power or sail The blades of the paddle wheel are p...

Page 6: ...mbly in G R P as shown on Figure 2 Take care to ensure that a minimum of 20mm of thread is clear at the top of the paddle housing The paddle wheel unit can now be slid into the housing so that it is exposed to the water flow with the arrow pointing forward along the centre line of the vessel It is recommended that a little silicon grease is smeared over the rubber O ring to keep the unit free Tigh...

Page 7: ...d in Knots The factory pre set trip and total distances are both zero THOUSANDS DIGITS DISPLAY SPEED DISPLAY IS KNOTS 12 3 Knots measured TRIP IS NOT SELECTED TOTAL IS NOT SELECTED SWITCH TO DISPLAY TOTAL DISTANCE RATE INDICATOR N MILES SHOWS in TRIP or TOTAL BACKLIGHT BRIGHTNESS CHANGE BACKLIGHT BRIGHTNESS SWITCH TO DISPLAY SPEED SWITCH TO DISPLAY TRIP DISTANCE Figure 3 Initial Display It is easy...

Page 8: ... decrease the illumination Pressing ILLUM whilst H is shown will gradually increase the illumination A brief press of ILLUM will roster between L and H In common with all the other settings in the unit the backlight setting is stored even when the unit is switched off so that it returns to the chosen setting again whenever the unit is switched on Figure 4 Backlight Setting ...

Page 9: ...ucing left arrow lit the same central bar lit or is increasing right arrow lit These acceleration bars are shown in the distance display modes as well as the speed display mode If it is desired to display Trip distance press the button marked TRIP The word TRIP is displayed as shown on Figure 6 The trip distance is always measured in 0 1 miles or nautical miles depending on the setting of the unit...

Page 10: ...he count reaches zero If you change your mind about resetting the distance remove your finger from the trip button before the count falls to zero whereupon the display returns be when nautical miles is selected Whenever the trip distance exceeds 99 9 the number to the right of the decimal is still stored in the unit but the display changes to show whole miles and the decimal point is removed When ...

Page 11: ...re is no loss of total distance if frequent trip resets are done Figure 7 Total Distance Display SPEED 105 N MILES ILLUM L DISPLAYING TOTAL DISTANCE Total distance is stored only in whole miles or nautical miles depending on the setting of the unit see below If it is desired to display Total distance press the button marked TOTAL The accumulated distance is displayed and the word TOTAL shown see F...

Page 12: ...ed the word SET is displayed see Figure 8 Pressing ILLUM again returns the unit to its normal operating mode as stored before it was switched off but with any new settings also active and stored permanently Any of the following changes can be made from the SET configuration mode which is ended by the press on the ILLUM button to return to normal operation If the total distance logged is greater th...

Page 13: ...es which are shown in the correct units when the normal display mode is chosen DISPLAYING AVERAGED READINGS It is sometimes preferable to display averaged speed readings instead of instantaneous measurements When averaged speed is displayed the speed shown is the short term average of several readings whereas in fast display mode the reading changes whenever there is a change in measurement Using ...

Page 14: ...tion of the unit is set up in the factory and the value is stored in the unit s memory However the type of hull and the position of the paddle may affect the performance and cause the speed and distance to over read or under read Press the TRIP button to see the calibration factor which is pre set to 100 in the factory to give correct readings in free flow conditions The same factor is used for sp...

Page 15: ... calibration factor for future use 13 CALIBRATION EXAMPLE Calibration is never easy because of the effects of currents and tides Because the unit measures the distance travelled through the water there can be significant errors in measured speed and distances over the ground if currents are flowing Calibration can be done by measuring a test speed with the unit and comparing its reading with a kno...

Page 16: ...t to the factory preset value of 100 To reduce it by 5 press the SPEED Button 5 times to reduce the unit s calibration factor to 95 which is 5 less than the original calibration factor of 100 Likewise if the calibration factor has previously been adjusted to be 104 pressing the SPEED button five times will reduce the factor to 99 to make a 5 reduction in the calibration factor Press TRIP to store ...

Page 17: ...MEA The log repeater repeats all information from the Clipper log master unit To set the display back light press the ILLUM key Pressing ILLUM whilst L is shown on the display will gradually decrease the illumination Pressing ILLUM whilst H is shown will gradually increase the illumination A brief press of ILLUM will roster between L and H To view the master unit trip info press TRIP To view the m...

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Page 20: ... prudently and check its operation from time to time against other data Inspect the installation from time to time and seek advice if any part thereof is not fully seaworthy Nasa Marine Ltd warrants this instrument to be substantially free of defects in both materials and workmanship for a period of one year from the date of purchase Nasa Marine Ltd will at its discretion repair or replace any com...

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