NASA Marine Cruiser Скачать руководство пользователя | Manualshive

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Содержание Cruiser

Страница 1: ...STALLATION AND USER INSTRUCTIONS for Cruiser CONTEMPORARY STYLED INSTRUMENTS FOR CABIN MOUNTING LOG DEPTH WIND COMPASS NASA MARINE LTD BOULTON ROAD STEVENAGE HERTS SG1 4QG 01438 354033 MARINE INSTRUMENTS ...

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Страница 3: ...stic To keep it looking good clean only with a damp cloth Do not use abrasive clean ers or solvents 2 INSTALLING THE DISPLAY Although waterproof cruiser instruments are designed for cabin mounting Select a convenient position for the display on a panel or bulk head The site must be flat and the cavity behind the panel must remain dry at all times The cable entry boss is not sealed to allow free pa...

Страница 4: ...rine or your local chandler Whichever is selected the best location still has to be found Select a position below the water level where the transducer will point substan tially towards the sea bed and where the transducer and cable are kept well clear of interference generating equipment This position should be well clear of large masses of bubbles or cavitation which would disrupt the signal To t...

Страница 5: ...ack wire to the negative supply and the red wire to the positive via a 250 milli amp fuse The red wire of the alarm is also connected to the positive supply whilst the black wire connects to the green wire from the display unit The alarm is not watertight and must be mounted in a protected position Plug the transducer into the socket on the display unit 3 4 SOUNDER OPERATION Various operational pa...

Страница 6: ...eases The point at which the gain starts to rise is called the sensitivity threshold The sensitivity of the unit at depths below the sensitivity threshold will be considerably reduced whilst above the sensitivity threshold the unit rapidly becomes more sensitive with increasing depth The sensitivity threshold is factory enter to 0 0 metres To view the sensitivity threshold press ENTER The value ca...

Страница 7: ... from unforgiving surfaces such as trailers and lifting slings Drill a hole of 42mm diameter to take the skin fitting and use conventional methods for sealing It is advisable to avoid the use of mastic materials use a form of propri etary silicon sealant The securing nut has a groove on its underside which should also be filled with sealing compound Finger tighten this nut only After the sealing c...

Страница 8: ...y will display the total distance The unit will dis play the total distance travelled to 999 nautical miles This counter cannot be reset A long press of the SPEED key will return to the Speed display CALIBRATION The calibration is preset in the factory The type of hull and the position of the paddlewheel may affect the performance of the unit If the log under or over reads then the calibration fac...

Страница 9: ...r itself is gimballed within the housing To accommodate pitch and roll motions most effectively mount the sensor as near to horizontal as possible For best performance in rough weather conditions it is also advisable to mount the sensor in a position usually amidships that minimises lateral accelerations due to pitch and roll Avoid mounting the sensor high above the water line because doing so als...

Страница 10: ...stead of the normal lightly damped display Press ENTER and up together to switch between heavily and lightly damped modes The display shows L for Light damping A for Average damping or H for Heavy damping for two seconds after the keys are released to indicate which mode has been selected Successive presses of the two keys switches between the three damping settings ASSISTED STEERING Assisted stee...

Страница 11: ... is needed 30 of error are shown on Figure 4b Figure 4a 4b Three and ten chevron Steering indications If the error increases beyond 180 the error display reverses to show that the shortest route back to the desired heading is now using the opposite tiller SETTING THE DESIRED HEADING Bring the Vessel to the desired heading and press up and down together to log that heading The display changes as sh...

Страница 12: ...are shown by the steering chevrons as shown on Figure 5 for two seconds when the key is released whereupon the display returns to the normal steering display SETTING OR STOPPING THE ALARM During assisted steering press up to switch the alarm on and down to switch it off The bell symbol shows when the alarm is on Whenever the alarm is on and the heading during assisted steering is outside the bound...

Страница 13: ...ariation value can be found by reference to Almanacs maps or charts The variation is the offset of magnetic North from true North If the Magnetic North the variation is West of true North enter it as a positive number Conversely if it is quoted as East of true North enter a negative variation value If not already in Engineering En displayed hold down the ENTER button while turning on the power to ...

Страница 14: ...magnetic objects in the vessel distorts the earth s magnetic field nearby and can affect the accuracy of readings by different amounts at various points of the compass Detecting and correcting these errors is known as Compass Swinging Compass swinging in the Cruiser Compass is achieved by sailing the vessel in a circle at a constant turn rate in still water so it is best to select calm conditions ...

Страница 15: ...ey during the swing to return to Engineering As the constant rate turn proceeds the progress indication counts down It is vital to maintain the previously chosen constant turn rate during this phase When the progress indication falls to zero after turning just over 360 the swing is complete and the compass deviation values are automatically calculated and stored The display returns to normal Compa...

Страница 16: ...play wind speed measurements in miles per hour MPH nautical miles per hour knots shown as KTS and metres per sec ond m s Press ENTER and up together to switch between knots miles per hour and meters per second The choice is always saved so the unit operates as set whenever it is powered up again WINDVANE DEAD AHEAD ALIGNMENT It is always necessary to enter the dead ahead position of the vane when ...

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Страница 19: ...rge to the customer for parts and labour The customer is however responsible for transport costs This warranty excludes failures resulting from abuse misuse accident or unauthorised modifications or repairs In no event shall Nasa Marine Ltd be liable for incidental special indirect or conse quential damages whether resulting from the use misuse the inability to cor rectly use the instrument or fro...

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