David White LT8-300 Скачать руководство пользователя | Manualshive

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42346D8870 09/15

Printed in China

© Dave White’s SitePro 7619 S 1150 E Otterbein, IN 47970

Tel. +1 (765) 581 4097

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Содержание LT8-300

Страница 1: ...LT8 300P LT8 300LP LT8 300 Series Owner s Guide www davidwhite us com FOR CUSTOMER SERVICE PARTS AND REPAIR CALL 765 581 4097 IMPORTANT IMPORTANT IMPORTANTE Read Before Using Lire avant usage Leer antes de usar ...

Страница 2: ...xtremely rugged field use Like all precision instruments however they should be treated with reasonable care to prolong life and accuracy All instruments are adjusted when they are shipped from the factory It is the customer s responsibility to check and to ensure instruments are adjusted prior to using David White is not responsible for errors caused by instruments that are out of adjustment Cont...

Страница 3: ... 3 1 11 17 18 3 11 6 16 14 15 2 5 5 12 12 4 13 9 10 2 7 3 19 8 ...

Страница 4: ...just to the ambient temperature before putting it into operation In case of extreme temperatures or variations in temperature the accuracy of the instrument can be impaired Avoid any impact to or dropping of the instrument After severe exterior effects to the instrument it is recommended to carry out an accuracy check each time before continuing to work Place the instrument in the provided case wh...

Страница 5: ...T8 300P LT8 300LP Technical Data LT8 300 Series RANGE Up to 400 ft ACCURACY within 3 16 in at 150 ft 5 mm at 45 m TELESCOPE Length 8 1 2 in 216 mm Minimum focus 6 ft 1 8 m Aperture 1 257 in 32 mm Power 26X Field of view 1 9 100 ft 54 cm 30 m No of lenses 8 Stadia Ratio 1 100 HORIZONTAL CIRCLE Graduation diameter 4 5 8 in 117 mm Graduations Each 1 Numbers Each 10 0 90 0 Vernier Double direct to 5 m...

Страница 6: ...ircle lock 7 assures accuracy by preventing the horizontal circle form being moved accidentally Turn clockwise to tighten The horizontal vernier 8 permits dividing whole degrees into fractions of 1 12 5 minutes Approximate horizontal sightings are held firmly in place by means of a clamp 9 Then precise horizontal settings can be made with the tangent 10 The clamp must be hand tightened firmly befo...

Страница 7: ...lithium battery is recommended for the instrument To open the battery compartment 19 unscrew the cap Insert the battery Insert battery using correct polarity as illustrated When the battery becomes weak the brightness of laser plummet beam will weaken Remove the battery from the tool when not using it for extended periods When storing for extended periods the batteries can corrode and discharge th...

Страница 8: ...t 200 ft 60m in length Place two matching level rods or drive two pieces of strapping into the ground about 200 ft 60m apart with the faces toward each other Position and level the instrument so that the distance from the instrument to each rod is the same measure A B 200 60m A A1 B1 B 200 60m 20 6m Take a reading on each rod with the instrument where the crosshair is sighted Note the difference a...

Страница 9: ...re clamps are loosened and both telescope lock levers are in the closed position Attach the instrument to the tripod securely hand tightening the instrument base to the 5 8 11 tripod head Setting Up Over a Point WARNING Never use force on any parts of the instrument All moving parts will turn freely and easily by hand Hang the plumb bob LT8 300 attach cord to the plumb bob hook of the tripod The L...

Страница 10: ...r stud and sliding the instrument from side to side for proper positioning Leveling the Instrument Set the instrument leveling screws Turn down the leveling screws until firm contact is made with the instrument base CAUTION Do not overtighten the leveling screws It is very possible to overtighten the leveling screws Only a firm contact between the screws and the base is necessary If the instrument...

Страница 11: ...al instruments are equipped with a vernier 8 and 15 which divides each degree on the circle or arc into 12 equal parts of 5 minutes each There are 60 minutes 60 in a degree The vernier scale 8 and 15 is read in the same direction right or left as you re reading the degree scale The following examples will explain how to read the degree and vernier scales on the circle and arc Exact Degree Reading ...

Страница 12: ...s 30 Sighting and Focusing the Telescope The telescope 1 provides a sharp image magnified 26 times This means the object sighted appears 26 times closer than it would with the naked eye Avoid touching the tripod while sighting Aim the telescope at the object and sight first through the notches 2 on the top of the level vial for preliminary sighting Look through the telescope eyepiece 3 and focus t...

Страница 13: ...dia Hairs A B L Removing the instrument from the tripod Unscrew the instrument base 18 from the tripod head and remove the instrument from the tripod When storing in the carrying case disengage both lock levers 11 and loosen the vertical clamp 12 Place instrument in case with lock levers 11 facing down and focus knob 4 facing up ...

Страница 14: ...thorized after sales service center for Dave White s SitePro instruments In all correspondence and spare parts orders please always include the model number and serial number of the instruments All precision instruments should be cleaned lubricated checked and adjusted ONLY at a qualified instrument repair station or by the manufacturer at least once a year In case of repairs send in the instrumen...

Страница 15: ...90 DAY LIMITED WARRANTY To make a claim under this Limited Warranty you must return the complete product transportation prepaid For details to make a claim under this Limited Warranty please visit www davidwhite com or call 1 855 354 9881 ANY IMPLIED WARRANTIES SHALL BE LIMITED IN DURATION TO ONE YEAR FROM DATE OF PURCHASE SOME STATES IN THE U S AND SOME CANADIAN PROVINCES DO NOT ALLOW LIMITATIONS...

Страница 16: ...42346D8870 09 15 Printed in China Dave White s SitePro 7619 S 1150 E Otterbein IN 47970 Tel 1 765 581 4097 ...

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