David White L6-20 Скачать руководство пользователя | Manualshive

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L6-20
LT6-900

Meridian Series Owner’

s Guide

www.davidwhite.com

FOR CUSTOMER SERVICE, PARTS

AND REPAIR CALL

(765) 581-4097

IMPORTANT:

IMPORTANT :

IMPORTANTE:

Read Before Using

Lire avant usage

Leer antes de usar

1
2
3
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Содержание L6-20

Страница 1: ...6 20 LT6 900 Meridian Series Owner s Guide www davidwhite 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 3 12 13 4 2 9 8 7 14 11 10 5 15 1 2 3 4 17 17 15 14 8 7 5 16 16 ...

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

Страница 5: ...20 LT6 900 Accuracy 1 4 in at 100 ft 6mm at 30m 1 4 in at 100 ft 6mm at 30m Range Up to 200 ft 60m Up to 200 ft 60m TELESCOPE Magnification 22 power 22 power Length 10 5 26 5 cm 10 5 26 5 cm Minimum Focus 4 ft 1 2 m 4 ft 1 2 m Aperture 0 75 19mm 0 75 19 mm Field of View 2 100 0 6 m 30 m 2 100 0 6 m 30 m No of Lenses 6 6 HORIZONTAL CIRCLE Graduation Diameter 3 62 92 mm 3 62 92 mm Graduations Each 1...

Страница 6: ...mbered every 10 degrees The horizontal vernier 6 permits dividing whole degrees into fractions of 1 4 15 minutes Approximate horizontal sightings are held firmly in place by means of a clamp 7 Then precise horizontal settings can be made with the tangent 8 The clamp must be hand tightened in order for the tangent to function Vertical Arc LT6 900 Only The LT6 900 is a combination instrument Its tel...

Страница 7: ...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 attach cord to the plumb bob hook of the tripod Move the tripod and instrument over the approximate point Be sure the tripod is set up firmly again Loosen leveling screws and shift the instrument laterally until the instrument is positio...

Страница 8: ...with two of the three leveling screws note to which side the bubble is off 5 0 4 0 3 0 2 0 1 0 20 3 0 4 0 5 0 If to the left loosen screw A very slightly to remove ONE HALF the error Remove the other half of the error with the two level screws in line with the telescope If the bubble is still not exactly centered repeat the procedure If bubble is off to the right tighten the bubble level adjustmen...

Страница 9: ...egree scale is being read to the left When reading the circle degree scale to the left read up the vernier scale in the same direction Sighting and Focusing the Telescope Avoid touching the tripod while sighting Aim the telescope 1 at the object and sight first through the notch on the top of the telescope for preliminary sighting Look through the telescope eyepiece 2 and bring the object into foc...

Страница 10: ...ft 2 m we know that point B is 1 ft 0 3 m higher than point C Using the same principle you can easily check if a row of windows is straight or a wall is level or how much a driveway slopes Running Straight Lines with a Level Set up the instrument over Point A A plumb bob should be held over Point B Sight approximately on the plumb bob cord and turn the telescope so that the vertical cross hair coi...

Страница 11: ...d previously Turn the telescope so that the vertical cross hair is directly in the center of the rod at station 2 Set the horizontal circle at zero to coincide with the vernier zero Then turn the telescope to sight on station 4 and read the angle In this case it would be 120 degrees Move the instrument and tripod to station 2 and level exactly as before When the instrument has been leveled sight b...

Страница 12: ...s hair at point E Set reading to zero Turn the telescope 90 degrees to the left to establish the line F H Measure out the distance and place a stake at point H Vertical Applications LT6 900 Only The following example illustrates how to use a level transit for laying out roads building lines ditches orchards fences hedges fields etc Running straight lines with a level transit Although it is possibl...

Страница 13: ... owner s manual 3 Make sure the tripod is on a firm base and mark the location of the tripod shoe points These marks can be used for future reference 4 After the instrument has been completely leveled sight on the wall that is 10 feet 3 m away 5 Place a two foot section of rod ribbon on the wall so the horizontal cross hair of the instrument intersects the middle of the two foot section 6 Rotate t...

Страница 14: ...horized 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 instrument...

Страница 15: ...A 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 LIMITATIO...

Страница 16: ...42344D8834 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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