Delta-T SLM4 User Manual Download Page 2 | Manualshive

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All rights reserved. Under the copyright laws, this manual may not be
copied, in whole or in part, without the written consent of Delta-T Devices
Ltd. Under the law, copying includes translation into another language.
Copyright © 2000, 2003 Delta-T Devices Limited

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Delta-T Devices Ltd reserves the right to change the designs and
specifications of its products at any time without prior notice.

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John Wood, Edmund Potter.

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[email protected]

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http://www.delta-t.co.uk

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Summary of Contents for SLM4

Page 1: ...8VHU 0DQXDO IRU WKH 6HOI HYHOOLQJ 0RXQW W SH 6 0 HOWD 7 HYLFHV WG SLM4 UM 1 0 ...

Page 2: ...ng includes translation into another language Copyright 2000 2003 Delta T Devices Limited HVLJQ FKDQJHV Delta T Devices Ltd reserves the right to change the designs and specifications of its products at any time without prior notice XWKRUV John Wood Edmund Potter 8VHU 0DQXDO 9HUVLRQ DQ HOWD 7 HYLFHV WG 7HO RZ 5RDG XUZHOO D 0 5 H PDLO sales delta t co uk 8 ZZZ http www delta t co uk ...

Page 3: ...RU 8VH To operate 10 Image alignment in HemiView 10 8VLQJ WKH 1LNRQ RROSL DPHUD 7DNLQJ HPLSKRWRV Image size and compression 11 Camera settings 11 Exposure 12 Taking the Picture 13 RZQORDGLQJ LPDJHV WR D 3 DUUDQW DQG 6HUYLFH 7HUPV DQG RQGLWLRQV RI 6DOH 6HUYLFH DQG 6SDUHV 7HFKQLFDO 6XSSRUW Contact details 15 ...

Page 4: ...for taking hemiphots for use with Delta T s HemiView canopy analysis software The SLM4 is designed for use with the Nikon Coolpix 4500 digital camera with hemispherical lens attachment For ease of use the mount is equipped with the following features Bubble level with adjustable levelling weights Compass for North South alignment viewable from above or below Markers used to align Hemiphots in Hemi...

Page 5: ...6 0 8VHU 0DQXDO Y RQWHQWV z Fig 1 SLM4 with lens cover removed 7ULSRG VRFNHW RPSDVV OLJQPHQW PDUNHUV QQHU SLYRW VFUHZ LPEDO SODWH XEEOH OHYHO DODQFH ZHLJKW ROODU ...

Page 6: ... and rotating the lens and collar Fig 3 Check that the lens edge is 2mm below the alignment marker shoulders Fig 7 and the camera is positioned as in Fig 5 Clamp the assembly by tipping the gimbal plate and tightening the two clamping screws Fig 4 Tighten the inner pivot screws Fig 1 until the assembly swings freely but comes to rest quickly R QRW overtighten the pivot screws Fit the alignment mar...

Page 7: ...6 0 8VHU 0DQXDO Y RQWHQWV z Fig 2 Fitting the lens to the collar Fig 3 Fitting the camera to the lens ...

Page 8: ... z RQWHQWV 6 0 8VHU 0DQXDO Y Fig 4 Clamping the collar to the gimbal plate Fig 5 Orientation of camera ...

Page 9: ...6 0 8VHU 0DQXDO Y RQWHQWV z Fig 6 Fitting the alignment marker clip to the flash unit Fig 7 Checking the lens alignment ...

Page 10: ...way North is as the two ends of the needle look the same from below Select an appropriate exposure setting Set the camera self timer press the shutter release and put the mount at the required height Keep the mount as level as possible otherwise parts of the mount may be visible in the picture Replace the lens cover to protect the lens from dirt or damage PDJH DOLJQPHQW LQ HPL9LHZ Align the horizo...

Page 11: ...tion We recommend using Fine image quality This will give you approximately 8 images on a 16MB card 33 on a 64MB card Normal image quality may be adequate for many canopies particularly broad leaved canopies and will double the number of images you can store Do a trial comparison on your site to see if the image quality makes any significant difference See p 101 DPHUD VHWWLQJV The following Shooti...

Page 12: ...out 50 sky visible Use the command dial to select the highest f number consistent with a shutter speed faster than 1 60 second This is to minimise camera shake but use the smallest aperture possible to give the greatest depth of field in focus Set the camera to manual exposure and set the shutter speed and aperture to these values Use this exposure setting for all your hemiphotos as long as lighti...

Page 13: ...d reader connected to your PC USB port The memory card will appear as a removable drive in Windows Explorer and the images can be copied to your hard drive or other storage medium using Windows Explorer They can be opened directly from the memory card in HemiView but this is not recommended because HemiView does not store the images themselves only information about them so the images will be lost...

Page 14: ... by repairing the goods free of charge at Delta T s premises in the UK during the warranty period If Delta T requires that goods under warranty be returned to them from overseas for repair Delta T shall not be liable for the cost of carriage or for customs clearance in respect of such goods However we much prefer to have such returns discussed with us in advance and we may at our discretion waive ...

Page 15: ...equipment has to be forwarded to our original supplier for specialist repairs or recalibration additional delays of a few weeks may be expected 7HFKQLFDO 6XSSRUW Technical Support is available on Delta T products and systems Users in countries that have a Delta T Distributor or Technical Representative should contact them in the first instance Technical Support questions received by Delta T will b...

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