64-ENGLISH ENGLISH -65 OthersDCF standardThis projector can only play back image files which comply with the DCFspecification. The DCF specification imposes the following conditions. Imagefiles or folders which do not conform to these conditions cannot berecognised by the projector.Limits on folder namesFolders must be created as sub-folders of the DCIM folder on the SDmemory card.B Data which is contained within any folder other than the DCIM foldercannot be recognised.Folder names must consist of three numerals (folder number) followedby five alphanumeric characters. (Example: 100abcde)B The three numerals must make up a number between 100 and 999, andthe alphanumeric characters can be taken from the following set of 37characters: 0123456789abcdefghijklmnopqrstuvwxyz_ (No distinction ismade between upper-case and lower-case alphabetic characters.Doublebyte characters cannot be used.)Multiple folders using the same three-digit combination (folder number)cannot be created.B For example, if two folders exist named "100abcde" and "100fghij"respectively, the projector will not recognise them.Folder sub-hierarchies are not supported.B For example, if a folder called "323fghij" is created as a sub-folder of the"102abcde" folder, the projector will not be able to recognise the sub-folder.File namesFile names must consist of four alphanumeric characters followed byfour numerals (file number), followed by ".jpg". (Example: abcd0001.jpg)B The four numerals must make up a number between 0001 and 9999, andthe alphanumeric characters can be taken from the following set of 37characters: 0123456789abcdefghijklmnopqrstuvwxyz_ (No distinction ismade between upper-case and lower-case alphabetic characters.Doublebyte characters cannot be used.)Multiple file names using the same four-digit combination (file number)cannot be created.B For example, if two files exist named "abcd0001.jpg" and "efgh0001.jpg"respectively, the projector cannot recognise them normally.File formatB Only JPEG image files which comply with the Exif 2.2 standard arerecognised.Projection dimensions calculation methodsThe following methods will allow you to calculate dimensions such as screendiagonal length and projection distances. Units in all calculations are metre.SDSW16:9LW/LTH1SHScreen Width: SW=SDx0.872Screen Height: SH=SDx0.490Minimum Projection Distance: LW=1.229xSD-0.0381Maximum Projection Distance: LT=1.481xSD-0.0381Image Lower Edge from Lens Center: H1=SW/32Dimensions 280(11)80.2(3-5/32)85.2(3-11/32)PT-AE200U: 278.5(10 15/16)65.4(2 9/16)49.7(1 15/16)269(10-9/16)PT-AE300U: 279.7(11)