114Advanced GuideBasic Guide1 Camera Basics2 Auto Mode /Hybrid Auto Mode3 Other Shooting ModesTv, Av, and M Mode6 Playback Mode7 Wi-Fi Functions8 Set-Up Menu9 Accessories10 AppendixIndex4 P Mode5 Tv, Av, M, and C ModesBefore UseReducing File SizesMovie file sizes can be reduced by compressing movies as follows.● On the screen in step 2 of “EditingMovies”, choose [ ]. Choose [New File],and then press the [ ] button.● Choose [Compress & Sav.], and thenpress the [ ] button.Image quality after compression is as follows.Pre-compression Post-compression● [ ] and [ ] movies cannot be compressed.● Edited movies cannot be saved in compressed format when youchoose [Overwrite].● However, you can compress and save edited movies as new filesby choosing [Compress & Sav.].Editing Digest MoviesStill Images MoviesIndividual chapters (clips) (= 37) recorded in [ ] mode can beerased as needed. Be careful when erasing clips, because they cannot berecovered.1 Select the clip to erase.● Follow steps 1 – 2 in “Viewing ShortMovies Created When Shooting StillImages (Digest Movies)” (= 96) toplay a movie created in [ ] mode, andthen press the [ ] button to access themovie control panel.● Press the [ ][ ] buttons or turn the [ ]dial to choose [ ] or [ ], and then pressthe [ ] button.2 Choose [ ].● Press the [ ][ ] buttons or turn the [ ]dial to choose [ ], and then press the [ ]button.● The selected clip is played backrepeatedly.3 Confirm erasure.● Press the [ ][ ] buttons or turn the [ ]dial to choose [OK], and then press the[ ] button.● The clip is erased, and the short movie isoverwritten.● [ ] is not displayed if you select a clip when the camera isconnected to a printer.