Pentax A3000 A3000 Manual - Page 31
AF280T
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USING PROGRAMMED AUTO FLASH MODE When using any Pentax dedicated flash in the Programmed Auto Flash mode, you can set the camera in either Programmed AE or Aperturepriority AE mode. (1) Attach the flash to the camera. (2) Set the flash mode selector of your flash to AUTO (red, green, or yellow). (This does not apply to AF200SA.) (3) Turn the flash switch on. • When set in Programmed AE mode • AF200SA, AF200T, AF280T and AF400T are compatible. • When the 5 mark and "P" appear in the viewfinder while you are keeping the shutter button depressed half-way, it indicates that the flash has been fully charged, and simultaneously the shutter is set to work at the sync speed of 1/60 sec. The aperture is also automatically set to the programmed f-stop as shown in the table, according to the AUTO position you choose. (At ISO 100) AF200T AF280T AF400T Red f/2.8 f/4 f/4 Green f/5.6 f/8 Yellow - - f/8 f/11 (AF200SA: f/4 at ISO 100) ■ As the film speed changes, the aperture also changes automatically. 27*