Pentax K20D - Manual (Page 145)

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Usi
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Fl
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5
The AF360FGZ does not have the function to set the FORMAT size to
[DIGITAL], but the difference in angle of view between standard 35 mm
format and the u is automatically calculated based on the focal
length of the lens used (when using DA, D FA, FA J, FA or F lenses).
The conversion indicator appears and the format size indicator disappears
when the exposure metering timer of the u is on (it returns to 35 mm
format display when the exposure metering timer is turned off).
* Using wide-angle panel
Use this flash mode with the AF540FGZ, AF360FGZ or AF200FG flash
unit. When flash mode is set to [P-TTL auto], the flash pre-flashes before
the actual flash and confirms the subject (the distance, brightness,
contrast, whether it is backlit, etc.) using the camera's 16-segment
metering sensor. The flash output for the actual flash is adjusted based on
the information obtained from the pre-flash, enabling flash photography
with more appropriate exposure for the subject than with normal TTL auto.
P-TTL auto is available in wireless flash mode when two or more
AF540FGZ or AF360FGZ units are used.
1 Remove the cover of the hot shoe and attach the external flash
(AF540FGZ or AF360FGZ).
2 Turn on the camera and the external flash.
3 Set the external flash mode to [P-TTL auto].
4 Confirm that the external flash is fully charged and then take the picture.
About the LCD Panel Display for AF360FGZ
Lens focal length 85mm 77mm 50mm 35mm 28mm 24mm 20mm 18mm
AF360FGZ
LCD panel
Exposure
metering timer
Off
85mm 70mm 50mm 35mm 28mm 24mm *
Exposure
metering timer
On
58mm 48mm 34mm 24mm 19mm 16mm *
Using P-TTL Auto Mode