Pentax ist - Manual (Page 118)

116
USING EXTERNAL FLASH
FLASH
CAMERA FUNCTION A B C D E
Red-eye reduction flash
Automatic flash discharge
After the flash is charged, the camera
automatically switches to the flash-sync
speed.
Automatic aperture setting in the Auto Picture/
Picture Mode or Shutter-Priority AE Mode
Flash confirmation in the viewfinder
P-TTL auto flash
TTL auto flash
Slow-speed sync
AF illuminator
Trailing shutter curtain sync flash
Contrast-control-sync flash mode
Slave flash
Multiple burst flash
High-speed sync
Wireless flash
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* 7
* 1
* 2 * 2
* 3
* 5
* 5
Flash Functions