Pentax 14748, Operating Manual

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By using two external flashes (AF540FGZ or AF360FGZ) or using the
built-in flash with one or more external flashes, you can shoot in P-TTL
flash mode without connecting the flash units with a cord.
First, set the channel for the external flash unit.
1
Set the channel for the external flash unit.
2
Remove the cover of the hot shoe and attach the external
flash.
3
Turn on the camera and the external flash, and press the
shutter release button halfway.
The built-in flash is set to the same channel as the external flash unit.
Using Flash in Wireless Mode
• Set the power switch of the external flash to WIRELESS.
• Two or more AF540FGZ/AF360FGZ external flashes are required to use
high-speed flash sync in wireless mode. This function cannot be used in
combination with the built-in flash.
• Set the wireless mode of the external flash not directly connected to the
camera to SLAVE.
Setting the Channel for the External Flash
• When set to r mode, the channel currently set for the built-in flash is
displayed in the viewfinder for 10 seconds.
• Be sure to set all the flashes to the same channel. Refer to the manual of the
AF540FGZ or AF360FGZ for details on how to set the channel on the
external flash.