Pentax K-5 Operating Manual page 17

• Using a Combination of the Built-in Flash and an External Flash
Unit
I
Remove the external flash unit after the channel is set on
the camera, and place it at the desired location.
Set the camera flash to w_ mode, and press the _ button.
Confirm that both flashes are fully charged and then take
a picture.
• Using a Combination of External Flash Units
1 Set the wireless mode of the external flash directly
connected to the camera to [MASTER] or [CONTROL].
Sets the camera to discharge both the flash directly
MASTER
connected to the camera and the wireless flash unit.
CONTROL
Sets the camera to discharge the flash directly connected
to the camera as a control flash only, not as the main
flash.
2
3
On the wireless remote flash unit, set the wireless flash
mode to [SLAVE] and set the channel to the same channel
as the flash directly connected to the camera. Then, place
it at the desired location.
Confirm that both flashes are fully charged and then take
a picture.
*The Shake Reducti0n function iS automatically turned Off in wireless mode:
, When using multiple AF540FGZ!AF360FGZ external flashes and performing
high-speed flash sync shooting in wireless mode, set the flash direct!y
connected to the camera to high-speed flash sync mode.