Originally posted by jacobmin I have a AF540 and a AF360. With the 540 attached to the camera in HSS mode and the 360 off camera in TTL Wireless Slave mode, the 360 does not fire. I think this issue is when the 540 is in HSS mode, the option to select wireless master in not available. S I have still yet to get the HSS to work off camera even though the 540/360 manual says its possible on page 41 on my manual. Maybe its just not possible with the k5iis. Hopefully it will be possible with the K-1 because their is no on camera pop up flash.
It should work. You may not be following the directions correctly.
Wireless Shooting 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].
MASTER
Discharges both the flash directly connected to the
camera and the wireless flash unit as the main flash.
CONTROL
Discharges the flash directly connected to the camera as
a control flash only, not as the main flash.
2
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.
3
Confirm that both flashes are fully charged and then take
a picture.
• The Shake Reduction 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 directly
connected to the camera to high-speed flash sync mode.
• When the wireless mode of the external flash directly connected to the
camera is set to [MASTER] or [21. Flash in Wireless Mode] (p.172) is set to
[On] for the built-in flash, all the flashes will discharge simultaneousl