Pentax K100 D Operating Manual page 165

Using in Wireless Mode
1 Place the external flash (AF540FGZ or AF360FGZ) at the desired
location.
2 Set the power switch of the above external flash to [WIRELESS].
3 Set the wireless mode of the above external flash to [S] (Slave).
4 Turn on the camera, and then turn the mode dial and set the exposure
mode to e, b, c or a.
5 Set the power switch of the external flash on the camera to
[WIRELESS].
6 Set the wireless mode of the external flash on the camera to a (Master)
or A (Control).
• Wireless mode is not available for the built-in flash.
• Set the wireless slave mode of the external flash to [SLAVE1].
Wireless Flash Control (P-TTL Flash Mode)
The following information is exchanged between the two external
flash units (AF540FGZ or AF360FGZ) before the flash is discharged
when the external flash units are used for wireless flash.
Press the shutter release button fully.
1 The flash unit on the camera emits a small control flash (relays
the flash mode of the camera).
2 The external wireless flash unit emits a small control flash
(relays confirmation of subject).
3 The flash unit on the camera emits a small control flash (relays
flash output of external wireless flash unit).
* The flash unit on the camera will emit a small control flash one more
time after this to relay the flash duration time when HS b (High-
speed sync) is set.
4 The external flash unit(s) discharges as main flash.
Set the wireless slave mode of the external flash to [SLAVE1].
163
5