Slave Mode Setting - Pentax AF-540FGZ Operating Manual

Slave Mode Setting

To properly control the slave flash, it is necessary to set
the slave mode settings.
2 seconds
or more
52
Procedure
1
Slide the setting switch up.
2
Press the LCD panel illumination button (LIGHT)
for 2 seconds or more. SL1 will be displayed.
3
Press the select button (S) to select SL 1 or
SL 2.
SL 1: When photographing in wireless mode
SL 2: When photographing with slave flash
The flash will not fire properly if the slave mode
was set to the wrong mode. It may not fire at all
or may fire simultaneously with the control flash.
4
Press the LCD panel illumination button (LIGHT)
to finish setting.
In SL 2, fluorescent lamps flicker may contribute to
flash unit's erroneous firing on rare occasions.