Exceeding the display range
The LC display of the flash unit can indicate a ma- ximum range of 199 m or 199 ft. The display range of feet (ft) may be exceeded in the event of high ISO values and large aperture openings. This is signalized by the flashing of “199ft”.
11. Special functions
11.1Automatic switch-off function
AUTO-OFF
The flash unit features a function to automatically
Deactivating
•Turn off the flash unit by its main switch.
•Keep the “MODE” key depressed.
•Turn on the flash unit by its main switch.
•Release the “MODE” key; “8m OFF” will briefly appear on the LC display.
Activating
•Turn off the flash unit by its main switch.
•Keep the “MODE” key depressed.
•Turn on the flash unit by its main switch.
•Release the “MODE” key; “8m ON” will briefly appear on the LC display.
11.2 Meter-Feet changeover (m - ft)
Proceed in the following manner to change be- tween m / ft:
•Turn off the flash unit by its main switch.
•Keep the 
•Turn on the flash unit by its main switch.
•Release the 
The display changes from “m” to “ft” or from “ft” to “m”. The selected unit of measurement is re- tained after the flash has been switched off or the batteries have been exchanged.
11.3Adapting the flash delay in slave mode with preflash suppression 
The flash unit is factory-set to a delay period of
45 milliseconds (ms) between measuring preflash and main flash. This means that the flash unit will only be triggered if the time between the first measuring pre-
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