Number Of Pre-Flash - Sekonic SPEEDMASTER L-858D Operating Manual

7.
When the Measuring Mode Icon (
button of the camera that is set to HSS Flash Mode to fire the flash unit.
When the flash light is detected, the measurement is made automatically and the
measured value (F-stop) is displayed.
NOTE
● In the HSS Cordless Flash Mode, the backlight of the LCD screen dims and is only
illuminated for three seconds after measurement.
● After the measurement, the meter enters the 90-second Standby Mode again. If you
need to measure again, fire the flash during this time.
● If the measured values are stored in the memory, the Measurement Standby Mode is canceled.
● If the icon stops blinking before the flash fires, repeat Steps 6 and 7.
● To stop the Standby Mode, just touch the screen.
● It is convenient to set the light meter in a fixed position during the measuring time. This
can be accomplished by mounting the meter on a tripod or stand using the tripod socket
on the bottom of the meter.
2)

Number of Pre-flash

For red-eye prevention and auto-flash light adjustment, some devices can pre-flash
before main flash burst.
With the normal setting, the light meter will measure the pre-flash bursts and not the main
flash burst. To take a successful reading, activate the pre-flash feature in the Tool Box.
Operation
1.
Touch the [Tool Box] Icon (
The Tool Box Screen is displayed.
) is blinking, release the shutter
Measuring Screen
) on the Measuring Screen.
93
5. Measuring
Flash Component
Measured Value
(F-stop)