Sekonic DUALMASTER L-558 CINE Opearting Manual page 23

3. When the Measuring button !4 is pressed, the
mode mark
measure. The ready to measure mode will continue
for approximately 90 seconds.
During this time, trigger the flash to make a
measurement.
4. If the 90 second period is exceeded and the blinking
mark stops, press the Measuring button again to
return to ready to measure.
5. When the light from the flash is received, the
measured value (f stop) is displayed. Even after
measurement, the mode mark
and the meter is in ready state and a new
measurement can be made. (Auto-reset function)
NOTES:
• When firing a flash, if the flash brightness is low compared to the ambient light, the meter
may fail to detect the light. In this case, make measurements using the cord flash mode.
• Rapid start fluorescent lamps and special lighting are sometimes mistaken for flash, and
accidentally measured. In this case, make measurements using the cord flash mode.
• The meter's tripod socket permits mounting it to a tripod or light stand and placing it
strategically when using cordless flash mode.
Reference:
• After measurement, the F stop value corresponding to the shutter speed is displayed when
the shutter speed is changed.
• Setting the shutter speed is similar to the previous instruction. (see page 17) of "Cord flash
mode" of section 2-1.
• A new converted value is displayed when the film speed is changed after taking the
measurement.
• Readings outside the display range or beyond the measuring range are similar to the previous
instruction. (see page 18) of "Cord Flash mode" of section 2-1.
will blink and the meter is ready to
continues to blink
Set shutter speed
Measured f stop
value
Ambient
Flash
Measured f stop
(total exposure)
5. Measurement
Perecentage of
flash in total
exposure
1/10
f stop
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