Sekonic Speedmaster L-858D-U Light Meter User Manual
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12. Troubleshooting
Condition
Possible reasons
What to do
Measured value does not
look correct.
Is the lumisphere retracting ring
at an intermediate position?
Rotate the lumisphere retracting
ring until it clicks into place.
Is the light receiving method
between Incident light and
reflected light wrong?
Make sure if the light receiving
method (incident or reflected) is
correct, and set it with Function
Button or Tool Box to take a
measurement correctly.
+/- values in ADJ (Exposure
Compensation) or Filter area of
Information Screen in use?
Check the exposure
or filter
P127) are set
correctly in Tool Box.
Exposure Profile in use?
Check if correct exposure
profile is selected in Tool Box, or
Is a user calibration set with the
Hardware Setting Function?
Check the user calibration
the set value is correct or not.
Measuring Mode set for type of
light being measured?
Check Measuring Mode Icon.
To change, touch Icon to go
to Measuring Mode Selection
Screen.
Flash being measured in
Cordless Mode set for TTL or
Auto? (Pre-flash being measured
instead of exposure flash.)
Select manual modes for flash
in use. Exposure meters cannot
measure TTL flash.
Set the number of pre-flash
in Tool Box to measure the
exposure flash correctly.
Does the flash unit being used
have the Pre-flash Function?
Set the number of pre-flash
in Tool Box to measure the
exposure flash correctly.
In HD Cine Mode, cannot
set lower shutter speed.
Normal function. Shutter speeds
cannot be set lower than the
selected frame rate. (For
example, if the frame rate is set
to 15 f/s, the shutter speed can
only be set up to 1/15 s.)
Select lower frame rate. Increase
brightness to get desired
F-number.
Displayed shutter speed
and aperture values do
not look like camera's
settings.
Are display steps set for full or
1/2 or 1/3 equal to your camera?
Press Menu Button
9
. Select
3. Custom Setting. Select
Increments of T+F to set display
properly.