Switch the light receiving method, Incident light system, 1) using the function button for setting – Sekonic Speedmaster L-858D-U Light Meter User Manual
Page 46: Rotated through 270° to receive light, P32), Set the light receiving method, Method, 2 switch the light receiving method, 2-1 incident light system

32
4. Basic Operations
4-2
Switch the Light Receiving Method
4-2-1
Incident Light System
The incident light system measures the light that is falling
on the subject using the Extended lumisphere or
Retracted Lumisphere Function. Point the lumisphere
at the camera lens (lens optical axis) from a location
close to the subject, then make a measurement.
1)
Using the Function Button for Setting
*
This section describes how to switch the light receiving method from the reflected light
system to the incident light system.
1.
Touch the [Function Button] Icon (
) on the Measuring
Screen.
This changes the screen to the Select Incident/Spot Screen.
2.
Touch the [Incident Light] Radio Button.
This changes the system to the incident light system, and the display returns to
the Measuring Screen.
Measuring Screen
Measuring Screen
Select Incident/Spot Screen
Function Button
Specified light receiving
method's Function Button