Mid. tone function, Mid. tone setting, 1) set from current measurement – Sekonic Speedmaster L-858D-U Light Meter User Manual
Page 153: P139), Memorized value) or edit the mid tone value, 5 mid. tone function

139
6. Functions
6-5
Mid. Tone Function
This function is used to specify a measured value as the standard of light
measurements and put it at the center of EV scale.
The Mid. Tone Function has four modes:
Setting name
Description
Set from Current
Measurement
Specify the measured value as the Mid. Tone value.
Set from Memory
Select the desired one from up to nine measured values saved in
the memory, and set it as the Mid. Tone value.
Modify Current Mid. Tone
Modify the specified Mid. Tone value.
Mid. Tone Recall
Allows you to check the Mid. Tone value on the Mid. Tone Recall
Screen.
NOTE
In case that the Mid. Tone is assigned to Function Button -1 or -2.
Icon
Description
Disabled when no measured value is taken.
Displayed when the Mid. Tone setting is OFF.
Displayed when the Mid. Tone setting is ON.
6-5-1
Mid. Tone Setting
1)
Set from Current Measurement
Set the measured value as the Mid. Tone value.
Operation
1.
Press the Measuring Button
6
.
Press this button to make a measurement.