OM SYSTEM TG-7 Instruction Manual page 34

Histogram display
A histogram showing the distribution of brightness in the image
is displayed. The horizontal axis gives the brightness, the vertical
axis the number of pixels of each brightness in the image. During
shooting, overexposure is indicated in red, underexposure in blue,
and the range metered using spot metering in green.
Level gauge display
The orientation of the camera is indicated. The "tilt" direction is indicated on the vertical bar and the
"horizon" direction on the horizontal bar. The camera is level and plumb when the bars turn green.
Use the indicators on the level gauge as a guide.
If there are any errors in the display, perform Level Adjust (P.154).
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Information displays while shooting
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More Dark
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Less Bright
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