Pentax OPTIO L50 Operating Manual page 21

Histogram + Info Display in Still Picture Capture Mode
1
2
3
4
1 Bright portion (blinks red)
2 Dark portion (blinks yellow)
3 Shutter speed
4 Aperture
5 Recorded pixels (p.91)
* 3 and 4 appear only when the shutter release button is pressed
halfway.
* Some indications may not appear depending on the shooting mode.
About the Bright and Dark Portions
When there is an area in the frame that is so bright it appears white, the
indicated area blinks red as a warning. Similarly, when there is an area
that is so dark it appears black, the indicated area blinks yellow as a
warning.
1/250 1/250 1/250
F3.5 F3.5 F3.5
+1.0 +1.0
+1.0 +1.0 +1.0
6 Quality (p.93)
7 White balance (p.94)
8 AE Metering (p.96)
9 Sensitivity (p.98)
10 Histogram (p.86)
38 38 38
5
8
M
6
7
8
200 200 200
9
10
19