Page 34 of 51
OptoFidelity Video Multimeter
– User Manual
10.5
Measure VR Displays Save Function
Measurement results can be saved by pushing the
Save
button. After saving
successfully, the message window shows the name of the saved file. See the example
in Figure 32.
Figure 32 Save dialog in Measure VR displays application
The saved data files are in the semicolon separated CSV format which is supported by
Microsoft Excel and many other data analysis tools. See the example of result data file
content in Figure 33. Each row corresponds to one observation and has the following
columns:
A)
Frame start time: The observation time expressed as microseconds from the
beginning of the measurement.
B)
M2P Latency: Motion-to-photon latency (in milliseconds)
C)
Latency accuracy: Estimated accuracy of the observation (in milliseconds)
D)
Backlight on time: Duration (in microseconds) which the display backlight was
switched on. The value reflects the pixel persistence of the display.
E)
Backlight period: Display backlight period (in microseconds). The display refresh
rate (in Hz) is 10e6 divided by the value of this field.
F)
Frame length: The measured video frame interval (in milliseconds)
G)
Frame color: The detected frame marker 6RGB color
Figure 33 VR Display measurement results
