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IM 735201-01E
3-7
3.3 Absolute Value Measurement
3.3.1 Measuring Optical Power
When the power to the instrument is turned ON, measurement begins.
The optical power level is displayed in the measured value display area.
Figure 3-9 Example of an optical power measurement screen
3.3.2 Changing Units
Each time you press the
dBm/W
key, the display cycles through the following
options: “
dBm
” -> “
W
” (auto units) -> “
mW
” (fixed units) -> “
dBm
”.
dBm display
W display (auto)
mW display (fixed)
Figure 3-10 Display example of unit settings
Note
・
・
If the units are dB, differential measurement (relative value
measurement mode) is indicated.
Press the dBm/W key to switch to optical power measurement
(absolute value measurement mode).