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Operation Instructions
1. Power On/Off and Auto-off Function
Press the
button to turn on the instrument. Press it again for 2 seconds or
more to turn it off.
This power meter has a power-saving function. If 10 minutes without any
operation, the instrument will automatically shut down. If you need to disable this
function, only need to press the button
for 2 seconds when you turn on the
instrument till it displays "PERM".
2. Backlight Function
When the instrument is powered on, short press the button
, you can control
the backlight function on or off. The backlight function supports you to use the
power meter at night or darker occasions.
3. Wavelengths
According to the project, we need to measure optical signals of different
wavelengths.
Then we need to select a corresponding wavelength to measure the optical
power. If the wavelength needs to be measured does not match with the
wavelength we select on the optical power meter, it will lead to the measuring
values meaningless.
Press the button
, the instrument will change wavelength, and display.
FOPM-201/FOPM-202 optical power meter calibration measured wavelengths are:
850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm.
4. Unit
button
can be used to change the display unit of the measurement data to
meet the different requirement. When press this button for 2 seconds, the display
will successively show the dBm value or mW/uW value.
The numeric relationship between mW value and dBm value is: 10lg (mW) =
(dBm).
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