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Operation Instructions
1. Power On/O and Auto-o Function
Press the button
OFF
Press the button
NOTE:
Auto-o function
(1) The instrument will power o automatically if 10 minutes without
any operation.
(2) While in the power-on state, press the button
seconds to turn o the "Auto-o " function.
2. Select Wavelength
Press the button
(FOLS-203), or between 850nm and 1300nm (FOLS-204).
3. Frequency Output
The instrument defaults to CW when it switches on. When it sets to CW, there is
no frequency on display.
Press the button
4. Switch Backlight of LCD On/O
Press the button
brie y. The instrument powers on.
ON
brie y again. The instrument powers o .
ON
OFF
to select the wavelength between 1310nm and 1550nm
λ
to select the output among 270Hz, 1kHz and 2kHz.
CW
Hz
to switch the backlight of the LCD on and o .
for about 2
ON
OFF
6
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