EXFO FPM-600 Power Meter - Manual (Page 43)

Using a Light Source (FLS-600 and FOT-600) or VFL
Power Meter/Light Source/Optical Loss Test Set 37
Sending Source Power Value with Signal
To define the source power value to use as reference:
1. From normal operating mode, press
repeatedly until you reach
SRC.
2. Press to access the first submenu, then press repeatedly
until you reach the PREF menu.
3. Press to switch between available source wavelengths and select
one. The unit displays the currently defined power value for this
wavelength.
4. Edit the power value as follows:
4a. Hold down for a few seconds. The first digit of the power
value blinks.
4b. Revert all digits to 0 by holding down for a few seconds.
AND/OR
Select a digit to change by pressing until it blinks, then
increase its value by pressing (it returns to 0 after 9). After
the last digit, all digits blink: you may add/remove the “–” sign by
pressing .
4c. While a digit blinks, hold down for a few seconds to save the
modified value (it remains in memory even when you turn off the
unit) or press
to return to the previous value without saving.
5. Press twice to exit setup menus.