Chapter 3 PERFORMING MEASUREMENTS
3-41
2. Press [ENTER].
A selection window will appear.
Default setting
Wavelength 1.31µm: −50.00dB
Wavelength 1.55µm: −52.00dB
3. Locate the cursor to “0” by using [W] / [X].
4. Change to “2” by using the rotary knob or [S].
5. Locate the cursor to “1” by using [W] / [X].
6. Change to “0” by using the rotary knob or [T].
7. Locate the cursor to “3” by using [W] / [X].
8. Change to “0” by using the rotary knob or [T].
9. Press [ENTER] to register the change made to the backscatter level.
10. Press [F4] (DONE) to register the changes made to the measurement
conditions.
When changing the condition for two or more items, it is recommended to change
the condition for each item first and then press [F4].
Refer to the notes given on changing the measurement conditions (page 3-50).
TIP
Refer
TIP
Selectable
back scatter level
−10.00dB
to
−64.99dB
(0.01dB step)
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