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2. Press the Power Meter
button. The Power Meter
screen, shown at right,
will be displayed.
3. The test direction will be
indicated in the titlebar.
The power, reference, and
loss are displayed for each
wavelength.
4. Press Escape to exit the
Power Meter screen.

5.2 Loopback

Power and loss for both wavelengths can also
be measured in a Loopback.
1. Attach the cable to be
tested to the launch cable
as described in the
Loopback Autotest
section.
2. Press the Power Meter
button.
3. The direction of the
power flow will be
indicated in the titlebar.
4. Press Escape to exit the Power Meter
screen.
CHAPTER 5: Operation: Manual Measurements
55

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