Use the OTDR
OTDR Results
223
When the cursor is on an event, this area shows the event type.
The text is green if the event passed, red if the event failed, or
black is there is no limit for measurements. The event type does
not show after you tap MARK to use the measurement cursor.
Tap to see help for this screen.
Tap SETUP to change the RANGE, PULSE WIDTH, AVERAGING
TIME, and wavelengths for the test. See “How to Quickly Change
OTDR Settings After a Test” on page 224. You can also tap
CURRENT to see the settings used on the test.
Tap or to move the cursor to another event.
The wavelength the tester used for the test. If the tester used
more than one wavelength, tap or to see the other
wavelength. Possibly, some events show only at one wavelength.
When All shows, the screen shows the traces for all wavelengths.
When more than one button shows at the bottom of the screen,
the tester highlights one in yellow to recommend which one to
tap. See Buttons to Do Tests and Save Results on page 22.
The distance scale shows the distance along the fiber.
Markers for the end of the launch cord and the beginning of the
tail cord are orange, dashed lines.
PASS: All measurements were within the limits.
FAIL: One or more measurements exceeded its limit.
To zoom in and out, use the pinch, reverse-pinch, and double-
tap gestures on the touchscreen. You can also use the zoom
controls to change the magnification on the distance and
decibels scales independently. See Figure 3 on page 21.
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