Exfo OTDR 2 User Manual download pdf (Page 69)

Testing Fibers

OTDR 61

Setting Distance Range, Pulse Width, and Acquisition Time

You can use the same distance range, pulse width and acquisition time

parameters for testing at all wavelengths on a multiwavelength OTDR. For

more information, see Applying Acquisition Settings by Wavelength on

page 59.

To set the parameters:

From the OTDR tab:

 Tap the dial corresponding to the parameter you wish to set (the

selection marker will move clockwise).

 Tap directly the value to select it. The selection marker will go to that

value immediately.

Note: If your OTDR supports singlemode, singlemode live, or multimode

wavelengths, settings would be applied to either singlemode, singlemode

live, or multimode wavelengths, depending on the selected fiber type

(same settings for 50 m and 62.5 m).

IMPORTANT

To test the high-resolution feature, you must set a minimum

acquisition time of 15 seconds.

Parameter-setting dials

Selection

marker

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Exfo OTDR 2 User Manual Page 69