AFL FLX380 Kurzreferenz-Handbuch - Seite 5

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Test Settings: General OTDR Test Modes

Setup

Parameter

Full Auto

Wavelength User selects single or multiple wavelength(s) at which to test.

Auto Setup

N/A

(not applicable)

Range

N/A: automatic

Pulse width N/A: automatic,

based on auto-

detected range

Averaging

Resolution

N/A: automatic

Range: When setting manually, select

[Range], which is at least 20% longer than

the fiber under test.

Pulse width [Pulse]: Select wider pulse

widths to obtain cleaner traces (less noisy).

Select narrower pulse widths to detect

events which are close together (better

resolution).

General-Purpose OTDR Test Mode

Real Time

[Off]: User sets all parameters manually.

[By Range]: User sets [Range] & [Resolution], [Pulse

width] & [Averaging] selected automatically.

User sets OTDR scan range.

Automatic if [Auto Setup] parameter is set to [By

Range] option.

User-set if [Auto Setup] parameter is set to option [Off].

N/A: 1 second

Automatic if [Auto Setup] is set to [By

Range].

updates

User-set if [Auto Setup] is set to [Off].

User-set [High] or [Normal].

Averaging Time [Averaging]: Longer

averaging times produce cleaner traces.

Resolution: [High] resolution provides

close data spacing for more precise event

location and better detection of closely

spaced events. [Normal] resolution uses

more filtering to provide a cleaner trace,

but with lower resolution.

Expert