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7.3 Instruction of Menu Button“Measurement”/“Stop”of OTDR
After entering interface of OTDR, click the button icon “measurement”. Firstly, it will inspect
whether there is light in the optical fiber, then, it will inspect the connection status of instrument
and the connector of optical fiber that waiting to measure. After the above two inspections
finishing, it begins OTDR measurement. The measurement model should correspond to the
measurement model option in the “parameter setting”. The inspection for checking whether
there is light in the optical fiber is to inspect the communication light in the optical fiber line, if
there is light, on consideration of protecting the instrument and communication equipment, the
measurement should be terminated and warning prompt should be given. Prompt mode:
warning dialog box ejects. The accuracy of the data measured by OTDR instrument is closely
related to the connection status of the connector of the optical fiber that waiting to measure. The
inspection to the connection status includes two grades: Good and Bad. Prompt will be given in
the status bar of OTDR after inspection; however, it won’t influence the measurement of OTDR.
During OTDR measurement process, click the button icon“stop”. The OTDR measurement
will stop immediately.
When operating the buttons, the instrument provides fast operation modes of two
measurement models. Through the" measurement / stop" button +" shift" button combination
operation, can be realized between the average and real-time measurement mode toggle
selection; In selecting the corresponding measurement mode, then through the " measurement
/ stop" button, can be realized in the corresponding measurement mode measurement.