Instructions

930XC-20C • 930XC-20M • 930XC-30F • 930XC-30P
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Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155
Denitions of Measurement Parameters
Range Conguration
Generally, the range is set according to the actual length of optical ber in order to insure the accuracy of the measurement.
Under the parameter conguration menu use p and q to highlight “Range.” Press Enter to select a range (Figure 3-10).
Press to exit.
Use p and q to select an adequate range. Press Enter to conrm.
Notes:
• “Auto” means automatic measurement. When this function is selected, the instrument automatically selects an adequate
range and pulse width for the measurement. The process of measurement does not require any intervention by the user.
• “Auto” is the default setting.
Figure 3-9. Range Conguration
Range
Pulse Width
Average Time Select suitable testing time
Wavelength Select laser wavelength for measurement
Measurement Mode Select mode for measurement
PM/LS
Length Units
Optical power meter, stabilized laser source, and VFL
Select units of measurement
IOR
Threshold
Events whose insertion loss is ≥ the threshold displayed here
End Threshold First event with insertion loss ≥ the threshold is considered the end of
Delete File Delete stored trace data in the instrument
Time Show current system time
Auto Off Enable or disable auto off function
Lang./
Choose language
LCD Contrast Adjust contrast of LCD
Color Mode Select suitable color setting for display
Load Default Set all parameters to factory setting
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