Making An Optical Power Meter Measurement - Deviser SitePROFILER User Manual

13-1

Making an Optical Power Meter Measurement

The following is a step-by-step guide for conducting a power level measurement in the Optical Power
Meter mode.
Procedure:
1. Tap the Wavelength main menu softkey. Select one of the listed wavelengths (in nm): 850, 980,
1300, 1310, 1490, 1550, 1610. Your selection will appear in the bottom-left-hand corner of the
measurement display.
2. Tap the Amplitude main menu key. Use the Max and Min softkeys, along with the arrow keys, rotary
knob, or data keypad, to adjust the amplitude range to display on the on-screen power meter. You
can also tap Auto Scale to set the max and min values to where the current measurement is easily
visible, or Full Scale to display the entire measurement range.
a. Adjust Ref Offset, if necessary, to compensate for external input attenuation or gain.
b. Remember to select the appropriate measurement units: dBm or Watts.
3. Tap the Sweep main menu key. Set Sweep Type to Cont for continuous measurement, or Sngl for a
single sweep.
4. Still in the Sweep main menu, open the Average submenu. Toggle Averaging On to activate the
per-sweep averaging function, where the measurement displays the mean data of numerous
sweeps (as determined by the AVG Factor). Use to obtain stable readings from an erratic signal.
5. If the instrument is properly connected and configured, the yellow needle on the display will swing
to indicate the power reading in real time.
6. You can toggle Max Hold to the left of the display (or in the Sweep menu) to freeze the reading at
its highest measured level.
7. The red and green regions on the meter display indicate limit lines. Tap the Limit main menu key to
adjust your upper and lower limits for pass/fail testing. Enable Limit Alarm for an audio failure cue.
Saving the Measurement:
When you have conducted a successful measurement and wish to save the results for later viewing or
analysis, press the Save button to the top-right of the display. Power meter measurements will save as .PMM
files. For more details on naming and saving files to the instrument or USB, see Section 17-2.
E7000L SitePROFILER
Handheld Cable/Antenna Analyzer
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