> Introduction
> Figure: Power Meter Display Overview illustrates the preset Power Meter display with limits turned on and no source power.

> Power Meter Display Overview
> 1 | Preset -90 dBm Lower Limit
> 2 | Power Meter Needle
> 3 | High Accuracy Power Meter Mode and Connected USB Sensor
> 4 | Preset 90 dBm Upper Limit
> 5 | Current Power in dBm and Watts (including any Offset Value) or “No USB sensor detected” if an external USB sensor is not connected or recognized by the Site Master.
> 7 | Relative Power (db and %) or Absolute Power (dBm and Watts)
> 8 | Offset Value to Account for External Attenuation or Gain
> 9 | Source Frequency Used for Correction Factor