To obtain accurate results, compensate for any external attenuation or gain by using the Rx Power Offset or Tx Power offset submenus under the Amplitude main menu key. In power offset mode, the compensation factor is in dB.
Press the Rx Power Offset or Tx Power Offset submenu key and use the keypad, the arrow keys, or the rotary knob to enter the desired offset value. When using the rotary knob, the value changes in increments of 0.1 dB. Using the Left/Right arrow keys changes the value in 10% increments of the value shown on the Scale submenu key. The power offsets for Tx and Rx are displayed in the instrument settings summary column on the left side of the measurement display.
2. Select the graph to change with the Active Graph submenu key or the touchscreen. Change the graph with the Graph Type submenu key.
NBFM Analyzer Measurements (Active Graph has the Red Outline)
NBFM Coverage Measurement
1. Press the Measurement main menu key, then press the NBFM Coverage submenu key twice (Figure: Coverage Measurements).
2. Refer to the Land Mobile Radio Measurement Guide listed in Measurement Guides for details on creating a map and coverage mapping.
NBFM Coverage Measurements
NBFM Quieting and NBFM SINAD Measurements
Refer to the Land Mobile Radio Measurement Guide listed in Measurement Guides for details on radio sensitivity testing using the 12 dB SINAD and 20 dB Quieting methods.
