Setting up Test Equipment

Prerequisites:

Knowledge of test equipment is required.
NoteThe specific steps to access the parameters described are not covered in this manual. Please see the operating manual for your specific instrument for assistance with setting it up.

When and where to use:

These generic settings are sufficient to achieve the necessary baseline. The following information can be applied to any of the test equipment mentioned in Test Equipment.

Procedure:

  1. Begin the service monitor setup by setting the following parameters:
    • Analyzer Input Port: Set to Antenna.
    • RF Preamp: Off Initially
    • Modulation Type: Set to FM.
    • IF Bandwidth: must match the transmitter bandwidth of 12.5 kHz or 25 kHz
      NoteThe GDI 2600 series does not have a 12.5 kHz bandwidth setting. For a 12.5 kHz system, the result is higher noise for both cabled and over-the-air measurements.
    • Audio Filtering: 15 kHz or 5 kHz Low Pass Filter
  2. Begin the Dynamic Signal Analyzer (DSA) set up by setting the following parameters:
    • Preset: If the instrument has a preset, press it for a known starting state.
    • Inst Mode: FFT Analysis
    • Channel: Ch 1
    • Active Trace: A and B
    • Display Format: Upper/Lower
    • Meas Data: Upper Trace CH1 Time, Lower Trace CH1 Power
    • Freq: Start 0 kHz, Stop 2 kHz initially