beautypg.com

Codan Radio MT-4E Analog and P25 Digital - Maintenance Guide User Manual

Page 32

background image

MAINTENANCE GUIDE | MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS

Chapter 5: Codan Radio System Testing

Page 24

Audio Distortion:

To check receiver distortion, inject -70 dBm RF carrier level into the receiver and measure the distortion
on the meter as shown in Figure 5-5. The High Alarm is set to 2.0 %.

Figure 5-5: Receiver Distortion Measurement

Enter the Audio Distortion reading on the MT-4E Test Sheet.