MT-4E Analog and P25 Digital Radio Systems - Daniels Electronics
MT-4E Analog and P25 Digital Radio Systems - Daniels Electronics
MT-4E Analog and P25 Digital Radio Systems - Daniels Electronics
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Chapter 5: <strong>Daniels</strong> <strong>Radio</strong> System Testing 33<br />
On the IFR 2975, recall <strong>Daniels</strong> setup 4 (Rx_PreTune) from your internal drive. Enter the correct RF<br />
frequency <strong>and</strong> ensure the receiver is turned on. In the “Trace” box on the right h<strong>and</strong> side of the screen<br />
click on the “Run” button. The fi lter waveform should appear as shown in Figure 5-17. Click on Options<br />
then Confi gure Markers to add optional markers to the spectrum analyzer if desired.<br />
Figure 5-17: Receiver RF Preselector on the Spectrum Analyzer<br />
To tune the RF Preselector fi lter, remove the dust caps on the variable capacitors <strong>and</strong>, starting from<br />
the capacitor closest to the front panel of the receiver <strong>and</strong> moving back, tune the fi lter to its new<br />
frequency.<br />
MG-001 <strong>Daniels</strong> <strong>MT</strong>-<strong>4E</strong> <strong>Radio</strong> <strong>Systems</strong><br />
www.danelec.com<br />
Maintenance<br />
Guide