Quick Tips

A very popular communications forum had a great article on optimizing the audio settings for your Astro25 radios. That forum is no longer running, so I thought I would take the opportunity to document the settings here. All AGC is enabled.  AGC Output is -3, total is 12.  Noise suppression enabled.  Attenuation level: Advanced. Of course, …

Motorola Astro25 Audio Settings Read More »

If you’re trying to interface an external accessory (like a Signalink) to a Motorola CDM via the rear 20-pin connector, and it’s not transmitting PL:  Go to “Radio Configuration,” then “Accessory,” then change “Data PTT Audio Source” to “Ext Mic Audio” – if it’s set to “Flat Tx Audio,” the radio will not send PL …

Motorola CDM – No PL/DPL on TX from External Accessory Connector Read More »