Punching the keypad buttons on an XTS or ASTRO Spectra will send DTMF when you operate in the old legacy analog FM mode. However, in the IMBE P25 digital mode, punching the keypad results in encoded data being sent.
The DIU 3000 will decode these data bursts, and convert them into analog DTMF at the "Patch" jack on the back of the DIU (where it interfaces to the MRTI phone patch).
Does anyone know if the Uniden APCO scanmner (when equipped with the APCO digital card) will decode this data, and convert it into analog DTMF?
Larry
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This forum is dedicated to discussions pertaining specifically to the Motorola ASTRO line of radios (those that use VSELP/IMBE/AMBE), including using digital modulation, digital programming, FlashPort upgrades, etc. If you have general questions please use the General or Programming forums.
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