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TROUBLESHOOTING WORKSHOP

DMR stays silent?

Check channel, RF link and network separately — through a repeater or your own Pi-Star hotspot.

For DMR with AnyTone and Pi-Star. Obtain repeater parameters from its operator. Make short transmit tests only when authorised, on a permitted, clear frequency.

YOUR NEXT USEFUL TEST

Check destination and receive selection together

RF, network and call destination do different jobs. The right signal may arrive while receive selection excludes its audio.

  1. Open the channel actually selected: check TX contact/talkgroup and call type. The desired receive group must match the radio’s receive configuration; creating an RX list without assigning it does not help.
  2. On the network, check this talkgroup’s mapping to slot and access point. Static/dynamic rules depend on the network; do not assume a universal timeout or talkgroup number.

What to look for next

Compare again with the same station. Intelligible audio verifies more than displayed metadata.

Related learning & practice

Technical sources for this check

Background and model-specific guidance; the check sequence is editorial. Match menu names against your own model’s manual.

Show check record
HB3YAQ · Check record: DMR stays silent?
Your answers; no automatic measurement.

1. Which access path are you using?
→ My Pi-Star hotspot
2. Does Pi-Star see your own RF input?
→ Yes, my transmission appears
3. Is the DMR network connection actually logged in?
→ Yes, the DMR master is connected
4. Do the talkgroup and receive selection match?
→ No, or I am unsure about the mapping

Check destination and receive selection together
RF, network and call destination do different jobs. The right signal may arrive while receive selection excludes its audio.
1. Open the channel actually selected: check TX contact/talkgroup and call type. The desired receive group must match the radio’s receive configuration; creating an RX list without assigning it does not help.
2. On the network, check this talkgroup’s mapping to slot and access point. Static/dynamic rules depend on the network; do not assume a universal timeout or talkgroup number.
Compare again with the same station. Intelligible audio verifies more than displayed metadata.

AnyTone AT-D168UV · User manual (CQ Radios): https://cqradios.com/documents/AT-D168UV-USER-MANUAL.pdf
Pi-Star · Project documentation: https://www.pistar.uk/

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