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TOPIC: EESDR3 - No MIcrophone Audio Following Update to Alpha 12

EESDR3 - No MIcrophone Audio Following Update to Alpha 12 01 Mar 2022 19:51 #1

  • N9PY
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I updated my MB-1 transceiver to EEDR3 alpha 12 today. It went smoothly and my settings file from alpha 11 imported without problem.
I like what I see! However, I have no audio output from Microphone 2. I have searched all settings and cannot identify a reason for this.
SSB modulation is normal using a receiver audio recording.
Microphone 2 is normal using EESDR2!
Anyone have an idea?

Tnx and 73,Torrey N9PY
Last Edit: 01 Mar 2022 20:25 by N9PY.
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EESDR3 - No MIcrophone Audio Following Update to Alpha 12 02 Mar 2022 11:06 #2

  • 2E0DWA
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I can confirm I am also having this issue when trying to use MIC2. I have confirmed that I am using latest firmware 78.8 and also I have selected MIC2 next to the TUNE slider and have slected MIC2 profile in audio settings. Clicking Tune does produce power and I see SWR readings. When I key the mic I can see audio is being modulated on the display (an I can monitor audio with monitor function) but there does not appear to be any output from the tranciever. As N9PY reports the same setup worked fine in EESDR2 earlier today.
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EESDR3 - No MIcrophone Audio Following Update to Alpha 12 02 Mar 2022 12:06 #3

  • N8SDR
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And your Drive Slider is past 25%
73 Rick
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EESDR3 - No MIcrophone Audio Following Update to Alpha 12 02 Mar 2022 14:46 #4

  • N9PY
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I totally missed the pull-down microphone menu on the right side of the TUNE slider. Thanks to you I found it and selected Mic 2. Microphone 2 output restored! Thanks!
Keying the microphone seemed to produce only about 10 watts output. However, increasing the DRIVE to about 55%brought the output to 50 watts. This is in keeping with the stated improved linearity of the DRIVE slider.

73 Torrey N9PY
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