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DSD demod: updated documentation and Debian changelog

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f4exb 2018-04-01 23:49:26 +02:00
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6 changed files with 37 additions and 6 deletions
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debian/changelog vendored
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@ -3,6 +3,7 @@ sdrangel (3.14.1-1) unstable; urgency=medium
* NFM: fixed lowpass filter initialization (CTCSS)
* DSD demod: set FM deviation independent from RF bandwidth
* DSD demod: implemented DMR negative with DSDcc v1.7.5
* DSD demod: implemented dialog to view the log of status text messages
-- Edouard Griffiths, F4EXB <f4exb06@gmail.com> Sun, 01 Apr 2018 12:14:18 +0200

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plugins/channelrx/demoddsd/readme.md
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@ -68,31 +68,61 @@ Total power in dB relative to a +/- 1.0 amplitude signal received in the pass ba
<h4>A.4: Channel power bar graph</h4>
<h4>A.5: Audio volume</h4>
<h4>A.5: Activate status text log</h4>
Check to send the status text lines (A.12) to the log. Uncheck to dismiss sending.
<h4>A.6 View status text log</h4>
Click to open a dialog to view the status text lines log:
![DSD Demodulator status text log GUI](../../../doc/img/DSDdemod_plugin_status_text_log.png)
<h5>A.6.1 Clear log</h5>
Push this button to clear the log
<h5>A.6.2 Pin to last line</h5>
Use this toggle to pin or unpin the log to the last line
<h5>A.6.3 Save log to file</h5>
Save the present log content to a file
<h5>A.6.4 Timestamp</h5>
Each line in the log starts with the timestamp when the status line was fetched from the decoder
<h5>A.6.5 Status text</h5>
One line per status text
<h4>A.7: Audio volume</h4>
When working with mbelib this is a linear multiplication factor. A value of zero triggers the auto gain feature.
With the DV serial device(s) amplification factor in dB is given by `(value - 3.0)*5.0`. In most practical cases the middle value of 5.0 (+10 dB) is a comfortable level.
<h4>A.6: Squelch level</h4>
<h4>A.8: Squelch level</h4>
The level corresponds to the channel power above which the squelch gate opens.
<h4>A.7: Squelch time gate</h4>
<h4>A.9: Squelch time gate</h4>
Number of milliseconds following squelch gate opening after which the signal is actually fed to the decoder. 0 means no delay i.e. immediate feed.
<h4>A.8: High-pass filter for audio</h4>
<h4>A.10: High-pass filter for audio</h4>
Use this switch to toggle high-pass filter on the audio
<h4>A.9: Audio mute, squelch indicator and select audio output device</h4>
<h4>A.11: Audio mute, squelch indicator and select audio output device</h4>
Left click to mute/unmute audio. This button lights in green when the squelch opens.
If you right click on it it will open a dialog to select the audio output device. See [audio management documentation](../../../sdrgui/audio.md) for details.
<h3>A.11: Format specific status display</h3>
<h3>A.12: Format specific status display</h3>
When the display is active the background turns from the surrounding gray color to dark green. It shows informatory or status messages that are particular to each format.