From b32e0ab6025a025850dc0079fa6596a96d7295a6 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Mon, 9 Oct 2017 20:49:14 +0200 Subject: Implementation of RX level squelch (for A-Netz and B-Netz) Use -S for setting RF level or use -S auto for auto level. When squelch closes, audio is muted. If squelch is closed for some seconds (depending on network), call is released. (RF loss condition) The previous loss detection has been removed --- docs/a-netz.html | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'docs/a-netz.html') diff --git a/docs/a-netz.html b/docs/a-netz.html index d91534c..b0bf9ee 100644 --- a/docs/a-netz.html +++ b/docs/a-netz.html @@ -259,6 +259,9 @@ Be sure that the phone turns off the transmitter and indicates the (green) light

Level adjustment: +

+ +

We see a receive level of around 140%. Then start the base station using '-l 2' option for loop-back and tune receiver to the transmitter. The base station generates a 1750 Hz test signal, just like the mobile phone. @@ -308,6 +311,9 @@ Be sure to check: Does your transmitter has enough frequency deviation (15 KHz i

Detecting loss of carrier signal: +

+ +

To automatically release the call, when the carrier signal gets lost, look at the B-Netz page. It is the same principle.

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