[App_rpt-users] USB Radio Commands
telesistant at hotmail.com
Tue Oct 9 21:16:37 EDT 2012
It is one of those 'it really has no good reason to ever be used' options, and I have no idea why someone wanted it,
but it was harmless and utterly trivial to add, so I did. It, along with a few others of those were never documented
to discourage their (quite questionable) use.
From: w7ry at centurytel.net
To: app_rpt-users at ohnosec.org
Date: Tue, 9 Oct 2012 18:05:25 -0700
Subject: [App_rpt-users] USB Radio Commands
So if this setting txprelim=no is:
TX audio processing. Options: (no,yes). Choosing yes turns on
preemphasis and peak limiting, along with a lowpass filter. The yes
is used when driving an FM transmitter directly by injecting audio right
the modulator. The no option provides audio which should be injected
the microphone input of the transmitter or at some point in the
speech amplifier before preemphasis,
What is the setting?
Nothing in the manual about it.
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