"A tone group consisting of zeroes for amplitude and frequency will be sent as a silent period"

http://ohnosec.org/drupal/node/96

73 Doug
WA3DSP
http://www.crompton.com/hamradio

From: kf7mbk@w7ara.net
Date: Wed, 28 Jan 2015 18:01:31 -0700
To: ars.w5omr@gmail.com
CC: app_rpt-users@ohnosec.org
Subject: Re: [App_rpt-users] Duplex / Telemetry / Courtesy Tone Question

What part didn't I get right? I suppose one could set the amplitude to 0. But a really loud zero hz tone is still silence.

Regards,
Mike Montalvo, KF7MBK
ARA Membership Chair
www.w7ara.org

On Wed, Jan 28, 2015 at 5:23 PM, Geoff <ars.w5omr@gmail.com> wrote:

On 01/28/2015 02:04 PM, Mike M wrote:

Some entries have hard coded defaults where if you leave it out, it will default to something else, so if you want a silent telem, make a telemetry tone that is silent and set it as the tone.

I think you'll need to set remotetx in [telemetry] to a silent tone. If you leave it out it will default to some hardcoded tone. I use

|t(0,0,10,2048) ; silent tone.

Uhm... not quite, Mike...

A tone group is a set of 4 comma separated integers formatted as follows:
(frequency1,frequency2,duration,amplitude)
frequency1 and frequency2 must be a number between 0 and 3000. These specify the tone frequency in Hz.
duration is the tone on time in Milliseconds. amplitude is the relative volume level of the tone or tones. This can be from 0 to 8192.
A tone group consisting of zeroes for amplitude and frequency will be sent as a silent period.
A single frequency tone can be sent by setting frequency2 to zero.
Note: There must be no spaces between the commas, numbers, or the parenthesis.

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