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<DIV>Goerge, if you take a look at the receiver part of the mrs 2000 you will
see that it connect to the back plane by a connector, those connection then goes
to various part of the repeater for filtering and tone detection on vairous
different cards.. I take the audio signal directly from pin 5 of the receiver
board. I dont see any filtering on the reciver board. In fact from the
service manual that you can find here (for the vhf receiver) <A
href="http://www.repeater-builder.com/motorola/msr2000/pdfs/vhf-msr2000-receiver.pdf"><FONT
face="Times New Roman">http://www.repeater-builder.com/motorola/msr2000/pdfs/vhf-msr2000-receiver.pdf</FONT></A></DIV>
<DIV> </DIV>
<DIV>on page 7 there is a block diagram of the receiver and we can easily see
that there is no audio limitting and or filtering at all on the board. Nad
the leevl that I can see on my scope is pretty close to 250 mv as stated on the
service manual..</DIV>
<DIV> </DIV>
<DIV>I think that the trouble is with my settings..</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>I am working on the 28739 node.</DIV>
<DIV> </DIV>
<DIV>here is my usbradio.conf file</DIV>
<DIV> </DIV>
<DIV>[general]</DIV>
<DIV> </DIV>
<DIV>[usb27821]</DIV>
<DIV> </DIV>
<DIV>hdwtype=0</DIV>
<DIV>rxboost=1</DIV>
<DIV>txboost=1</DIV>
<DIV>rxctcssrelax=1</DIV>
<DIV>txctcssdefault=103.5</DIV>
<DIV>rxctcssfreqs=103.5</DIV>
<DIV>txctcssfreqs=103.5</DIV>
<DIV>;rxctcssoverride=0</DIV>
<DIV>carrierfrom=dsp</DIV>
<DIV>ctcssfrom=dsp</DIV>
<DIV>rxdemod=flat</DIV>
<DIV>txprelim=yes</DIV>
<DIV>txlimonly=no</DIV>
<DIV>txtoctype=no</DIV>
<DIV>txmixa=composite</DIV>
<DIV>txmixb=composite</DIV>
<DIV>invertptt=0</DIV>
<DIV>duplex=0</DIV>
<DIV>rxondelay=1</DIV>
<DIV>rxnoisefiltype=0</DIV>
<DIV>eeprom=1</DIV>
<DIV> </DIV>
<DIV>[usb28739]</DIV>
<DIV> </DIV>
<DIV>hdwtype=0</DIV>
<DIV>rxboost=0</DIV>
<DIV>txboost=0</DIV>
<DIV>rxctcssrelax=0</DIV>
<DIV>txctcssdefault=103.5</DIV>
<DIV>rxctcssfreqs=103.5</DIV>
<DIV>txctcssfreqs=103.5</DIV>
<DIV>;rxctcssoverride=0</DIV>
<DIV>carrierfrom=dsp</DIV>
<DIV>ctcssfrom=dsp</DIV>
<DIV>rxdemod=flat</DIV>
<DIV>txprelim=yes</DIV>
<DIV>txlimonly=no</DIV>
<DIV>txtoctype=no</DIV>
<DIV>txmixa=composite</DIV>
<DIV>txmixb=composite</DIV>
<DIV>invertptt=0</DIV>
<DIV>duplex=1</DIV>
<DIV>rxondelay=0</DIV>
<DIV>rxnoisefiltype=1</DIV>
<DIV>eeprom=1</DIV>
<DIV
style="FONT-STYLE: normal; DISPLAY: inline; FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: small; FONT-WEIGHT: normal; TEXT-DECORATION: none">
<DIV style="FONT: 10pt tahoma">
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV><FONT size=3 face=Calibri>I did not touch the 27821 one since I put it down
to use one main controler not a machine connected to port 3 of our rc210, so I
know its not ok..</FONT></DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV><FONT size=3 face=Calibri>when i try to tune the base
noise....</FONT></DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV>ve2mrc*CLI> radio active usb28739</DIV>
<DIV>Active (command) USB Radio device set to [usb28739]</DIV>
<DIV>ve2mrc*CLI> radio tune rxnoise</DIV>
<DIV>tune rxnoise maxtries=12, target=27000, tolerance=2750</DIV>
<DIV>tries=0, setting=2, meas=1754</DIV>
<DIV>tries=1, setting=16, meas=16505</DIV>
<DIV>tries=2, setting=16, meas=17517</DIV>
<DIV>tries=3, setting=16, meas=15942</DIV>
<DIV>tries=4, setting=16, meas=15816</DIV>
<DIV>tries=5, setting=16, meas=16604</DIV>
<DIV>tries=6, setting=16, meas=17943</DIV>
<DIV>tries=7, setting=16, meas=17805</DIV>
<DIV>tries=8, setting=16, meas=15489</DIV>
<DIV>tries=9, setting=16, meas=18234</DIV>
<DIV>tries=10, setting=16, meas=16747</DIV>
<DIV>tries=11, setting=16, meas=17647</DIV>
<DIV>DONE tries=12, setting=1000, meas=17647, sqnoise=5040</DIV>
<DIV>ERROR: RX INPUT ADJUST FAILED.</DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV><FONT size=3 face=Calibri>then I set rxtone and rx voice. but I have a long
tail of noise (about 500 ms) before it stop then I have no sound and the
courtesy tone..</FONT></DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV><FONT size=3 face=Calibri>I never saved my settings before making test,
would that be the problem? do i need to save the settings every time I adjust
the system so that the settings are used in my test?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV><FONT size=3 face=Calibri></FONT> </DIV>
<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><B>From:</B> <A title=george@dyb.com
href="mailto:george@dyb.com">George Csahanin</A> </DIV>
<DIV><B>Sent:</B> Friday, March 29, 2013 2:33 AM</DIV>
<DIV><B>To:</B> <A title=petem001@hotmail.com
href="mailto:petem001@hotmail.com">Pierre Martel</A> </DIV>
<DIV><B>Subject:</B> Re: [App_rpt-users] Something is rotten in the state of
Denmark</DIV></DIV></DIV>
<DIV> </DIV></DIV>
<DIV
style="FONT-STYLE: normal; DISPLAY: inline; FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: small; FONT-WEIGHT: normal; TEXT-DECORATION: none">
<DIV><FONT size=2 face=Arial>Pierre, are you sure that you are getting wideband
noise to the usb device? Before de-emphasis? I am looking at a manual for a
MSR2000 and it shows a "variable gain amplifier (U1) which feeds the squalch
detector, but alsdo feeds a low pass filter on its way to the noise gate and
also feeds a de-emphasis network (U2). Any audio after that cannot have enough
hi frequency component to make the setup for tune rxnoise work properly, which
will not let the squelch work properly. The long squelch tail you refer to is
usbradio not having its squelch set properly. And that cannot be done without
wide band noise in. The result would never have enough hi freq noise at the uri
to actually squelch the radio. What is eventually kmuting it is the end of input
PL tone...</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Just my thoughts, but I have never had my hands on
a MSR2000. I own one, just haven't received it yet. </FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>GeorgeC</FONT></DIV>
<DIV><FONT size=2 face=Arial>W2DB</FONT></DIV>
<DIV><FONT size=2 face=Arial>2360</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"
dir=ltr>
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=petem001@hotmail.com href="mailto:petem001@hotmail.com">Pierre
Martel</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=app_rpt-users@ohnosec.org
href="mailto:app_rpt-users@ohnosec.org">APP RPT</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, March 27, 2013 9:38
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [App_rpt-users] Something is
rotten in the state of Denmark</DIV>
<DIV> </DIV>
<DIV dir=ltr>
<DIV style="FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: 12pt">
<DIV>Got that phrase in the head, and could not find a good title for the mail
;-)</DIV>
<DIV> </DIV>
<DIV>Ok Here I am again.</DIV>
<DIV> </DIV>
<DIV>Still with my project to have a full App_rpt controler for my 2 repeater
system.</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>I manage to have our msr 2000 in the shack today cause the exiter is
giving us some trouble.</DIV>
<DIV> </DIV>
<DIV>so I said, lets fix the exiter AND plug in the URI so that I wont have to
do this on site.</DIV>
<DIV> </DIV>
<DIV>exiter is ok, well for now...</DIV>
<DIV> </DIV>
<DIV>So I connect the URI pin 22 (mic AC) to pin 5 of the receiver inside the
msr2000, why 22 there is a big dc bias at this place so uning the mic dc would
nt be wise, I beleive..</DIV>
<DIV> </DIV>
<DIV>now I go to the computer set active radio usb 28739</DIV>
<DIV> </DIV>
<DIV>now I do radio tune rxnoise.. It fail.</DIV>
<DIV> </DIV>
<DIV>there is at leat 200 mv of audio there. changed rxboosst in usbradio.conf
for that node, reload, no difference.</DIV>
<DIV> </DIV>
<DIV>still did the radio tune rxvoice and rxtone.</DIV>
<DIV> </DIV>
<DIV>then tested without saving , I have a big white noise at the end of every
receiption before the coutesy tone..</DIV>
<DIV> </DIV>
<DIV>what Am I doing wrong?</DIV>
<DIV> </DIV>
<DIV> </DIV></DIV></DIV></BLOCKQUOTE></DIV></DIV></DIV></BODY></HTML>