[App_rpt-users] Using a Master II

[Corey Dean N3FE]

Thanks Jon.  I wasn't aware of the roll off.  I will try tapping off the Volume/SQCH high tonight and see how that goes!

Corey  N3FE

From: app_rpt-users-bounces at qrvc.com [mailto:app_rpt-users-bounces at qrvc.com] On Behalf Of Jon Rorke
Sent: Wednesday, October 06, 2010 9:53 AM
To: APP_RPT_Users
Subject: Re: [App_rpt-users] Using a Master II

I think the audio out lines on the back plane are de-emphasized or flat to 3k then it rolls off. Either way In this case that is not what you want. If you were connecting to a hardware controller and using the cas/RX mute then it works just fine.
In the case of using DSP squelch and DSP L decode by the fob/ URI it must be connected to the Discriminator.  You could also set your node to speaker out instead of flat and use the USB for the cas connection.  That should work too.

I personally like using the DSP Squelch and DSP tone as it is very quick - no squelch busts! That is... if you have the RX squelch set right. ;-)

Jon

On 10/6/2010 9:19 AM, Corey Dean N3FE wrote:
This is making some sense now.  I did pull off the back plane but I never traced it back to see where exactly it was coming from.  Many moons ago I followed the Scom 7k to Master II hookup info.  I have always just used that same spot on all other controllers in the past without an issue and excellent audio.  I will give that a try tonight.  I know what pin you are referring to.  It would be the same pin that you would use in a mobile conversion and it is also available where the stock PL board would plug in.

Thanks and I will give it a try this evening!

Corey

From: app_rpt-users-bounces at qrvc.com<mailto:app_rpt-users-bounces at qrvc.com> [mailto:app_rpt-users-bounces at qrvc.com] On Behalf Of Jon Rorke
Sent: Wednesday, October 06, 2010 8:35 AM
To: APP_RPT_Users
Subject: Re: [App_rpt-users] Using a Master II

I have set up a Master II repeater station in full duplex mode using a URI for dsp squelch and dsp pl decode and it works just fine. The main thing is to connect it to the volume/squelch hi (raw discriminator) or you will have problems. The master II should be able to give you 1V p-p output with 1k tone @ 3k dev on the volumw/squelch hi which is not available on the back plane. You have to pull it off one of the connectors on the drawer. Have to check my notes on what pin.

Any way I have a couple of units working in this manner with no problems.

Jon VA3RQ

On 10/6/2010 7:46 AM, Corey Dean N3FE wrote:
So I have been using a GE Master II repeater (actual repeater, not a converted mobile) for the allstar node in full duplex repeater mode.  I noticed it just doesn't dig too well when using the fob to decode the PL.  I have a maxtrac on another fob and that will dig into the noise great.  As a test I hooked up a ts32 and ran the output of that in the CAS/COR on the fob and it worked great!  I want to try to get the built in decoder working correctly though.  Another friend of mine is also running a GE Master II and he is having the same problem.  When we run the rxnoise level from either the radio-tune-menu or using the radio tune command from asterisk it always fails.  Anyone have any suggestions on a way to resolve this?   I have another use for my hardware pl decoder so I would like to get the USB Frob working correctly!!!!


Corey  N3FE





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