The reason for the high threshold is this to establish a “base” of a S9 signal.
Signals over S9 will trigger AGC while those below will not.
I stated this was for casual operation, with good conditions and strong signals.
73
Scott
-----Original Message-----
>From: Barry N1EU <barry.n1eu@gmail.com>
>Sent: Nov 9, 2011 6:18 PM
>To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>Subject: Re: [TenTec] Orion gain setting
>
>Just leave threshold at 1uV, always, and just lower RF Gain.
>Threshold is automatically set internally when you adjust RF Gain.
>
>Barry N1EU
>
>On Wed, Nov 9, 2011 at 11:08 PM, Scott Harwood <scotthsr@earthlink.net> wrote:
>> For general rag chewing, casual nets, etc. with good conditions try the
>> following:
>>
>> Hang 00.77
>> Decay 5 dB/s
>> Threshold 38.30
>> RF Gain 100
>>
>> Works well for me!
>>
>> Scott
>> K4VWK
>>
>>
>> -----Original Message-----
>>>From: Barry N1EU <barry.n1eu@gmail.com>
>>>Sent: Nov 9, 2011 6:26 AM
>>>To: Discussion of Ten-Tec Equipment <tentec@contesting.com>, Orion565
>>><orion565@yahoogroups.com>
>>>Subject: [TenTec] Orion gain setting
>>>
>>>On Wed, Nov 9, 2011 at 6:09 AM, Mark van Wijk <pa5mw@home.nl> wrote:
>>>
>>>> Use your RF Gain, never set it above 90. Ever. Not even on 10/12mtrs.
>>>>
>>>
>>>I'd probably never set it above 75. If you can hear band noise in the
>>>background, it's plenty high.
>>>
>>>Here's a 60-second method to gain adjustment:
>>>
>>>1. turn RF Gain to 100 and tune in an s9+ station.
>>>2. turn up AF Gain till it's VERY loud, but not painful. Leave the AF
>>>Gain setting at this level, always - don't touch it.
>>>3. turn down RF Gain till you can just hear band noise in the
>>>background - adjust as necessary when you change bands.
>>>
>>>This will provide very quiet reception with signals popping out of
>>>silence - maximal audio dynamic range and minimal AGC action,
>>>
>>>73, Barry N1EU
>>>_______________________________________________
>>>TenTec mailing list
>>>TenTec@contesting.com
>>>http://lists.contesting.com/mailman/listinfo/tentec
>>
>> _______________________________________________
>> TenTec mailing list
>> TenTec@contesting.com
>> http://lists.contesting.com/mailman/listinfo/tentec
>>
>_______________________________________________
>TenTec mailing list
>TenTec@contesting.com
>http://lists.contesting.com/mailman/listinfo/tentec
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|