Art, which version of the firmware are you using. The "secret menu"
does not seem to exist in v 1.373b5
73, de Mike, K9UW
Amherst, WI
On 1/6/2012 6:01 PM, art davis wrote:
> Hmmm...After re-flashing the firmware I find that the S-meter settings in the
> "secret menu" are unchanged from what I entered myself. If they are not
> loaded by the firmware where do they come from? Doesn't really matter though,
> the ones I entered work just fine.
> Out of curiosity it would interesting to know what the settings are in other
> Orions that have the S-Meter menu available (MENUS..RX..15M button)
> Beginning with S-zero my level settings are 0, 16, 27, 38, 46, 54, 62, 70,
> 78, 89, 99, 113, 130, 148, 171, and 198.
> Any others for comparison?
>
> From: n4uc@hotmail.com
> To: tentec@contesting.com
> Subject: RE: [TenTec] [english 100%] Re: Orion s-meter calibration
> Date: Fri, 6 Jan 2012 12:01:47 -0600
>
>
>
>
>
>
>
> I have sent a message to TT service asking that exact question. but haven't
> heard anything yet. But, I have been playing with it enough to know that
> there are several interrelated parameters involved.
> I decided to start by setting the one parameter which I could verify
> externally, the TX POWER. Setting the ALC SET pot to make the TX put out 100W
> and then adjust the meter pot to make the meter read 100 was my first step. I
> figured that would at least set the meter pot in the ballpark for both TX and
> RX.
> Next I went to the "secret" menu and set each level to the number of counts
> that made the meter read the corresponding signal strength. As it turns out,
> the S9+60 reading is achieved with a count setting of 198, not the max of 255
> that I had expected. If I redjust the meter pot so that 255 counts reads
> S9+60, then the TX POWER reading is off.
>
> Then there is the matter of the SWR reading displayed on the Orion. I assume
> that this reading is a calculation made by the Orion based on signals
> calibrated by the PWR and REF pots which also affect the reading displayed
> by the analog meter. I also assume that this calculated SWR is used to tell
> the auto tuner when it's done.
>
> I've done a lot of assuming in all of this but I feel there has to be a
> methodical procedure for calibration of all these pots and settings written
> down somewhere. But the fact that the pots are not labelled makes me think
> there is no reference to them in any service manual or other documentation
> that the user is intended to use. I'm pretty sure that mis-adjustment of any
> of the pots or settings will not result in damage to the radio. With the
> exception of the auto-tuner function, I feel that they just affect readings
> displayed on the front panel, but that is my opinion and worth what you paid
> for it!.
>
> One thing I haven't done yet is to reload the firmware and adjust everything
> starting with factory settings of S-meter levels.
>
> Sounds like a good project for after lunch!
>
>
>> Date: Fri, 6 Jan 2012 15:56:54 +0000
>> From: barry.n1eu@gmail.com
>> To: tentec@contesting.com
>> Subject: Re: [TenTec] [english 100%] Re: Orion s-meter calibration
>>
>> It sounds like a few folks have figured out the full s-meter
>> calibration routine, which presumably involves adjusting the hardware
>> pot and the hidden menu values. But I've only seen bits and pieces of
>> what's involved.
>>
>> Can someone who has been successful please post clear and
>> comprehensive directions?
>>
>> Thanks& 73,
>> Barry N1EU
>>
>> On Fri, Jan 6, 2012 at 3:52 PM, art davis<n4uc@hotmail.com> wrote:
>>> I assume O2 would be the same circuitry, but not sure. The pot that Holger
>>> describes is directly above the AUDIO button on the top of the front panel
>>> on the 565. It's wasn't labelled before, but it is now! And thanks to
>>> Holger I now have a fully functional S-meter calibrated to the correct
>>> values defined in the settings list.
>>>
>>> Thank you Holger!
>>>
>>> Art Davis
>>> N4UC
>>>
>>>> To: tentec@contesting.com
>>>> From: kc9cdt@aol.com
>>>> Date: Fri, 6 Jan 2012 10:27:30 -0500
>>>> Subject: Re: [TenTec] [english 100%] Re: Orion s-meter calibration
>>>>
>>>> What about for Orion II??
>>>> 73,
>>>> Lee
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Holger Göckritz<dj8hb@kcag.de>
>>>> To: Discussion of Ten-Tec Equipment<tentec@contesting.com>
>>>> Sent: Fri, Jan 6, 2012 2:58 am
>>>> Subject: Re: [TenTec] [english 100%] Re: Orion s-meter calibration
>>>>
>>>>
>>>> Hello
>>>> About S-Meter-Calibration for Orion 565.
>>>> Use the Potmeter at the Frontplate up and near the S-Meter, make with a
>>>> small screwdriver the adjustment to get the maximum Number 255 with
>>>> the
>>>> MULTI- Knop for S9 plus 60dB.
>>>> Be carefull about the Settings of S1 Value, S1 is the startingpoint for
>>>> the
>>>> S-meter.
>>>> I thing it is for PREAMP- Button on ,but i have it done with PREAMP off
>>>> and
>>>> for adjusting the S-Meter with a generator use for example S9 the S8
>>>> Value
>>>> and so on one down!
>>>> 73
>>>> DJ8HB
>>>> eof
>>>>
>>>> ----- Original Message -----
>>>> From: "art davis"<n4uc@hotmail.com>
>>>> To: "TenTec reflector"<tentec@contesting.com>
>>>> Sent: Thursday, January 05, 2012 9:00 PM
>>>> Subject: [english 100%] Re: [TenTec] Orion s-meter calibration
>>>>
>>>>
>>>>> I assume that the default settings are defined in the firmware, but
>>>> in my
>>>>> case they do not correspond to the actual meter readings for each
>>>> step. In
>>>>> my case, they are much stingier. When I set each one to correspond to
>>>> the
>>>>> meter, then it way too generous. Also, the maximum count of 255 only
>>>>> drives the meter to S9+30 or so. Same on TX, full power output
>>>> deflects
>>>>> the meter to only about 70, or about the same place as the max
>>>> receive
>>>>> level. Methinks there is something afoul in the meter circuitry.
>>>>> Is there perhaps a hardware adjustment for calibrating the meter
>>>> movement
>>>>> somewhere?
>>>>> Any suggestions?
>>>>> N4UC
>>>>>
>>>>>> Date: Sat, 31 Dec 2011 22:13:32 +0000
>>>>>> From: barry.n1eu@gmail.com
>>>>>> To: tentec@contesting.com
>>>>>> Subject: Re: [TenTec] Orion s-meter calibration
>>>>>>
>>>>>> Tom, it came up a while back on the reflector. My memory ain't what
>>>>>> it used to be, although it probably never was what it used to be ;-)
>>>>>>
>>>>>> 73& Happy New Year to all,
>>>>>> Barry N1EU
>>>>>>
>>>>>> On Sat, Dec 31, 2011 at 9:54 PM, Tom Berry<tberry1@triad.rr.com>
>>>> wrote:
>>>>>>> Thanks Barry. OK on not recommending that anybody change them.
>>>>>>> I'm curious as to how AL7CR knew that feature was there..
>>>>>>>
>>>>>>> 73 Tom AA4VV
>>>>>>>
>>>>>>>
>>>>>>> On 12/31/2011 4:48 PM, Barry N1EU wrote:
>>>>>>>> I've never seen a description of what those values mean. I just
>>>>>>>> played with them until the Orion s-meter responded similarly to a
>>>>>>>> known good receiver's s-meter. I can't really recommend that
>>>> anybody
>>>>>>>> else changes those values.
>>>>>>>>
>>>>>>>> Barry N1EU
>>>>>>>>
>>>>>>>> On Sat, Dec 31, 2011 at 9:17 PM, Tom Berry<tberry1@triad.rr.com>
>>>>>>>> wrote:
>>>>>>>>> Let me see if I understand this function. I would select an S
>>>> meter
>>>>>>>>> value (say S9) then change the digital count so that the S meter
>>>>>>>>> reads
>>>>>>>>> S9. Is that correct?
>>>>>>>>>
>>>>>>>>> 73 Tom AA4VV
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 12/31/2011 3:48 PM, Barry N1EU wrote:
>>>>>>>>>> Thanks - it's uncharted territory in there but I think I
>>>> managed to
>>>>>>>>>> improve things. I was careful to record the original values
>>>> before
>>>>>>>>>> mucking around.
>>>>>>>>>>
>>>>>>>>>> 73, Barry N1EU
>>>>>>>>>>
>>>>>>>>>> On Sat, Dec 31, 2011 at 7:18 PM, AL7CR<al7cr@punakea.com>
>>>> wrote:
>>>>>>>>>>> Go to the RX menu and press the 15m band select key. This
>>>> will
>>>>>>>>>>> bring up
>>>>>>>>>>> a screen that allows you set the S meter in digital counts.
>>>>>>>>>>>
>>>>>>>>>>> AL7CR
>>>>>>>>>>>
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