Thank you so much Bob...
It shows VER 1035-588
Thanks so much for showing me the settings. I will comp[are to mine and salso
give a
thorough listen to the CW note on rcv after this rest. So far it has sounded
better to me.
Bry, AF4K
On 9 Jul 2014 at 10:05, Bob McGraw - K4TAX wrote:
>
> Brian: This is a bit long, so take some time to study this before you start
> turning knobs and
> punching buttons.
>
>
> Start with a Master Reset. You don't know what is actually resident from
> previous usage. Also,
> the current firmware version 1.036 addresses some AGC issues that exist in
> earlier versions. To
> see your version of firmware, press and hold the A=B button at the top right.
> The version will be
> displayed at the top left as VER x.xxx 588 RADIO.
>
> As to background noise the receiver is very quiet and not like of other
> receivers that have a good
> bit of internal generated noise.
>
> There is no way to "turn the DSP off" as someone posted. Perhaps they were
> referring to the NR
> or NB functions. These are controlled by the buttons at the bottom and
> clearly say OFF when
> such. Otherwise there is some numeric value from 1 - 9 with 1 being less and
> 9 being most active
> for the function.
>
> I find the NB should only be used when repetitive pulse noise is present.
> Noise like the tick tick
> tick from an electric fence or ignition noise from a vehicle. The NR values
> will need to change as
> needed between bandwidth and mode and AGC settings. Typically for SSB I use
> values of 1 to
> 3. For AM I use higher values. Again this is somewhat dependant on band noise
> and mode.
>
> On AGC, for SSB I use SLW or MED and for digital modes or CW I use MED or FST.
>
> Regarding MENU values, for your thoughts, here are my most current ones:
> {Sitting here thisevening on 75M SSB, rag chew mode, here's what's in the
> radio. The antenna is
> a 75M coax fed dipole.}
>
> Front Panel settings:
>
> PBT = 0000
> BW = 2800
> RF Gain = 35%
> AF Gain = 30% {using external speaker}
> AGC = SLW
> NR = 3
> AN = OFF
> MIC = 35%
> ATTN = OFF
> PRE = OFF
> MON = 0%
> NCH = OFF
> NB = OFF
> SP = ON {value is 35%}
> VOX = OFF
>
> From the MENU:
>
> Auto Tuner = ON {internal tuner is installed}
> TX Meter = SWR
> Transmitter = ON
> SSB TX BW = 2600
> TX Roll Off = 100 Hz
> Keying Loop = ON {I use my Centurion Amp}
> Audio Source = MIC
> Line Gain = 50% {I use a TT 712 USB interface for PSK-31}
> EXT T/R Delay = 0%
> FM TX CTCSS = OFF
> RX Equalizer = 0dB
> TX Equalizer = 0dB {I use the TT 709A microphone}
> Recall Sub = OFF
> Sidetone Frq = 700Hz
> Sidetone Vol = 2% {works for speaker, needs more for headphones}
> Spot Volume = 50%
> CW QSK Delay = 0%
> CW Weighting = 10%
> CW Keyer = Mode A
> CW Rise/Fall = 5ms
> Auto Sweep = ON
> Sweep Range = 30K
> VOX Trip = 85% {will depend on hardware mike gain setting}
> Anti-VOX = 7%
> VOX Hang = 15%
> FSK TX Data = Mark High
> Remote F1 = Step
> Remote F2 = Mode
> Remote F3 = Rev
> Remote Enc = VFO A
> POD Encode Rate = Slow
> VFO Encode Rate = Fast
> RIT Encode Rate = Slow
> VFO SPDShift = ON
> Display = 30%
> Speech Proc = 35%
> I-F Filter = AUTO
> Enable 300 Hz = Yes
> Enable 500 Hz = Yes
> Serial IF = Omni VII
> Regarding the use of the Speech Processor, here are my measurements:
>
> I did find is the following data andthe actual SP values vs. power output. It
> is noted that in
> between the steps there is no power change. Case and point, at values between
> 18% and 28%
> the power remained at 2.0 watts. Between 28% and 29% the power changed from
> 2.0 W to 3.5
> W. The same held true for other increment of steps. Back some time ago, John
> Henry confirmed
> that there are actually 9 steps in the Speech Processor control algorithm.
>
> Power output = 2 W with SP off
> With the SP on the following is observed:
> 0%= 0.75W or - 4.3 dB
> 7% = 1.0W or - 3 dB
> 18% = 2.0W or 0.0 dB
> 29% = 3.5W or + 2.4 dB
> 39% = 6.7W or + 5.3 dB
> 50% = 15W or + 8.8 dB
> 62% = 40W or + 13.0 dB
> 73% = 70W or + 15.4 dB ALC is now on and no further increase in SP gain
> produced any
> increase in output power
>
> This does concur that the effective SP value should be about 40% to 50% to
> attain some 6 to 8 dB
> of increase in output power.
>
>
>
> In conclusion, I suggest you spend some goodly amount of time reading the
> manual. Cover to
> cover several times. This radio does not and will not operate nor perform
> like other radios you
> have had on your desk. Don't expect it to, nor try to operate it like the
> Omni VI or others, it won't.
> However, once you learn to use the radio and its features and functions, you
> will discover it does
> easily outperform the others.
>
> 73
> Bob, K4TAX
>
>
>
>
>
>
> ----- Original Message -----
> From: <bcarling@cfl.rr.com>
> To: "Walt K8CV" <waltk8cv@wowway.com>; <tentec@contesting.com>
> Sent: Wednesday, July 09, 2014 7:06 AM
> Subject: Re: [TenTec] Urgent OMNI VII Question
>
>
> > Thanks Walt. I don't know how to turn the DSP off yet - or down.
> >
> > Hopefully a reset won't be necessary. I tried adjusting the NB and it did
> > not help.
> >
> > On 9 Jul 2014 at 0:18, Walt K8CV wrote:
> >
> >> Try turning the DSP off or to 1. Check that NB is off or 1. Turn off the
> >> preamp! Maybe do a
> complete reset?
> >
> >
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
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