I suggest configuring the DSP-59 to a different input Z via the jumper
blocks internally and feed it from the Line Out on the back of the radio.
Then the AF gain can be used for the headphone without changing the level
going to the DSP-59.
73
Bob, K4TAX
----- Original Message -----
From: "Gary Tuck" <gtuck@mac.com>
To: "Ten Tec Mailing List" <tentec@contesting.com>
Sent: Monday, February 04, 2008 9:20 PM
Subject: Re: [TenTec] ORION II CW pile up readability related question
>I feed the audio thru a Timewave DSP-59+ and an external speaker with
> a built in headphone jack (SP-230). This allows a separate AF volume
> control and narrow DSP audio filtering if necessary--it seldom is. In
> this configuration, I have the AF set at 54%, because I feed the
> filter from the speaker jack in the rear of the rig. If I have the
> headphones plugged into the VII's front panel jack, the AF is down
> about 2%. Either my ears or my headphones are very sensitive and
> anything above that hurts. I always use headphones.
>
> I use the PRE on 17m and above and often on 20m. I turn down the RF
> gain until the background noise is at a low level so that it's not
> tiring to listen. This may be anywhere between 50-90% depending upon
> condx. If a weak signal appears while tuning, I tweak the RF gain to
> see if I can improve the S/N ratio. Sometimes I can. I've not found
> an occasion where using the ATTN helps. Very occasionally, engaging
> the NR helps in comfortably copying a signal. At times the NB helps,
> especially with the Chinese ORH radar.
>
> I use AGC medium on CW. On occasion, I've used FAST with the RF gain
> turned way down if it helps readability.
>
> Gary - W7TEA
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