Allen,
The way I read Bernie's question, he is asking about the thicker solid line
that is directly above the spectrum display. There is a "break" (it
becomes a thin line) in it just between the "0" and the next number (.6,
1.2, 2.5, 5, or 10 - depending on the sweep range) to the left.
I read it this way because Bernie says: "Immediately above the spectrum
sweep scope is a horizontal line on which the rectangles representing the
bandpasses for the main (left) and sub (right) receivers rest". The
rectangles don't "rest" on the the horizontal line(s) above the filter
bandwidth graphic; which you correctly defined in your response.
Personally, I don't know what the break in the bar represents; interesting
question, do you happen to know the answer?
Dick K8ZTT
----- Original Message -----
From: "Allan H. Kaplan" <w1ael@arrl.net>
To: <tentec@contesting.com>
Sent: Monday, January 22, 2007 6:14 PM
Subject: Re: [TenTec] ORION Display
The horizontal line above the filter bandwidth graphic represents the
bandwidth of the roofing filter in use at 9 MHz. The filter bandwidth
graphically represents the ultimate selectivity implemented by the
BANDWIDTH control in the DSP IF and the (wider) roofing filter gets
selected automatically based on the BW control. Hope this helps. 73,
Allan, W1AEL in Sevierville, TN.
----- Original Message -----
From: <K5XS@aol.com>
To: <tentec@contesting.com>
Sent: Saturday, January 20, 2007 8:14 AM
Subject: [TenTec] O-2 Screen Lines
> This is truly fun. I am figuring out the radio and trying to discover
> every
> little nook and cranny on it.
>
> One thing has me puzzled, and I can't find it in the manual.
>
> Immediately above the spectrum sweep scope is a horizontal line on
> which
> the
> rectangles representing the bandpasses for the main (left) and sub
> (right)
> receivers rest. The line has a break in it, and it is decidedly off
> center
> (to the lest a bit).
>
> Does that line represent something? Does the break represent
> something?
>
> Thanks
>
> Bernie K5XS
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