Martin,
Thanks for explaining how the Orion does it!
I'm in the "dark ages" here with a 20 year old Corsair II. Press the "spot"
button and it pulls the carrier insertion oscillator to the freq it'll be on
when you go to CW Tx. Simple, but very effective :)
73,
Steve
----- Original Message -----
From: Martin AA6E
To: Discussion of Ten-Tec Equipment
Sent: Sunday, October 29, 2006 10:25 PM
Subject: Re: [TenTec] UCW and LCW
Steve Hunt wrote:
> John,
>
> I'm not an Orion owner, but if it's the same as most other rigs .....
>
> When switched to UCW the receiver will pick up CW signals that are higher
than the displayed frequency
> When switched to LCW the receiver will pick up signals that are lower than
the displayed frequency
>
> So using your example, when you're tuned to 7019 UCW you can hear signals
at 7020 because they're higher. If you tune to 7021 and select LCW you'll hear
the same signal because it's now lower.
>
> I think I'm saying the same as everyone else but in a slightly different
way :)
>
> Hope this helps,
> .
> 73,
> Steve G3TXQ
Yes for some radios, but not the Orion. The Orion "dial" frequency is
the center of the passband for LCW or UCW if PBT=0. An incoming signal
at that freq. produces a tone at the sidetone/spot freq., e.g., 700 Hz.
The difference between LCW and UCW is what happens when you tune off
frequency, say up by 100 Hz. For LCW, the audio tone will go up (like
tuning an LSB voice signal). For UCW, the tone goes down (like USB voice).
I have never seen the need for both LCW and UCW. I always use LCW
myself. Just personal preference.
73 Martin AA6E
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