[TenTec] RE: slide rule dial- how to use?

[Steve N4LQ]

I remember the complex procedure when I was a novice and used an old NC-100 
receiver.
1. Turn tuning until you hear hams.
2. Call CQ there.

Steve N4LQ
----- Original Message ----- 
From: "Paul - W8KC" <w8kc at comcast.net>
To: <RVaill9858 at aol.com>
Cc: <tentec at contesting.com>
Sent: Tuesday, January 04, 2005 10:39 PM
Subject: [TenTec] RE: slide rule dial- how to use?


> It's not at all difficult to a generation brought up on digital displays I
> can see how an analog dial could be disturbingly foreign.  Just like an
> analog wristwatch or clock to someone used to digital clocks!
>
>
>
> Turn the BAND switch to 7.0...you are on 40 meters, if the pointer is all
> the way to the left, your rig is close to 7.000000 MHz the far end of the
> dial is 7.500000 MHz.  The dial scale with the red pointer is broken up 
> into
> 100 KHz segments, marked as 1, 2, 3, 4, and 5.
>
>
>
> Pop on the "CAL" or Calibrator knob, you may or may not hear beeping.
>
>
>
> CAREFULLY, tune the main tuning knob until you "zero beat" or "null" the
> beeping noise.  With any luck, you are now exactly on 7.000 MHz  -- even 
> if
> the silver ring around the tuning knob doesn't point to "0"
>
>
>
> Now, keep the beeping noise "nulled" hold the black center tuning knob
> firmly, and gently rotate the silver frequency ring until it DOES align 
> with
> " 0 " at the top.
>
>
>
> Shut off the calibrator.
>
>
>
>>From this point, it's incredibly easy.  Each mark on the silver ring is 1
> KHz.  There are larger marks every five KHz, and a number every 10 KHz.
>
>
>
> Rotate the main tuning knob until the number 10 is at the top.   You are 
> now
> tuned to 7.010 MHz
>
>
>
> Continue until the number 20 is at the top.  Now you are on 7.020 MHz
>
>
>
> Pull the Calibrator control out again and as you slowly tune up five marks
> on the dial, halfway between 20 and 30, you SHOULD find another frequency
> null.  There is one every 25 KHz!  Turn off the calibrator.  Notice that 
> the
> red dial pointer is about a quarter of the way between 0 and 1 on the 
> scale?
> Good.  If it's not, there is a little wheel on the underside of the rig,
> directly under the scale that allows you to gently move that pointer a
> little to line it up accurately.
>
>
>
> Continue up the band until the frequency ring is once again pointing to " 
> 0
> "   You are tuned close to 7.100 MHz.  Notice the red pointer should be at
> the ' 1 ' mark.  Also, if you pull the calibrator, you can once again find
> the null and fine-adjust the silver ring to point exactly to the 0.
>
>
>
> Does that help at all?
>
>
>
> 73! =paul= W8KC
>
> Collector of Ten*Tecs and other fine plastics.
>
> Visit the Virtual Ten*Tec Museum at http://mywebpages.comcast.net/w8kc
>
> Listen to 7.040 MHz from anywhere with Media Player v9
> http://www.w8kc.com/stream.asx
>
>
>
>  _____
>
> From: RVaill9858 at aol.com [mailto:RVaill9858 at aol.com]
> Sent: Tuesday, January 04, 2005 2:24 PM
> To: w8kc at comcast.net
> Subject: slide rule dial- how to use?
>
>
>
> I just purchased a Triton IV  with an analog slide rule dial.  I am 
> confused
> as to how to read the frequencies, I am also new at this so I would
> appreciate any help you may be able to give.
>
>
>
> 73 Ray N4EAT
>
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