Fwd: Re: [MFJ-Ameritron] Help With MFJ 812b Meter

[Steve Holm]

--- Steve Holm <homer559 at yahoo.com> wrote:

> Date: Mon, 1 Nov 2004 16:36:18 -0800 (PST)
> From: Steve Holm <homer559 at yahoo.com>
> Subject: Re: [MFJ-Ameritron] Help With MFJ 812b
> Meter
> To: "Duane Fischer, W8DBF" <dfischer at usol.com>
> 
> Hello, 
> This link will give you the manual as a Adobe
> (Acrobat
> reader) file,
> 
> http://www.hy-gain.com/man/mfjpdf/MFJ-812B.pdf
> 
>  hopefully it will load if not go to :
> 
>
http://www.adobe.com/products/acrobat/readermain.html
> 
> for the free software.
> 
> 
> If you re-read your message below I have added
> comments in caps by your questions.
> 
> 73 and good luck !
> 
> Steve  kc8axj at arrl.net
> 
> 
> 
> --- "Duane Fischer, W8DBF" <dfischer at usol.com>
> wrote:
> 
> > 
> > 	
> > Hi All, 		
> > 	
> > I am totally blind. i have a MFJ 812B meter. I was
> > told it measures both forward
> > power, either on a 30 or 300 watt scale, as well
> as
> > reflected power. No peak
> > reading.	
> 	
> > There is a calibration knob. i am guessing that it
> > is set to "30" for the thirty
> > watt power limit and the "300" for the three
> hundred
> > watt reading?	
> 
> YES THE METER HAS TWO SCALES 30 AND 300 SO YOU READ
> WHICH EVER ONE YOU HAVE THE CAL KNOB ON WHEN TESTING
> RADIO POWER OUTPUT ON FWD.
> 	
> > There is a button that is marked "forward" and
> also
> > "reflected" When I push it
> > in, which do I have? Is it the 'forward' or the
> > 'reflected' power reading?
> 
> PUSH IT IN FOR 	REFLECTED
> 
> 
> 
> 	
> > Beside it is another button. It is marked to read
> > the standing wave, but there
> > is also some other function like "rs power"? What
> is
> > that?	
> 
> THERE IS A POST ON THE BACK OF THE METER YOU CAN
> HOOK
> A SHORT WIRE TO, WHEN THE BUTTON YOU ASKED ABOUT IS
> PUSHED IN YOU CAN CHECK FIELD STRENGTH.IT WOULD BE
> HANDY TO COMPARE DIFFERENT ANTENNAS YOU HAVE TO ONE
> ANOTHER OR POINTING A BEAM (YAGI).
> 	
> > How do I set this up to read SWR? Where is the
> > calibration knob set to? Is the
> > power button left out or pressed in? What do I do
> > with this other button, leave
> > it out or pursh it in?
> 
> START WITH BOTH RED BUTTONS OUT,THEN ON YOUR LOWEST
> RADIO POWER SETTING, KEY AND ID,KEEPING THE MIKE
> KEYED,TURN THE CAL KNOB SO THAT THE NEEDLE GOES TO
> THE
> END OF THE RED ON THE LOWER SWR METER SCALE, NOW
> YOUR
> METER IS CALIBRATED FOR THIS TEST, NEXT, WHILE
> KEEPING
> THE MIKE KEYED, PUSH THE RIGHT RED BUTTON IN (TO
> REF)
> AND YOU CAN READ THE LOWER SWR SCALE (THE RED
> NUMBERS)
> WHICH WILL GIVE THE SWR AT THE MOMENT.
> 
> 
> 
> 	
>  	
> > Thank you.	
> > 	
> > No, I do not have the manual. I have to have
> > somebody sighted, such as my
> > teenage grandson use the meter, but I must know
> how
> > to instruct him properly
> > first. 	
> > 	
> > Duane Fischer, W8DBF	
> > dfischer at usol.com
> > 	
> > 
> > 
> > _______________________________________________
> > MFJ-Ameritron mailing list
> > MFJ-Ameritron at mailman.qth.net
> >
>
http://mailman.qth.net/mailman/listinfo/mfj-ameritron
> > 
> 
> 
> 
> 		
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> 
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