Great idea, Gerry!  Is that enough voltage to make it work correctly?  How 
quickly does it go through batteries?  Might be good to have some sort of 
switch or diode arrangement to remove the battery from the circuit when an 
adaptor is plugged in.

Steve

----- Original Message ----- 
From: "Gerry Leary" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, May 12, 2011 07:10
Subject: Re: The TW2 came.


>I modified my TW1 and put a 9 volt battery in it.  I even connected it to
> the right terminal on the plug so that the 12 volt DC would not charge the
> battery.  That way I can use it on field day.
> ----- Original Message ----- 
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, May 11, 2011 7:40 PM
> Subject: Re: The TW2 came.
>
>
>> Kevin,
>>
>> If you have any kind of continuity checker, you can figure out which wire
>> goes where with 100% success.  Connect one lead from the checker to some
>> part of the case that you know is ground, such as the outer part of one 
>> of
>> the SO-239s.  Touch the other lead to one of the wires you have connected
>> to
>> the power jack, and whichever one gives you the least resistance is the
>> ground wire.
>>
>> It also turns out that the outer part of the plug is ground, so if you
>> clip
>> one lead to the outer part of the plug, whatever wire gives you 0 ohms
>> resistance is ground.  I've hooked up my TW2 this way without frying
>> anything, so I know it works.
>>
>> Steve
>>
>> ----- Original Message ----- 
>> From: "Kevin Minor" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Wednesday, May 11, 2011 20:03
>> Subject: Re: The TW2 came.
>>
>>
>>> Hi Tom.
>>>
>>> I checked the box that the TW2 came in as well as the box that they
>>> packed
>>> the box with the TW2, and there's no 12 volt wall wart.  There is the
>>> lead
>>> that can be hooked to my Astron, but I have two things going against me.
>>> First, my hands aren't coordinated enough to put the wires on the
>>> terminals,
>>> and second, and more importantly, I don't know what wire goes where.  As
>>> a
>>> friend of mine said I have a 50 50 chance, but I really don't want the
>>> blue
>>> sparks coming out of this nice new meter.  I can wait until tomorrow or
>>> Friday to get what I need.
>>>
>>> I may have fun and switch the meter to German.  I can learn the numbers
>>> that
>>> way. <grin>
>>>
>>> Kevin Minor, Lexington, KY
>>> [log in to unmask]
>>>
>