Interesting. It sounds like the designers thought about battery operation,
but never implemented it.
Steve
----- Original Message -----
From: "Gerry Leary" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, May 13, 2011 06:48
Subject: Re: The TW2 came.
> there IS AN EXTRA PIN ON THE ADAPTER PLUG THAT DOES NOT LET THE CHARGE
> CURRENT THROUGH. I I used that one for the battery because the plug
> switches it off when you use outside power. The battery lasts a few
> months,
> and I have thought about putting a switch in the circuit to disconnect the
> battery as in an on off switch.
> ----- Original Message -----
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, May 12, 2011 7:10 AM
> Subject: Re: The TW2 came.
>
>
>> 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]
>>>>>
>>>
>
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