[Elecraft] Re: K3 Key-down on power-up [Solution?]

[Jim Cox]

The radio cant do everything for you.  Why anyone would let a "stupid user" 
operate their > 2K radio at a field day site is beyond me.   Jim K4JAF


----- Original Message ----- 
From: "Brett Howard" <brett at livecomputers.com>
To: "wayne burdick" <n6kr at elecraft.com>
Cc: "Elecraft Reflector" <elecraft at mailman.qth.net>
Sent: Sunday, June 29, 2008 12:24 AM
Subject: Re: [Elecraft] Re: K3 Key-down on power-up [Solution?]


>I thought of another feature to help fix the stupid user issue.  How
> about a lock that doesn't allow a band change.  Such as a special way to
> use the lock button that doesn't lock one out from QSYing but doesn't
> allow them to move off of say 40 meters.  We had a death to a band pass
> filter cause some one turned their equipment over to a new ham on
> another one of the stations and a feature that locks from going to
> another band could have prevented that.  Also would be useful for when
> you don't have the tuner nor an external and your antenna is only good
> on one band.
>
> On Fri, 2008-06-27 at 19:51 -0700, wayne burdick wrote:
>> Dave,
>>
>> I wanted to run a possible solution past you.
>>
>> I could prevent the rig from being keyed (by any method) during the
>> first couple of seconds that it's powered up. Instead, it could detect
>> this case, and display a repeating message (something like: "KEYLINE IS
>> ACTIVE") until you either remove the source of the keying or turn power
>> off.
>>
>> Thoughts on this?
>>
>> 73,
>> Wayne
>> N6KR
>>
>>
>> Dave Hachadorian, K6LL wrote:
>>
>> > I've got my K3 set up for cw on Field Day with a laptop usb
>> > port driving a usb to serial converter. Rig control and cw
>> > keying are done over the serial cable, using the K3's
>> > built-in ability to send cw from pin 4(?) of the rs-232
>> > cable.
>> >
>> > Everything works fine, but I got quite a scare when I turned
>> > on the K3 and it came up keyed-down 120 watts into no
>> > antenna.  It seems that if the laptop is not running the
>> > logging program, rs-232 pin 4 can very well be in a key-down
>> > state.
>>
>>
>> ---
>>
>> http://www.elecraft.com
>>
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