Well thanks, Curtis, at least I know I am not alone with the problem I had 
the other night.

This is something we probably should remind ourselves of every once in a 
while, since it can really throw you off if you're not expecting it.  (grin)

Tom Behler: KB8TYJ

----- Original Message ----- 
From: "Curtis Delzer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, September 30, 2012 1:09 AM
Subject: Re: Beware of the DRV Function On The TS590


>I have a 590 and there was a band I was convinced that there was a
> problem, when it was that button I had held in too long which turned
> on the *.drv function for transverters, so it wouldn't even activate
> the antenna tuner.  that is the key, if your 590 does not activate
> the antenna tuner and just gives the low "error" beep, that means
> that you have the drv for transverters engaged and maybe be putting
> out half a watt or so if that.
> hold down that button again and deactivate that function.
>
>
> Curtis Delzer.
> HS.
>
> K 6 V F O
> Fessenden, ND
>
> [log in to unmask]
> [log in to unmask]
> skype: curtis1014
>
>
>
> At 02:26 PM 09/29/12, you wrote:
>>Does that same feature apply to the TS-480? Have never heard of
>>it.  Jim WA6EKS
>>
>>  ----- Original Message -----
>>From: Steve Forst <[log in to unmask]
>>To: [log in to unmask]
>>Date sent: Sat, 29 Sep 2012 06:43:31 -0400
>>Subject: Re: Beware of the DRV Function On The TS590
>>
>>That's right Bob.   For driving a transverter or any other device
>>that
>>only  needs  a minimal amount of drive.   I think it is pulling
>>the RF
>>from the driver transistors before it gets to the  final PA
>>transistors.
>>
>>I've heard of others doing this, so it is something we should
>>keep in
>>mind when the rig doesn't seem to be working right.
>>
>>73, Steve KW3A
>>
>>On 9/29/2012 12:40 AM, Bob, K8LR wrote:
>>  Hi Tom,
>>
>>  I think that the drv function is for driving a transverter, but
>>that is just
>>  an educated guess!
>>
>>  Bob, K8LR, [log in to unmask]
>>
>>  ----- Original Message -----
>>  From: "Tom Behler" <[log in to unmask]
>>  To: <[log in to unmask]
>>  Sent: Saturday, September 29, 2012 12:17 AM
>>  Subject: Beware of the DRV Function On The TS590
>>
>>
>>  Hello, all.
>>
>>  What I'm going to share here may not be big news to some, but
>>for those like
>>  me who never had this problem, it is a bit disconcerting.
>>
>>  Tonight, I decided to fire up and get re-acquainted with my
>>TS590, since I
>>  probably hadn't even turned it on for a month and a half.  I had
>>taken some
>>  SWR and output power readings using the rig's  internal meter,
>>and
>>  everything looked great, until I tried getting on the air.
>>
>>  Even if I was on a resonant or near-resonant frequency for one
>>of my
>>  antennas, the rig's auto-tuner would not tune.
>>
>>  I played around for quite a while, trying to figure out what was
>>wrong, and
>>  then, I decided to swallow my pride, and ask the sighted XYL for
>>help.
>>
>>  It turns out that I inadvertently had activated the DRV
>>function.  This
>>  happens when you press the meter function button down too long.
>>The meter
>>  switch is one of the few buttons that doesn't talk on the rig,
>>so it's very
>>  easy to make this mistake.  Once the meter switch  button was
>>re-set to
>>  normal, everything was fine again.
>>
>>  Does anyone know what the DRV function is, and has anyone ever
>>used it?
>>
>>  Just curious.
>>
>>  73 from Tom Behler: KB8TYJ
>