I experienced similar problems.  Then someone pointed out that
a unit with a remote is always looking and waiting for a command.
So removing the face is needed to minimize draw.  Here are the
draws I measured.  "off" is about half of "on" but "no face plate"
is about 1/15th of "off":
http://jones.colorado.edu/VW/Panasonic.txt

Richard

On 7/1/2014 10:00 PM, Automatic digest processor wrote:
> Date:    Tue, 1 Jul 2014 19:24:54 -0700
> From:    Alistair Bell<albell@SHAW.CA>
> Subject: Re: Electrical draw question
>
> Hi,
>
> I have my radio wired to the aux battery so I don't have to worry about draw=
>   on the starting battery. But I was surprised to find out how much it draws t=
> urned off. With face plate on, it measured something around 130 mA. With fac=
> eplate off it was 30 mA.
>
> I have a dinky little 30 Ahr aux battery ( big assed battery awaiting instal=
> l) so I pull the face plate when I park the van. Maybe silly, but I hate tha=
> t constant draw on the battery when I am not there.
>
> Alistair
>
>
>
>> >On Jun 30, 2014, at 9:08 AM, Eric Caron<ecaron1@COMCAST.NET>  wrote:
>> >=20
>> >Hi Listers,
>> >=20
>> >=20
>> >        I may have               incorrectly hooked up my new radio.  I lik=
> e it to always have power even with the ignition off.  .  But I'm told this w=
> ill draw 67 mili amps.  With just the memory power on it draws 6 mili amps.
>> >=20
>> >        My van sits often for 2 weeks without being started.  Is this going=
>   to quickly draw down my battery?=20
>> >=20
>> >Eric Caron=20
>> >85 GL Auto Westfalia=20
> ------------------------------