From unfortunate personal experience the audio cuts out at around 9.5V, and the
whole plot dies somewhere 8V. Quite outstanding - my .

Note to self - NEVER fly with a suspect battery again.

Cheers
Bruce

Paul Remde wrote:
Hi Martin,

The use of a 9 V battery for backup power for the Tasman is shown in the
installation manual he
http://www.tasmaninstruments.com/doc...allation_b.PDF

I have recently asked the manufacturer to verify as what voltage the audio
stops functioning. That point is a little unclear in the manuals.

Good Soaring,

Paul Remde
Cumulus Soaring, Inc.
http://www.cumulus-soaring.com

"Martin Gregorie" wrote in message
news
On Thu, 13 Oct 2005 11:54:22 +0200, Bruce wrote:

.....


We looked at the B40 vs Tasman recently for our club ships. In the end we
decided on the Tasman because it has no moving parts, and has the built
in
averager.


I've flown with a Tasmin once and liked it: the new vario down noise
sounds like an improvement.

The major advantage of the B.40 is its backup 9v battery: I think its
really important that a backup vario can operate with a dead main battery.
The Tasman literature mentions the possibility of using a backup battery
too, but its either well-hidden or absent from the installation and user
manual. I couldn't find a clear reference in the price list either despite
it being quoted as an option.

Do you use backup batteries with your Tasmans?

BTW, I have an SDI C4 that I intend to retain as my main vario.

--
martin@ | Martin Gregorie
gregorie. | Essex, UK
org |






--
Bruce Greeff
Std Cirrus #57
I'm no-T at the address above.