Thought I'd post this notice that I found tonight when looking at Suunto info
Suunto Safety Notice
From the website:
The products affected are:
D9 serial numbers 62102582 and below
D6 serial numbers 62103693 and below
Suunto strongly recommends that D9 or D6 should not be used for diving before the unit has been updated with the latest software. If the product is used before updating the software, backup instrumentation must also be used.
Suunto will provide a free software update to fix the bug. Please bring your D9 and/or D6 to your nearest local authorized Suunto retailer for the software update as soon as possible. For contact information please visit our web site
Suunto - Home If that is not possible or if you require any further details, contact the Suunto Help Desk at
SuuntoD9-D6@nordictelecenter.fi To contact Suunto by phone, call toll free 1 800 543 9124 in the USA and Canada, or +358 284 1160 (international call rates are applicable) from all other countries.
As a complimentary service Suunto will at the same time replace your battery and perform a pressure test free of charge.