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This message describes an on-land incident where an Aladin air-x computer
malfunctioned.
Prior to the incident the computer logged some 40 dives.
The dive computer and a cellular phone (Ericsson GH337) were stored in
the same bag and possibly in physical contact.
The telephone rang and at the same time the computer started logging a
dive at 2m. No combination of "contact touching" could reverse this.
I contacted the Swedish vendor, CBM who promptly replaced the whole
system without making any trouble. They pressure tested the air-x and it
appeared to log a depth exactly 2m too deep.
During this "computer dive" I noticed that an active cellular phone would
influence the depth displayed at a distance of 50 cm (about 20 inches).
The effect was a decereasing depth as the phone got closer.
/RS
(o o)
+------------------------------oOO--(_)--OOo---------------------------+
| Richard Soderberg, MD, PADI DM | The Karolinska Institute |
| Systems analyst, Diving physician | MIC-KIBIC |
| Voice#: +46 8 728 80 00 | Library and |
| Fax# : +46 8 33 04 81 | Medical Information Center |
| Snail : PO Box 200 | Doktorsringen 21 C, |
| S-171 77 Stockholm | S-104 01 Stockholm |
| Email :richard.soderberg@mi*.ki*.se* | SWEDEN |
+------------------------------------+---------------------------------+
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