SUUNTO D3 - Manual (Page 71)

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Operating Conditions
• Normal altitude range: 0 to 3000 m [10000 ft] above sea level.
• Operating temperature: 0°C to 40°C [32°F to 104°F].
• Storage temperature: -20°C to +50°C [-4°F to +122°F].
It is recommended that the D3 be stored in a dry place at room temperature.
Battery
• One 3 V lithium battery; CR 2032
• Battery storage time (shelf life): Up to 18 months.
• Replacement: Every 18 months or more often depending on dive activ-
ity.
• Life expectancy at 20°C [68°F] with 40 minute Gauge dives:
• 0 dives/y -> 16 months
• 50 dives/y -> 11 months
• 100 dives/y -> 9 months
• 200 dives/y -> 6 months
• Life expectancy at 20°C [68°F] with 1 minute Free dives:
• 0 dives/y -> 16 months
• 50 dives/y -> 15 months
• 100 dives/y -> 14 months
• 200 dives/y -> 12 months