Citizen C520 Instruction Manual page 32

6. Additional functions
7. Battery to be used
8. Battery life
* Specifications are subject to change without notice.
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Depth alarm ... 1m - 80m/5ft - 260ft (1m/5ft units)
Diving time alarm ... 5 minutes - 310 minutes (5
minute units)
Ascending speed warning function
Abnormal depth warning function
Low battery warning device
Diving alarm monitor
1 lithium battery
approximately 2 years (after installation of a new
battery)
< Approximate conditions of use >
Time alarms: 15 seconds/day
No. of dives: 50 dives/year (time of 1 dive: 1 hour)
• Depth alarm ... 45 seconds/dive
• Diving time alarm ... 30 seconds/dive
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