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General| Model | C900 |
|---|---|
| Water Resistance | 100 meters |
| Dial Color | Black |
| Display Type | Analog |
| Features | Date display, Chronograph |
| Functions | Time, Date, Chronograph |
Highlights the inherent dangers of diving and the need for understanding watch operation and correct procedures.
Details the automatic water depth measurement, logging, and warning functions for diving.
Describes altitude measurement, barometric pressure sensing, and altitude memo features.
Provides essential advice for safe diving, including education, buddy system, and depth limits.
Lists conditions where the watch should not be used for diving, including low battery or abnormalities.
Details critical checks for the watch display, crown, band, and functions before diving.
Advises on safe ascent rates, crown operation underwater, and post-dive rinsing and rest.
Warns against diving at high altitudes or in fresh water due to measurement inaccuracies.
Explains altitude/barometric pressure calculation, correction needs, and prohibited uses.
Describes dedicated modes: Dive Alarm, Altitude Memo, Surface, Water Depth, and Altitude Measurement.
Explains the depth alarm, its setting range, and sound intervals.
Provides steps for setting the depth alarm and the dive time alarm.
Details the rapid ascent warning alarm that sounds if ascent rate exceeds safety limits.
Explains 'ER' for abnormal depth/sensor and 'CHEk' for water sensor issues.
Covers deleting old memos, ensuring accuracy, starting measurement, and recording data.
Provides solutions for issues like slow second hand, persistent 'CHEk' or 'ER' displays, and mode switching problems.
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