Need help?Do you have a question about the Orca Marathon and is the answer not in the manual?
General| Display Type | LCD |
|---|---|
| Logbook Capacity | 50 dives |
| Backlight | Yes |
| Operating Modes | Air, Nitrox |
| Type | Wrist Computer |
Defines key terms like Ceiling Alarm, Safe Ceiling, Safe Time Remaining, and Over-Range.
Defines Surface Mode, Dive Mode, Power OFF, Repetitive Dive, and Theoretical Nitrogen Over-Pressure Limit.
Details the unit's power-up process, including display segment checks and software version display.
Explains how the Marathon reads battery voltage and establishes ambient surface pressure for operation.
Describes Surface Mode, used for dive planning and displaying the Scrolling Dive Table.
Explains entry into Dive Mode, display elements like Safe Time Remaining, Depth, and Elapsed Dive Time.
Covers the Ascent Slower alarm, recommended safety stops, and warnings about ascent rate.
Details safe decompression diving, including SAFE CEILING, ascent rates, and warnings.
Illustrates a typical no-decompression dive scenario with the Marathon's display.
Demonstrates the Marathon's display and recorded information upon returning to the surface.
Shows how the Marathon indicates a decompression situation and required procedures.
Provides guidance on battery care, expected lifespan, and replacement procedures.
Explains the multi-level warning system indicating low battery voltage and necessary actions.
Details the automatic power-off feature for battery conservation and its implications.
Guides on inserting batteries and ensuring the battery compartment seal's integrity for water resistance.
Describes a method to test battery performance in cold water conditions for dive planning.
Recommends applying safety margins during ascent, between dives, during dives, and before flying.
Provides safety advice for performing repetitive dives at deeper depths and surface intervals.
Discusses the effects of altitude on dive computer calculations and diving safety.
Explains the 'or' or 'out of range' display and its implications for dive data validity.
Details various time displays and the functionality of the ascent rate alarm system.
Warns against ascending above the CEILING and discusses the importance of previous dive history.
Instructions for attaching the Marathon holster to a hose or BC for secure mounting.
Provides essential maintenance and care instructions for the dive computer's longevity.
Explains the underlying principles and theory behind the dive computer's nitrogen absorption calculations.
Addresses common user queries regarding operation, safety, and troubleshooting the dive computer.
To Next Page