DC-Sapience II IQ-850 - Dive computer Tusa - Free user manual and instructions
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| Product Type | Dive Computer |
| Brand | Tusa |
| Model | DC-Sapience II IQ-850 |
| Dimensions | Approx. 70 x 50 x 30 mm |
| Weight | Approx. 100 g (with battery) |
| Power Supply | 1 x CR2032 lithium battery |
| Battery Life | Up to 2 years under normal use |
| Display | Large LCD with backlight |
| Depth Range | 0 to 120 m (400 ft) |
| Dive Modes | Scuba, Freedive, Gauge, and Nitrox |
| Algorithm | Bühlmann ZHL-16C with gradient factors |
| Air Integration | Yes (optional transmitter) |
| Logbook | Up to 1000 dive hours |
| Alarms | Depth, time, ascent rate, oxygen toxicity |
| Water Resistance | 200 m (660 ft) |
| Operating Temperature | -10°C to 50°C (14°F to 122°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Maintenance | Rinse with fresh water after use; replace battery as needed |
| Safety | Visual and audible alarms for critical situations |
| Spare Parts | Battery cover, strap, O-rings |
| Repairability | Battery user-replaceable; other repairs by authorized center |
Frequently Asked Questions - DC-Sapience II IQ-850 Tusa
How do I change the battery in my Tusa DC-Sapience II IQ-850?
Remove the battery cover using a coin or screwdriver. Replace the CR2032 battery with the positive side up. Ensure the O-ring is clean and lightly greased before resealing the cover.
What is the maximum depth rating of this dive computer?
The Tusa DC-Sapience II IQ-850 is rated to a maximum depth of 120 meters (400 feet).
Can I use the IQ-850 for freediving?
Yes, the IQ-850 has a specific Freedive mode that tracks depth, dive time, and surface intervals.
How do I set the date and time?
In the main menu, select 'Set Time/Date'. Use the buttons to adjust values and confirm. Refer to the manual for detailed button sequences.
What does the ascent rate alarm indicate?
The ascent rate alarm sounds if you exceed the recommended 10 m/min ascent rate, warning you to slow down to reduce decompression sickness risk.
Is the IQ-850 suitable for nitrox diving?
Yes, it supports Nitrox with adjustable oxygen percentage up to 99% O₂ and can calculate oxygen exposure limits.
How do I download dive logs to a computer?
The IQ-850 connects via infrared or optional PC interface cable to a computer with Tusa's DiveLog software (compatible with Windows/Mac).
What should I do if the display shows a low battery warning?
Replace the battery as soon as possible. The dive computer will still function for a limited time, but data may be lost if battery fails completely.
How do I clean and maintain the dive computer?
Rinse with fresh water after every dive, especially in salt water. Dry with a soft cloth. Avoid solvents or abrasive cleaners.
What is the warranty for Tusa DC-Sapience II IQ-850?
Tusa offers a limited 2-year warranty against manufacturing defects. Proof of purchase is required. Does not cover battery or wear and tear.
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