After the automatic checks, Suunto Vyper Novo enters surface
mode. At this point, you should perform your manual checks before
entering the water.
Ensure that:
1. Suunto Vyper Novo is in the correct mode and provides complete
displays.
2. Altitude setting is correct.
3. Personal setting is correct.
4. Deepstops are set correctly.
5. Unit system is correct.
6. Correct temperature and depth are shown.
7. The alarm beeps.
3.1.1 Wireless Transmitter pre-check
If the optional wireless tank pressure transmitter is used, check that:
1. Tank gas and O
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settings are correct.
2. The transmitter is properly installed and the tank valve is open.
3. The transmitter and Suunto Vyper Novo are paired.
4. The transmitter is sending data (wireless transmission icon blinks,
tank pressure is displayed).
5. There is no transmitter low battery warning.
6. There is enough air for your planned dive. Check the pressure
reading against your back-up pressure gauge.
3.1.2 Battery indicators
Temperature or internal oxidation can affect the battery voltage. If
you store your Suunto Vyper Novo for a long period or use it in cold
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