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Suunto D5 User Guide

  • Alarms, warnings and notifications

Alarms, warnings and notifications

Suunto D5 has color-coded alarms, warnings and notifications. They are shown prominently on the display with an audible alarm (if tones are on). Alarms are always red. Warnings may be red or yellow. Notifications are always yellow.

Suunto D5 has vibration alarm. The vibration can be turned on or off for dive alarms, notifications and warnings.

Alarms are critical events that always require immediate action. When an alarm situation comes back to normal, the alarm will stop automatically.

AlarmExplanation
p10-asc-warningAscent speed exceeds safe speed of 10 m (33 ft) per minute for five seconds or more.
p10-ceiling-brokenDecompression ceiling broken by more than 0.6 m (2 ft) on a decompression dive. Immediately descend back below ceiling depth and continue to ascend normally.
p10-high-pO2Partial pressure of oxygen exceeds safe level (>1.6). Immediately ascend or change to a gas with lower oxygen percentage.

Warnings alert you to events that can impact your health and safety if you do not take action. Acknowledge the warning by pressing any button.

WarningExplanation
CNS 100%Central nervous system toxicity level at 100% limit
OTU 300Recommended daily limit for Oxygen tolerance unit reached
DepthDepth exceeds your depth alarm limit
Dive timeDive time exceeds your dive time alarm limit
Gas timeGas time is below your gas time alarm limit, or tank pressure is below 35 bar (~510psi), in which case gas time is zero.
Safety stop brokenMandatory safety stop ceiling broken by more than 0.6 m (2 ft)
Tank pressure

Tank pressure is below your tank pressure alarm limit.

There is a built in 50-bar alarm that cannot be changed. In addition to it there is a configurable tank pressure alarm, you can set to any value and your dive computer also shows an alarm when that value and 50 bar pressures are reached. The tank pressure number is forced onto the display and turns yellow after the value you set and red after 50 bar.

Notifications indicate events that require preventive actions. Acknowledge the notification by pressing any button.

NotificationExplanation
CNS 80%Central nervous system toxicity level at 80% limit
OTU 250Approximately 80% of recommended daily limit for OTU reached
Change gasOn multi-gas dive when ascending, it is safe to switch to next available gas for optimum decompression profile
Battery lowApproximately three hours of dive time left
Recharge neededApproximately two hours of battery time left; re-charging required before next dive
Tank POD low batteryTank POD battery life low; battery change required