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Suunto D4f User guide

  • Alarms, warnings and notifications

Alarms, warnings and notifications

Suunto D4f has audible and visual alarms designed to let you know when important limits or presets are being reached.

The one audible alarm type indicating low priority:

Alarm typeSound patternDuration
Low priorityAlarm LowPriority0.8 s sound + 3.2 s break

In addition, there are two audible guidance notifications:

Instructional beepSound patternInterpretation
AscendingAlarm AscendingStart ascending
DescendingAlarm DescendingStart descending

Suunto D4f displays information during the alarm breaks in order to save battery life.

Low priority alarms:

Alarm typeAlarm reason

Low priority alarm, repeated twice.

Maximum depth value blinks

Defined maximum depth or the maximum depth of the device exceeded. Acknowledge the alarm by pressing any button.
Low priority alarm, repeated twice; dive time value blinksDefined dive time exceeded. Acknowledge the alarm by pressing any button.
Low priority alarm. Maximum depth value blinks.Defined depth reached. Acknowledge the alarm by pressing any button.

Low priority alarm,

Surface time value blinks.

Duration of surface time until next dive. Acknowledge the alarm by pressing any button.

Visual alarms

Symbol on displayIndication
noflyDo not fly (after single 10-minute free dive)