Suunto D4f User guide
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 type | Sound pattern | Duration |
|---|---|---|
| Low priority |  | 0.8 s sound + 3.2 s break |
In addition, there are two audible guidance notifications:
| Instructional beep | Sound pattern | Interpretation |
|---|---|---|
| Ascending |  | Start ascending |
| Descending |  | Start descending |
Suunto D4f displays information during the alarm breaks in order to save battery life.
Low priority alarms:
| Alarm type | Alarm 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 blinks | Defined 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 display | Indication |
|---|---|
 | Do not fly (after single 10-minute free dive) |