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3.4. AUDIBLE AND VISUAL ALARMS
The Suunto D3 features audible and visual alarms to advise when important limits
are approached or to acknowledge preset alarms.
A short single beep occurs when:
• the dive computer automatically returns to the Time Mode.
Continuous beeps and the backlight activated when:
• the maximum allowed ascent rate, 10 m/min [33 ft/min], is exceeded.
SLOW warning will appear (Fig. 3.20.). The Ascent Rate indicator is
available in Gauge Mode only.
You are able to preset alarms before the actual dive. The user programmable
alarms can be set for maximum depth, dive time and daily time. The alarms
activate when:
• The preset maximum depth is reached
• continuous beep series for 24 seconds or until any button is
pressed.
• the maximum depth blinks as long as the present depth value
exceeds the adjusted value.
• The preset dive time is reached in Gauge Mode
• continuous beep series for 24 seconds or until any button is
pressed.
• the dive time blinks for one minute, if no button is pressed.