SUUNTO D4 - Manual (Page 30)

Table 5.2. Preset alarm types
Alarm reason Alarm type
Preset maximum depth has
been exceeded. Continuous beep series for 24 seconds
Maximum depth blinks as long as the current depth
value exceeds the preset value.
Preset dive time has been ex-
ceeded. Continuous beep series for 24 seconds or until any
button is pressed.
Dive time blinks for one minute.
Preset alarm time is reached. Continuous beep series for 24 seconds or until any
button is pressed.
Current time blinks for one minute
Table 5.3. Oxygen alarms in NITROX mode
Alarm reason Alarm type
Set oxygen partial pressure limit is exceeded. The al-
ternative display is replaced with a current blinking
PO
2
value. You should immediately ascend above the
PO
2
depth limit.
Continuous beeps for 3
minutes and activated back-
light
OLF value reaches 80%. The OLF value will start to
blink.
OLF value reaches 100%. The OLF value will blink.
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