Rapid Ascent Warning Alarm - Citizen Eco-Drive BN2031-85E Instruction Manual

Water depth measurement
When the depth goes beyond the indication range
The water depth hand and maximum water depth hand point to
"OVER".
The water depth hand stops indicating "OVER" and moves to
indicate current depth as the detected depth comes back within
the indication range.

Rapid ascent warning alarm

The rapid ascent warning alarm sounds as the watch detects ascent equivalent to 9
m per minute.
• The alarm keeps sounding as long as rapid ascent continues.
• The alarm keeps sounding for about 10 seconds even after rapid ascent stops.
• The alarm sound can be checked before diving. (→ page 25)
• Rapid movement of your arm may activate the rapid ascent warning feature.
• This feature cannot be disabled as it is an important safety feature.
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