Owner's Manual blood pressure monitor

Section 2: Diving with the Monitor 3 Air
17
Dive Time
Dive time, which is displayed in minutes, is the amount
of time spent below a depth of 4 feet. While the dive time
is running, the colon to the right of the number flashes
in one-second intervals. Maximum dive time displayed is
199 minutes.
Note: If a dive lasts longer than 199 minutes, dive time will
roll over to 0 minutes.
Maximum depth
display
Maximum Depth
Maximum depth is the deepest depth reached during the
dive. It is only displayed when the actual depth is more
than three feet shallower than the maximum depth.
Dive time
display