Transmitter Alerts - Garmin DESCENT MK2I Owner's Manual

Alert Message
Failed to read depth
sensor. End your dive now.
NDL exceeded. Decom­
pression now required.
PO2 is high. Ascend or
switch to lower O2 gas.
PO2 is low. Descend or
switch to higher O2 gas.
Safe to switch to %1.
Switch now?
Safety Stop Cleared
This pool dive will not be
saved to the dive log.

Transmitter Alerts

Alert Message Cause
Your paired dive computer has lost
None communication with the transmitter for
30 seconds.
Your tank pressure is below the reserve
%1 is below
pressure level. "%1" is replaced with the
reserve pressure.
transmitter name.
Your tank pressure is below the critical
%1 pressure is
pressure level. "%1" is replaced with the
critically low.
transmitter name.
Fewer than 20 hours of dive time
%1 has a low
remain. "%1" is replaced with the trans­
battery.
mitter name.
Your paired dive computer has lost
NO COMMS communication with the transmitter for
60 seconds.
32
Cause
The device has invalid or missing depth
sensor data after you have started a dive
activity.
You have exceeded your no decompres­
sion limit (NDL) time.
Your PO2 value is above the specified
critical value.
Your PO2 value is below 0.18 bar.
In a multi-gas dive, a gas with a higher
oxygen content is now safe to breathe.
During a dive, "%1" is replaced with the
name of the gas.
You completed the safety stop.
The device is in pool dive mode.
Device Action
Use a backup dive computer or dive
plan and end your dive. Call Garmin
Product Support.
None
Your PO2 value flashes red.
The alert appears every 30 seconds, up
to three times, until you ascend to a
safe level or switch gases.
If you are within the first two minutes
of your dive, your PO2 value flashes
yellow. Otherwise, your PO2 value
flashes red.
The alert appears every 30 seconds, up
to three times, until you descend to a
safe level or switch gases.
You can switch gases now, or wait to
switch gases later in the dive.
None
The device will not save the current
dive to the dive log.
Device Action
The tank pressure value flashes yellow.
The tank pressure value turns yellow.
The paired dive computer vibrates and plays a
warning tone.
The tank pressure value flashes red.
The paired dive computer vibrates and plays a
warning tone.
The transmitter name flashes BATT. LOW when
the battery is critically low.
The paired dive computer vibrates and plays a
warning tone.
The transmitter name flashes NO COMMS,
dashed lines replace the tank pressure value,
and the tank pressure value flashes red.
The paired dive computer vibrates and plays a
warning tone if connection alerts are enabled.
Diving