When in diving mode, up to 100 diving records can be stored simultaneously, including diving information such as water depth and elapsed dive time.
Recorded logs may be checked in the diving log display.
In diving mode and in the diving log display, the light will not turn on when any of the buttons are operated.
The time alarm and time signal will not sound during diving mode.
Water depth measurement is possible up to a depth of 80 meters.
Recording a diving log
-
Unlock the button.
-
Press and hold Button
for more than two seconds. -
Lock the button.
-
Begin diving.
The watch will beep once and switch to diving mode.
Keep pressing Button , the watch will beep twice and switch to night diving mode.
The light will flash for one minute immediately after switching to night diving mode.
In night diving mode, the 
icon is displayed, and the light will flash while the diving log is being recorded.
During night diving mode, the light will shine at a lower illumination level (for power saving) than the normal light.
Diving mode
Night diving mode
When the watch detects a water depth deeper than 1.6 meters, it will begin recording a diving log.
While recording a log, the digital display shows the current water depth.
When the watch detects a water depth shallower than 1.5 meters, it will pause recording the diving log.
Log recording is terminated when the diving log recording has been paused for more than 10 minutes.
When the watch detects a water depth deeper than 1.6 meters within the next 10 minutes, it will restart dive log recording.
Log recording will also be terminated if the diving time exceeds two hours.
When the diving timer is on, an alarm will sound when the set diving timer time has expired. Setting the dive timer
After 60 minutes of diving standby (at a water depth shallower than 1.6 meters), the diving mode will automatically terminate.
Surface
Water depth 1.6 m
Scope of diving log recording
-
Press and hold Button
for more than two seconds to terminate diving mode.
Ensure all water is wiped from the button, then unlock and operate the button.
Lock the button once the log recording has been finished.
Screw lock type button
CAUTION
Rapid ascent warning display
If the watch detects a rapid ascent during a dive, the digital display will show “SLOW”.
An alarm tone will sound during the rapid ascent warning.
Even if ascent speed decreases, the alarm tone will continue to sound for the next four seconds.
Diving mode display units
In procedure 4 in How to set the time and date, the water depth unit and temperature unit can be set.
Water depth unit:
You can choose between meters (m) or feet (ft).
Temperature unit:
You can choose between Celsius (°C) or Fahrenheit (°F).
Check your diving logs
-
Unlock the button.
-
Press Button
to show the diving log on the digital display. -
Press Button
to select the diving log you want to be displayed.
When switching to the diving log display, the total diving time is displayed first.
Each press of Button will display the next log in order from newest to oldest.
-
Press Button
to check log content.
Press Button to change the log content displayed.
Log number and start date display
Start time display
Diving time display
Maximum depth display
Average depth display
Minimum water temperature display
Log number and start date display
Start time display
Diving time display
Maximum depth display
Average depth display
Minimum water temperature display
Diving time values less than one minute are rounded up.
The total diving time shows the accumulated time diving across multiple dives.
Lock the button once you have finished checking the log.
Screw lock type button
How to delete your diving logs
While displaying the log you want to delete, simultaneously press and hold Button and Button . The watch will display a confirmation prompt for deleting the diving log.
Continue to hold Button and Button , a tone will sound and the log will be deleted.
Further continue to hold Button and Button , another tone will sound and all logs will be deleted.
Deleting a diving log does not change the total diving time.
How to reset the total diving time
While displaying the total diving time, simultaneously press and hold Button and Button . The watch will display a confirmation prompt to reset the total diving time.
Continue to hold Button and Button , a tone will sound and the total diving time will be reset.
Resetting the total diving time does not delete any diving logs.