Owner`s manual

100
FREE DIVE MODE
When Free Dive Mode is selected as the operating mode, the ZEN will operate with select
features. Nitrogen loading is calculated based on a default FO2 of AIR and the amount
remaining during 24 hours is carried over between FREE and NORM operating modes.
• To access Free Dive Operating mode while viewing the Watch Default Time screen,
press the M button 3 times (2 seconds each time), or while the Gauge Surface Main
screen (no Gauge dive was made), press the M button 1 time for 2 seconds.
• The graphic FRE will flash indicating that it can be selected as the operating mode.
• To select it, press and release the M button momentarily (< 2 sec). The graphic
becomes solid and Free mode is selected for the dives to be conducted.
WATCH TIME >> NORM SURF >> GAUG SURF >> FREE SURF
Free Surface Main information includes (Fig. 92) -
> Graphic FRE
> Graphic tot with Total number of repetitive Free dives
conducted in that series with # icon (below)
> Surface Interval after the most recent dive (min:sec to 59:59,
then hr:min) with clock/wave icon (above next to FRE)
> Battery icon if a Low Battery condition exists
• Press and release the M button momentarily (< 2 sec) to
access the Watch Default Time screen.
• Press the L button to activate the Backlight.
Fig. 92 - FREE SURF MAIN
M
S
A
L