Owner`s manual

DIVE COMPUTER (DC) OPERATING MODES

The ZEN features 3 selectable DC Operating Modes -

• NORM >> for Normal Air or Nitrox SCUBA dives

• GAUG >> for SCUBA dives with no Nitrogen/Oxygen calculations.

• FREE >> for dives with no SCUBA

SURFACE MODE

Depressing the M button for 2 seconds while the Watch Default Time screen is displayed

will access the NORM, GAUG, or FREE Surface Main screen (whichever was selected).

If no dive has been taken within the past 24 hours, the NORM Surface Main screen will

appear as the default display indicated by the graphic Nor (Fig. 28).

The Gauge and Free Surface Main screens can be accessed by subsequent 2 second

presses of the M button. Their graphics (GAU, FRE) will ﬂash indicating that they can be

selected as the Operating Dive Mode.

> To select a Mode for diving, press/release the M button while

that graphic is ﬂashing. When the graphic becomes solid,

that Mode is selected for the type of dives to be conducted.

• The operating mode selected will remain on display for 2

hours until a dive is made or another operating mode is

selected.

• If a dive has been conducted within the past 24 hours,

the Surface Main screen for that operating mode will be

displayed.

Fig. 28 - NORM SURF MAIN