45
To access the Pre Dive Planning Sequence
(while in the Surface mode) -
Press the Left/Front (Advance) button 1 time
Press and release the Right/Side (Select) button to advance
through the Depths/Times, one screen at a time.
Press the Left/Front (Advance) button to access Fly Mode.
The unit will revert to Surface Mode after 2 minutes if no
button is pressed.
With each Depth displayed by the Pre Dive Planning Se-
quence, you will see either predicted no decompression
limits (NDLs) based upon your previous dive profiles (if
calculated to be nitrogen controlled), or predicted oxygen
tolerance limits (OTLs) based upon either a single dive
exposure or your 24 hour accumulation of oxygen (if calcu-
lated to be oxygen controlled).
The Maximum Depth allowed for a PO2 level of 1.60 (ATA)
for the FO2 setting will also be displayed.
Depths greater than the Maximum Depth that can be
achieved with a PO2 of 1.60 ATA will not be displayed.
If the Tissue Loading Bar Graph is displayed (Fig. 40), that
next dive is calculated to be controlled by nitrogen loading.
If the O2BG and O2 symbol are displayed (Fig. 41), it is
calculated to be controlled by oxygen loading.
Fig. 41 - Oxygen Control
Fig. 40 - Nitrogen Control
