Oceanic OC1 Operating Manual - page 150
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NORTH OP MODE
Used for activity involving navigation in which a Heading (direc-
tion of travel) is not set prior to diving.
North remains as the default mode until Reference is selected.
North OP Mode, information includes (Fig. 149) -
> North Mode icon, flashing
> Static Arrow icon, diver direction of travel
> Dynamic Arrow icon, relative direction of magnetic north
> Heading as 001 to 360°, in 1° increments, with quadrant
position graphic
• S (< 2 sec) - to save North (icon becomes solid) and display
it as the Compass OP Main
Graphic:
Range:
• N
351 to 360 to 010°
• NE
011 to 079°
• E
080 to 100°
• SE
101 to 170°
• S
171 to 190°
• SW
191 to 260°
• W
261 to 280°
• NW
281 to 350°
Fig.149-NORTHOPMODE
(surface)