RD Instruments Cobra-Tac, User Manual, Page: 24 / 62

Cobra-Tac User's Guide
page 18 RD Instruments
4.2.3 Mark Navigation Mode
The MARK NAV Option is used to allow the diver to return to a marked
location.
NOTE. You must have marked an event in a previous navigation function.
To navigate to the marked location, do the following.
a. Stand at your initial position.
b. Activate the training mode (see
“Training Mode,” page 13 ).
c. Start the mission by selecting MARK NAV on the NAVIGATION
menu.
d. On the MARK LOCATION screen use the
SELECT
function to choose
the marked location to navigating to (1 to 99).
e. Select
ACCEPT
to load the location.
f. Select
START
to begin navigating.
g. The Diver Navigation Indicator gives the direction and range to the
marked location.
h. When you have navigated to the location, the screen will show the next
marked event. Select the event number and use
ACCEPT
to navigate to
the location.
i. Practice navigating to marked events. It may be helpful to walk the
course in a parking lot.
j. When ready to return to the staring point, use the
HOME
function (see
“Home Function,” page 26 ).
k. Select
CANCEL
to stop the mission (which stops recording). Select
CANCEL
again to return to the NAVIGATION menu. Select
CANCEL
once more to return to the main menu.
l. Turn the power off to the Cobra-Tac.
CAUTION. To end a mission, back out (
CANCEL
) until at the main screen,
then turn the power off. This ensures that the events are saved. If the
Cobra-Tac power is turned off before returning to the main screen, the
marked events will not be saved.