1
GP-4000 C
www.istsports.com
[ Hold A button for 2 seconds to mark (or to cancel) ]
DIVE
N
2
O
2
O
A
N
1) Initial heading marked
(1)
Before using the compass for its very first dive, please reset the azimuth
delineation as your locatiion's latitude may be significantly different to factory
setting and the reading can be inaccurate. Also, many divers are also travellers,
remember to reset the compass delineation when the new diving location has a
significant change in latitude to the previous dive.
DIVE
N
2
O
2
ROTATE
SLOWLY
To realign the compass to earth’s axis,
press the C button for 2 seconds, hold
C parallel to the ground then
rotate the unit very slowly clockwise until
a full circle is indicated by the dot-matrix
display. Press C for 2 further seconds to
exit the function.
Buttons of operation
Button
A
EL back light is on for 4 seconds
Reset azimuth delineation (hold button for 2 seconds)
Move to Dive Set mode
EL back light on for 4 seconds
Mark initial orientation (hold button for 2 seconds)
Function in Compass mode
B
C
Move to Time mode (after 2 minutes)
No input
Move into DIVE / GAGE mode
Water sensor
--- NOTE ---
If in this mode, the unit:
1) has taken a measurement outside the working range, or
2) is locked in decompression stop violation,
all display segments will flash and can not enter DIVE / GAGE mode.
