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2.
Ensure that the Suunto HelO
2
is turned on, and thatthe wireless integration is enabled
in the Suunto HelO
2
settings (HP set ON, see Section 5.9.8. Setting the HP code).
The HelO
2
should display “cd:--” in the lower left corner of the alternative display.
3.
Slowly open the cylinder valve fullyand pressurize the regulator. The transmitter starts
transmitting when the pressure exceeds 15 bar/218 psi.
4.
Take the Suunto HelO
2
wrist unit close to the transmitter. The unit will then quickly
display the selected code number and then start displaying the transmitted cylinder
pressure. The wirelesstransmitter indicator is displayed everytime the Suunto receives
a valid signal.
WARNING
If thereare several divers usingSuunto HelO
2
with wirelesstransmis-
sion, always ensure that each diver is using a different code before
starting the dive.
You can manually change the transmitter’s code by reducing the
pressure to less than 10 bar/145 psi and then immediately (within 10-
12 seconds) increasing the pressure to above 15 bar/220 psi.
Reset the transmitter's code manually, see Section 5.9.8. Setting the
HP code.
The transmitter will then select a new code. The Suunto HelO
2
must
be in “cd:--“ mode to pair on the new code. This procedure can be
used if, for example, your dive buddy has the same code and you
need to change it.
NOTE
In order to save batteryenergy, the transmitter shuts offif the pressure
remains unchanged for more than 10 minutes, and it will continue
transmitting with the saved code when any pressure change is
measured.
5.8.3. Transmitting data
After the pairing procedure, the Suunto HelO
2
will receive cylinder pressure data from the
transmitter. The pressureis displayed in either bars or psi,depending on the unit selected.
Any time the SuuntoHelO
2
receives an appropriate signalit flashes the wireless transmitter
indicator in the display’s lower left corner.
Table 5.3. Pressure transmission related displays
FigureIndicationDisplay
A
Set Code. No code stored, Suunto HelO
2
ready for pairing with trans-
mitter.
Cd:--
B
Pressure reading over 360 bar/5220 psi.
- - -
C
Pressure reading has not been updated for more than one minute.
The latest valid pressure reading is displayed intermittently. After five
minutes, "FAIL" is displayed intermittently with "---".
Transmitter is out of range, in power saving mode or on another
channel. Activate the transmitter by breathing off the regulator, and
recode the wrist unit if necessary.
FAIL
D
Pressure transmitter battery voltage is low. The pressure reading is
displayed intermittently. Change the transmitter battery!
LOb
E
Pairing has not been conducted between the dive computer and the
transmitter before start of dive. No cylinder data available.
OFF
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