Suunto HELO2 manual Transmitter battery kit, Stalling the transmitter battery

CAUTION	Defects caused by improper battery installation are not covered by
	the warranty.

9.4.1. Transmitter battery kit

The transmitter battery kit includes a 3.0 V CR ½ AA lithium cell battery and a lubricated O-ring. When handling the battery, do not make contact with both of the poles at the same time. Do not touch the metal surfaces of the battery with your bare fingers.

9.4.2. Required tools

•A Phillips-head screwdriver

•Soft cloth for cleaning

9.4.3.Replacing the transmitter battery To change the transmitter battery:

1.Remove the transmitter from the regulator HP port.

2.Unscrew and remove the four Phillips screws on the back of the transmitter.

3.Pull off the transmitter cover.

4.Carefully remove the o-ring. Be careful not to damage the sealing surfaces.

5.Carefully remove the battery. Do not touch the electrical contacts or the circuit board. Check for any traces of leakage, or for any other damage. If there is a leak or any other damage, take the transmitter to an authorized Suunto representative or distrib- utor for checking and repair.

6.Check the condition of the O-ring. A defective O-ring may indicate sealing or other problems. Dispose of the old O-ring, even if it seems to be in good condition

7.Check that the O-ring groove and the sealing surface of the cover are clean. Clean them with a soft cloth if necessary.

8.Gently insert the new battery into the battery compartment. Check the polarity of the battery. The "+" mark should point toward the top of the compartment and the "-" mark towards the bottom.

NOTE	It is imperative that you wait at least 30 seconds before re-in-
	stalling the transmitter battery.

When the battery is re-installed, the transmitter sends an overpressure (“---“) signal on code 12 for 10 seconds, after which it goes to normal operation, and shuts down after 5 minutes.

9.Check that the new lubricated O-ring is in good condition. Put it in the right position in the O-ring groove. Be very careful not to get any dirt on the O-ring or its sealing surfaces.

10.Carefully put the transmitter cover into place. Note that the cover will only fit in one position. Match the three slots on the inside of the cover with the three ledges below the battery.

11.Screw the four screws back into place.

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