11
1.
Remove the vacuum valve cap.
2.
Make sure the vacuum release ring is
at its closed position by turning it
clockwise until it cannot go any
further.
5.
Please ensure that the cap is attached back to the vacuum valve before going underwater.
6.
Vacuum can be released by turning the vacuum release ring anti-clockwise.
To b
uild up vacuum
Caution:
Please DO NOT attempt to go over the designated vacuum level, i.e. stop pumping when
the LED turn green. Excessive vacuum level may lead to the malfunctioning of the camera and lens.
Attention:
Although the vacuum indicator is designed to compensate for a certain amount of
temperature variation, it is recommended to conduct the vacuum test in an environment where
the temperature is stable.
4.
After the target vacuum level is reached, i.e. steady green light. It is recommended to leave
the housing for at least 20mins to ensure it is sealed. If the LED light changes from steady
green light to
rapidly flashing yellow light, that means there is a leakage and please check
every o-ring and conduct the vacuum test again.
Seal
Release
3.
After the target vacuum level is reached, i.e. steady green light. It is recommended to
leave the housing for at least 20mins to ensure it is sealed. If the LED light changes from
steady green light to
rapidly flashing yellow light, that means there is a leakage and please
check every o-ring and conduct the vacuum test again.
