Canon 350D user manual Use & Care of Housing Pre Dive Function Check, Cleaning & Storage

5. Use & Care of Housing:

5.1 Pre Dive Function Check.

Just before entering the water, make a habit of reviewing that you have carried out the proper steps to close the housing. and the pressure release plug screwed home. Make a visual check of the O-ring seal. It is also useful to switch on the camera, and check that controls e.g. on/off, zoom, shutter functions operate normally.

•Check housing is closed.

•Close pressure release plug

•Check battery and memory card status on the LCD display.

•Check control knob and zoom function.

If there is a large change of temperature and the housing is not opened for maintenance between dives, it is recommended to equalize the possible pressure difference between the inside of the housing and the ambient by opening the pressure release plug and close it firmly subsequently.

Always avoid submerging the housing in hot water for a prolonged time or a cleansing tank where the water may be heated up by the sun.

5.2 General Operation.

The control levers and push buttons consist of internal double O-ring seals on a stainless steel shaft. This arrangement is very reliable, however as a precaution, when operating the controls, avoid excessively rapid movements, as this may distort the O-ring. Also please allow for the fact that the camera takes a few seconds to power on. If the camera dose not appear to respond to a control action, make sure that no other controls are pressing on the camera, i.e. locking out further actions. Wear the wrist strap; it is easy to inadvertently let go of the housing, especially if you are distracted.

5.3 Cleaning & Storage.

The body & lid of the housing are made of polycarbonate. Polycarbonate was selected for its outstanding strength stiffness, hardness and toughness. As well as its crystal clear transparency and high gloss surface. It has good resistance to weathering, although long- term exposure to sunlight should be avoided. Normal operating temperature range is 3°C to 36°C (Storage temperature: -10°C to 50°C)

It is good practice to rinse off your housing with fresh water after every dive. Avoid exposure to fine sand. After a series of 10 or more dives, e.g. after a dive holiday, it is recommended to immerse the housing for 2-3 hours in warm water to dissolve any salt

10 8/6/2006