Depending on your reg this is a simple spanner job. You unscrew the DIN barrel and replace it with the A clamp version.Luke284 said:i do agree that DIN is technically a better system, however i have A-clamp as i dive in areas where this is more common. if i dived mainly in the UK or any other DIN mainstream country then i would get my regs converted to DIN.
He's undergoing initial training with a BSAC clubcleanbluesky - it may be useful to let us know where, how often you dive etc. and where you see your diving going in the future.