Objective: At regular intervals during the dive, check your SPG and computer.
Value: Monitoring your SPG will ensure that you always have enough gas to complete the dive and comfortably ascend to the surface. Monitoring your computer or depth timer will ensure that you remain within your no-decompression limits.
How It’s Done:
- Air/gas supply and...
- Depth and...
- Allowable dive time (dive computer).