Field preparation
- Replace gas supply. Make sure the connections are clean and dry before installing a new gas supply.
- Check that the dosage selector is set to the position that corresponds to a new gas supply and the planned dive.
- Place the IS-MIX on its end and attach the canister lid and then use the canister.
- Dry the canister housing if necessary. Check that the O-rings on the canister sleeve and canister lid are correctly fitted and that the canister lid is dry. Fit a new canister and then the canister lid .
- Check tightness in accordance with section Check of reserve gas valve and tightness of IS-MIX on page 77.