| 00 | How much credit has been used up. |
| 01 | How much of your last top-up is being used to pay off debt on your meter. |
| 02 | How much of your last top-up is being used to pay back any emergency credit you might have used. |
| 03 | How much of your last top-up is being used to pay for your gas supply. |
| 09 or 10 | Price you pay per unit of gas. |
| 17 | Your standing charge (per day). |
| 21 | How low your credit needs to fall before you can access your emergency credit. |
| 22 | How much emergency credit you can access. |
| 24 | What percentage of credit will be used to pay back the money you owe. |