## 21

| Call-Up | Cont | Unit   | Comment               |
| ------- | ---- | ------ | --------------------- |
| COT     | ACSC | DEG C  | Pack Comp Outlet Temp |
| PDC     | CPC  | PSI    | Cabin Diff Pressure   |
| VSCB    | CPC  | ft/min | Cabin v/s             |
| OVP     | CPC  | %      | Outflow VLV Pos       |