| Bit | Name | Assignment | Function |
|---|---|---|---|
| 0x80 | - | Camera Power | 1=ON |
| 0x40 | - | Video DAC Enable | 1=enabled |
| 0x20 | - | System Aux 2 | turned on by the Get Out of Town ISR turned off by the Image Stored ISR |
| 0x10 | - | System Aux 1 | toggled during the vertical sync interrupt |
| 0x08 | - | Not Assigned | - |
| 0x04 | - | Not Assigned | - |
| 0x02 | - | RAM B Enable | 1=enabled |
| 0x01 | - | RAM A Enable | 1=enabled |