| Mode | How to activate | Behavior | |--------------|-------------------------------|-----------------------------------------| | | Default after power-up | Executes stored program | | STOP | Press ESC for 3 seconds | Halts outputs, keeps inputs reading | | PROGRAM | Via PC software | Allows editing without execution | | MANUAL | MENU → Manual → Select output | Force output ON/OFF (safety overridden) |
Look at the physical side or back panel of your ES99 controller. The sticker typically shows: