The alarm LED indication can be disabled in the device settings. The option is supported by all Ajax intrusion detectors with the following firmware versions:
| Detector model | Firmware version |
| DoorProtect Jeweller DoorProtect Plus Jeweller GlassProtect Jeweller MotionProtect Jeweller MotionProtect Plus Jeweller CombiProtect Jeweller MotionProtect Outdoor Jeweller |
5.55.0.0 and later |
| MotionProtect Curtain Jeweller | 6.53.1.1 and later |
| All other intrusion detectors | all firmware versions |