Protocol scope and method
The output names common standardized bits and preserves unknown set bits by their bit number.
Set flags = every bit i where alarmWord & (1 << i) is nonzero.
Common questions
Does the JT/T 808 Alarm Flag Decoder leave my browser?
No application upload is used. Avoid putting sensitive production data in shareable URLs.
Is this a standards compliance test?
No. Confirm the edition and vendor profile with licensed documents and your target platform.
Offline diagnostic aid. Verify fields, version and vendor extensions before production use.