MIL-PRF-0032381A, PERFORMANCE SPECIFICATION: ACOUSTIC HAILING DEVICE (LIGHT) (17-NOV-2015) [USED IN LIEU OF MIL-PRF-32381 (20-MAY-2011)]

MIL-PRF-0032381A, PERFORMANCE SPECIFICATION: ACOUSTIC HAILING DEVICE (LIGHT) (17-NOV-2015) [USED IN LIEU OF MIL-PRF-32381 (20-MAY-2011)]., This specification describes the performance requirements and verification procedures for the Acoustic Hailing Device, (Light) hereafter referred to as the AHD. The term AHD will be used when requirements or verifications apply to the entire system. The individual component name will be used for requirements or verifications that are unique to that part. The AHD is a military unique system that will allow for long range acoustic hailing and warning using an input microphone and/or input audio devices that facilitate the use of pre-recorded warning tones and voice messages, as well as spontaneous voice commands.