Installation of P2 Incorporated 6600 Audio Advisory system (310Q Up thru S/N 310Q401 and s/n 310Q 402 thru 310Q601, 337G S/N 33701672 and up, T337G S/N P3370226 and up) View PDF on drs.faa.gov ↗

The STC PDF is authoritative: installation instructions, ICA requirements and limitations.