SM21 Rev. 4.10 AA12 Compact Audio Controller ManualInputs: 6 Standard HI Z MICs(250 mVrms for full output)1 Music (3 Vp-p, 600 Ω input Z)7 Radio (2.5 Vrms, 1 kΩ input Z)1 ICS Key (ground seeking)1 ICS Tie Line (ICS expansion)2 TX Keys (ground seeking)1 Direct AudioOutputs: 6 HI Z Headsets (150–600 Ω)4 Transmitter MIC/Key/Lo1.4.2 Physical SpecificationsHeight: 1.1” (28.5 mm)Length: 5.8” (146.1 mm) behind panelWidth: 5.8” (146.1 mm) in front of panel4.9” (124.5 mm) behind panelWeight: 1.0 lb (450 g)Mounting: AA12 - Panel mount, Dzus fasteners (4)AA12T - Tray Mount1.4.3 Environmental SpecificationsOperating Temperature: -40 °C to +70 °CStorage Temperature: -55 °C to +85 °CAltitude: 25,000’Humidity: 95% Non-condensingSep 9, 2004 Page 1-3ENG-FORM: 800-0107.DOTCONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.