-01B Boom Microphone A - 0 May be inoperative provided: | (For an operator other than Associated hand microphone is | a holder of an Air Carrier or installed and operative, and | Commercial Operator Repairs are made in accordance | Certificate) with 14 CFR. | -02 Headset Earphones / C - 1 May be inoperative provided associated | Headphones cockpit overhead communication speaker | is operative. | -03 Active Noise Reduction D - 0 May be inoperative provided normal | *** (ANR) Function audio function of headset is operative. | -04 Powered Headset System D - 0 May be inoperative provided | *** (Units -0001 thru -0500) powered headset jack is operative or | headset is not used. | -04 Powered Headset System D - 0 May be inoperative provided | (Units -0501 and on) headset jack is operative or | headset is not used. | -50-06 Cockpit Headset C 2 0 May be inoperative provided: | System Both cockpit overhead | communication speakers are | used, and | Headset audio system is not | required by 14 CFR or | procedures. | -50-07 Push-to-talk (PTT) Switch | (Failed deselected) | -01 Yoke Switch B 2 1 (O) One may be inoperative provided | alternate procedures are established and | used for transmitting. | -03 Remote Pedestal Switch C - 0 | *** (Units -0001 thru -0500) |
-01B Boom Microphone (For an operator other than a holder of an Air Carrier or Commercial Operator Certificate) A - 0 May be inoperative provided: Associated hand microphone is installed and operative, and Repairs are made in accordance with 14 CFR. | | | | | -02 Headset Earphones / Headphones C - 1 May be inoperative provided associated cockpit overhead communication speaker is operative. | | | -03 *** Active Noise Reduction (ANR) Function D - 0 May be inoperative provided normal audio function of headset is operative. | | -04 *** Powered Headset System (Units -0001 thru -0500) D - 0 May be inoperative provided headset jack is operative or headset is not used. | | | -04 Powered Headset System (Units -0501 and on) D - 0 May be inoperative provided headset jack is operative or headset is not used. | | | -50-06 Cockpit Headset System C 2 0 May be inoperative provided: Both cockpit overhead communication speakers are used, and Headset audio system is not required by 14 CFR or procedures. | | | | | | | -50-07 Push-to-talk (PTT) Switch (Failed deselected) | | -01 Yoke Switch B 2 1 (O) One may be inoperative provided alternate procedures are established and used for transmitting. | | | -03 *** Remote Pedestal Switch (Units -0001 thru -0500) C - 0 | | powered
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