[. . . ] 13 Replacing the earpads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Replacing the wind shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Accessories and spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Connector ¼" (6. 35 mm) jack plug 5. 25 mm jack plug Connecting a mobile telephone The 2. 5 mm jack socket allows you to connect a mobile telephone. For this purpose, the microphone plug must be connected to the aircraft radio/intercom. A suitable adapter for your mobile telephone with 2. 5 mm jack socket is available from your Sennheiser agent. Making telephone calls or operating the mobile telephone limits your attention and may cause accidents. for connection to the headphone output microphone input
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Note: For the latest list of compatible mobile telephones, please refer to the "Cell Phone Compatibility" section on our website at www. sennheiser. com. Search under "Products", "Aviation" and "more info . . . ". Connect the audio cable to the 2. 5 mm jack socket on the operating control and to the corresponding jack socket on your mobile telephone. You can adjust the volume of the mobile telephone via the headset's operating control. However, the functions of the mobile telephone cannot be controlled via the headset's operating control. Set the headset to mono mode (see "Switching between mono and stereo mode" on page 9). Operate your mobile telephone as usual and observe the manufacturers instructions. Audio from the mobile telephone and from the intercom are heard simultaneously through the headset.
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Connecting an additional audio player The 3. 5 mm jack socket allows you to connect and listen to an additional audio player (e. g. accident due to reduced
Listening to music or operating an audio device limits your attention and may cause accidents. During flight operation, do not use the headset for listening to additional audio sources!Connect the audio cable to the 3. 5 mm jack socket on the operating control and to the corresponding jack socket on your audio player. Audio from the additional audio source and from the intercom are heard simultaneously through the headset.
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Adjusting the microphone sensitivity The microphone sensitivity has been factory pre-set to 40 mV/Pa as per RTCA DO-214.
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To change the input sensitivity of the microphone: Use a suitable slotted screwdriver. Turn the microphone sensitivity control ³ as shown.
Switching between mono and stereo mode The mono/stereo switch allows you to switch between mono and stereo mode, depending on the intercom system. Set the mono/stereo switch k mono k stereo k to the desired position:
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Using the headset
Attaching the cable clip The cable clip ² allows you to attach the headphone cable · to your clothing so that the cable doesn't hinder or distract you. Attach the cable clip ² to your clothing.
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·
Adjusting the headset Wear the headset so that the microphone boom » is on the left side of the mouth (see right/left labeling on the headband joints), the headband ´ runs over the top of your head. Adjust the length of the headband so that your ears are completely inside the earpads ¿, you feel even, gentle pressure around your ears, a snug fit is ensured. [. . . ] Carefully pull the wind shield ¾ from the microphone.
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Slide-on the new wind shield ¾ and ensure that it fits securely over the microphone.
Specifications
General data Weight without cable Temperature range (operation) Temperature range (storage) Cable length Headphone connector Microphone connector Additional features approx. 275 g -10 to +55 °C -55 to +55 °C 1. 85 m ¼" (6. 35 mm) jack plug 5. 25 mm jack plug mono/stereo switch, line input mobile telephone input peak level protection
Headphones Transducer principle Ear coupling Frequency response dynamic, closed circumaural 828, 000 Hz
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Nominal impedance Sound pressure level THD at 94 dB SPL Attenuation Contact pressure Microphone incl. preamplifier Type Transducer principle Frequency response Output voltage stereo mono
225 mono 300 stereo 100 dB at 1 kHz, 1V 97 dB at 1 kHz, 1 V <1% 1334 dB passive attenuation approx. 5 N
MKE 46 pre-polarized condenser microphone, noise-compensating 3506, 000 Hz 40 mV/Pa (factory pre-set) = 400 mV at 114 dB SPL (adjustable from 17100 mV/Pa) 1502, 200 816 V DC
Terminating impedance Supply voltage
Connector assignment ¼" (6. 35 mm) jack plug 5. 25 mm jack plug
1 Audio Hi left 2 Audio Hi right 3 Audio Lo
1 not assigned 2 Microphone Hi 3 Microphone Lo
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Accessories and spare parts
Cat. [. . . ]