HME 95 Headset for general aviation Instruction manual
Contents Important safety instructions ...................................................2 Delivery includes ..........................................................................3 The HME 95 headset ...................................................................4 Operating elements .....................................................................5 Preparing the headset for use ..................................................6 Connecting the headset ...........................................
Important safety instructions • Please read these instructions carefully and completely before using the headset. • Make these instructions easily accessible to all users at all times. Always include these instructions when passing the headset on to third parties. • During flight operation, do not use the headset for telephone calls. • The headset is capable of producing sound pressure levels exceeding 85 dB(A).
Intended use of the headset Intended use includes: • having read these instructions, especially the chapter “Important safety instructions” on page 2, • using the headset within the operating conditions and limitations described in this instruction manual. Improper use means using the headset other than as described in these instructions, or under operating conditions which differ from those described herein.
The HME 95 headset The HME 95 headset features closed, dynamic, circumaural stereo headphones.
Operating elements 햴 쐋 Headset Operating control integrated in the cable Microphone sensitivity control Cable with microphone plug, 5.25 mm jack plug Headset cable Microphone boom Earpads Headband Cable with headphone plug, ¼” (6.35 mm) jack plug 3.5 mm jack socket for connecting an additional audio player (3-pin) 2.
Preparing the headset for use Connecting the headset The headset’s operating control features two cables with one jack plug each. 왘 Connect the headset to the corresponding sockets of your intercom. Connector for connection to the ¼” (6.35 mm) jack plug headphone output 5.25 mm jack plug microphone input Connecting a mobile telephone The 2.5 mm jack socket (3-pin) allows you to connect a mobile telephone. For this purpose, the microphone plug must be connected to the aircraft radio/intercom.
왘 Connect the audio cable to the 2.5 mm jack socket (3-pin) on the operating control and to the corresponding jack socket on your mobile telephone (4-pin). 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. 왘 Set the headset to mono mode (see “Switching between mono and stereo mode” on page 8).
왘 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. 햴 Adjusting the microphone sensitivity The microphone sensitivity has been factory pre-set to 80 mV/Pa as per RTCA DO-214. To change the input sensitivity of the microphone: 왘 Use a suitable slotted screwdriver.
Using the headset Attaching the cable clip The cable clip allows you to attach the headset cable to your clothing so that the cable doesn’t hinder or distract you. 왘 Guide the headset cable through the cable clip . 왘 Attach the cable clip to your clothing. Adjusting the headset 왘 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.
왘 Bend the microphone boom so that the microphone is placed at the corner of the mouth. Maintain a distance of approx. 2 cm between microphone and mouth. 쐋 Adjusting the volume CAUTION! Hearing damage due to high volume levels! The headset is capable of producing high sound pressure levels. Higher volumes or longer durations can damage your hearing! 왘 Adjust the volume to a medium level. Make sure that you can hear critical sounds such as warning alarms.
Folding up the headset For space-saving transportation, the headset can be folded up in different ways: To fold up the headphones as flat as possible: 왘 Rotate the earcups by 90° and turn the microphone boom flat as shown. To fold up the headphones as compact as possible: 왘 Tuck the earcups between the headband as shown. For safe transportation of the headset, use the supplied soft case and fold the headset as follows: 왘 Rotate the earcups by 90°. 왘 Turn the microphone boom flat as shown.
Care and maintenance CAUTION! Liquids can damage the electronics of the headset! Liquids entering the housing of the headset can cause a short-circuit and damage the electronics. 왘 Only use a soft, slightly damp cloth to clean the headset. Do not use any solvents or cleansing agents. 왘 Use a soft, slightly damp cloth to clean the headset from time to time. Replacing the ear pads You can replace the ear pads. Spare ear pads are available as accessories.
왘 Attach the ear pad so that the side with the thicker padding points downwards as shown. 왘 Press the new ear pad onto the ear cup until it clicks audibly into place. Repeat for the other ear cup. Replacing the wind shield You can replace the wind shield. The HME 95 is supplied with a spare wind shield. 왘 Carefully pull the wind shield from the microphone. 왘 Slide-on the new wind shield and ensure that it fits securely over the microphone.
Specifications General data Weight without cable approx. 275 g Temperature range (operation) -10 to +55 °C Temperature range (storage) -55 to +55 °C Cable length 1.85 m Headphone connector ¼” (6.35 mm) jack plug Microphone connector 5.
Microphone incl. preamplifier Type BKE 46 Transducer principle pre-polarized condenser microphone, noise-compensating Frequency response 350–6,000 Hz Output voltage 80 mV/Pa (factory pre-set) = 800 mV at 114 dB SPL (adjustable from 17–100 mV/Pa) Terminating impedance 150–2,200 Ω Supply voltage 8–16 V DC Connector assignment ¼” (6.35 mm) jack plug 5.
Manufacturer declarations Warranty Sennheiser electronic GmbH & Co. KG gives a warranty of 36 months on this product. For the current warranty conditions, please visit our website at www.sennheiser.com or contact your Sennheiser partner. CE Declaration of Conformity This equipment is in compliance with the essential requirements and other relevant provisions of Directive 2004/108/EC. The declaration is available at www.sennheiser.com.
Sennheiser electronic GmbH & Co. KG Am Labor 1, 30900 Wedemark, Germany www.sennheiser.com Printed in China, Publ.
