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Headset

HME 100
HME 105
HME 120

HMD 120

25

Instructions for use

Summary of Contents for HME 100

Page 1: ...Headset HME 100 HME 105 HME 120 HMD 120 25 Instructions for use ...

Page 2: ...ositioning the microphone 35 Using the headsets 37 Mono Stereo selection HME 100 only 37 Adjusting the volume 37 Adjusting the microphone gain 38 Folding up the headphones 38 Additional information for helicopter use of the HME 120 headset 39 Spare parts 40 Replacing the wind screen 40 Replacing the ear cushions 40 Connector assignment 41 Troubleshooting 42 Technical data 44 ...

Page 3: ...le wearing a headset you can hear and recognize these sounds Set the volume to safe levels that do not interfere with your ability to hear informational sounds and warning alarms Do not attempt to repair the headset yourself If problems occur contact your Sennheiser agent for assistance Only replace parts of the headset whose replacement is described in this manual All other parts of the headset m...

Page 4: ... storage Clear communications due to MKE 45 1 electret microphone with adjustable sensitivity sensitivity adjustment must be carried out by authorized personnel Microphone can be easily positioned and worn on either left or right side due to flexible microphone boom with quick fixing device Optimum radio reception due to headphone systems with wide frequency response Integrated volume control Adap...

Page 5: ...tures No Mono Stereo switch Connection of headphones and microphone via XLR 5 plug HME 120 headset The HME 120 differs from the HME 100 in the following features No Mono Stereo switch Coiled cable ConnectionofheadphonesandmicrophoneviaU 174 Ujackplugtoahighimpedance interface in the helicopter ...

Page 6: ...rom the HME 100 in the following features No Mono Stereo switch Coiled cable M 87 AIC dynamic microphone and low impedance headphones Connection of headphones and microphone via U 174 U jack plug to a low impedance interface in the helicopter ...

Page 7: ...houlder strap for headset and accessories Wind screen for microphone Cable clip MZQ 2002 1 Cat No 4470 HMD 120 headset Headset Padded carry and storage bag with shoulder strap for headset and accessories Cable clip MZQ 2002 1 Cat No 4470 Recommended Accessories Replaceable gel ear cushions Cat No 83140 ...

Page 8: ...onnect the 1 4 6 35 mm stereo jack plug for the headphones and the PJ 068 jack plug for the microphone to the corresponding jack sockets of your intercom HME 105 headset 1 XLR 5 plug for connecting the headphones and the microphone 씰 Connect the XLR 5 plug for the headphones and the microphone to the XLR 5 socket of your intercom Connecting cable for HME 100 Connecting cable for HME 105 ...

Page 9: ...HME 120 and HMD 120 HME 120 and HMD 120 headsets 1 U 174 U jack plug for connecting the headphones and the microphone 씰 Connect the U 174 U jack plug for the headphones and the microphone to the U 174 U socket of your intercom ...

Page 10: ...band runs over the top of your head 씰 Adjust the length of the headband so that your ears are completely inside the ear cushions you feel even gentle pressure around your ears a snug fit is ensured Note Make sure not to squeeze any connecting cable when adjusting the headband Squeezing can damage the connecting cables 씰 Final adjustment is best made in a noisy environment ...

Page 11: ... 씰 Rotate the microphone boom by 180 씰 Tighten the quick fixing device Positioning the microphone towards the corner of the mouth The HME 100 HME 105 and HME 120 headsets feature a flexible microphone boom 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 ...

Page 12: ...oom so that the microphone is placed at the corner of the mouth To do so loosen the quick fixing device and adjust the microphone boom in length 씰 Pull the middle part of the microphone boom towards the mouth so that the distance between microphone and mouth is approx 2 cm 씰 Tilt the microphone for final positioning ...

Page 13: ...eo intercom system set the headset to stereo operation Remove the ear cushion 쏅 Replacing the ear cushions from the earcup with the micro phone boom attached and set the Mono Stereo switch to Stereo Adjusting the volume Exposure to loud sounds can cause hearing damage Set the volume control to a medium value Make sure that you can hear critical sounds such as warning alarms ...

Page 14: ...com system it can be re adjusted on the microphone To do so use a small slotted screwdriver and turn the Mic Gain Adjustment screw see illustration on the left until you have reached the desired setting Folding up the headphones Foreasyandspace savingtransportation theearcupscanbefoldedupandtucked between the headband Unfold the headphones by grasping both earcups and pulling them down and away fr...

Page 15: ...do so please proceed as follows 1 Pull the wind screen from the microphone 2 Loosen the screws by approx half a turn 3 Pull the microphone module from the boom arm 4 Rotate the microphone module by 180 5 Put the rotated microphone module back into the boom arm 6 Now tighten the screws from the other side 7 Slide the windscreen over the microphone Rotating the microphone module does not change its ...

Page 16: ...e shows signs of wear such as tears or holes replace the wind screen Pull the wind screen from the microphone Gently slide on the new wind screen and ensure that it fits securely over the microphone Replacing the ear cushions Replace the ear cushions if they are damaged Grasp behind the ear cushions and pull them up and away from the earcups Slide the new ear cushions onto the earcups For best res...

Page 17: ...ne Lo 2 Audio Hi 3 Microphone Hi 4 Audio Lo PJ 068 jack plug 1 Not assigned 2 Microphone Hi 3 Microphone Lo 1 4 6 35 mm stereo jack plug 1 Audio Hi left 2 Audio Hi right 3 Audio Lo Connector assignment XLR 5 connector 1 Audio Hi 2 Audio Lo 3 Microphone Hi 4 Microphone Lo 5 ...

Page 18: ...o source but the headset is set to stereo operation 씰 Set the Mono Stereo switch to Mono The volume control is set too low 씰 Check the volume setting of the headset The headphone connection has been pulled out 씰 Check to see if the headphone jack plug is correctly connected The microphone connection has been pulled out 씰 Check to see if the microphone jack plug is correctly connected Problem Commu...

Page 19: ... the output voltage on the microphone 씰 To do so use a small slotted screwdriver and turn the Mic Gain Adjustment screw see illustration on page 38 until you have reached the desired setting Problem Microphone output voltage too high or too low ...

Page 20: ...e approx 10 N Microphone incl preamplifier Transducer principle electret mic capsule electret mic capsule dynamic noise compensated noise compensated noise compensated MKE 45 1 MKE 45 1 M 87 AIC Frequency response 300 5 000 Hz 300 5 000 Hz 500 4 000 Hz Sensitivity 1 8 4 µV 74 dB bei 5 Ω Max sound pressure level 120 dB 120 dB Min terminating impedance 150 Ω 150 Ω Output voltage 400 mV 3dB 400 mV 3d...

Page 21: ...eral Data Connecting cable 1 5 m coiled cable unilateral unilateral Weight without cable 350 g Connectors 6 35 mm stereo jack plug XLR 5 for U 174 U jack plug for U 174 U jack plug for for headphones headphones and headphones and headphones and PJ 068 jack plug for microphone microphone microphone microphone Controls Mono Stereo switch Volume control for headphones Temperature range Operation 15 C...

Page 22: ...mity Sennheiser electronic GmbH Co KG declare that this device conforms to the applicable CE standards and regulations Forup to dateinformationonSennheiserproducts youcanalsovisittheSennheiserWebsiteat http www sennheiser com ...

Page 23: ...136 Sennheiser electronic GmbH Co KG Telefon 05130 600 0 D 30900 Wedemark Telefax 05130 600 300 Printed in Germany Publ 01 03 83566 A02 ...

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