Instruction/ maintenance manual of the product SET100 Sennheiser
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Headset HME 100 HME 105 HME 120 HMD 120 25 Instructions for use.
26 Contents Safety tips ...................................................................................................... 27 Headset features ................................................................................................ 28 Product variants .
27 The HME 100, HME 105, HME 120 and HMD 120 are pilot headsets with closed ear protector headphones for use in helicopters, propeller and turboprop aircraft. Safety tips • When using a headset, typical aircraft sounds (for example, those from engines, propellers, warning alarms, etc.
28 Headset featur es HME 100 headset • New passive headset with excellent noise attenuation • Excellent comfort due to very low weight, soft ear cushions and padded headband as well as best possib.
29 Product variants HME 105 headset The HME 105 differs from the HME 100 in the following features: • No Mono/Stereo switch • Connection of headphones and microphone via XLR-5 plug HME 120 headset.
30 HMD 120 headset The HMD 120 differs from the HME 100 in the following features: • No Mono/Stereo switch • Coiled cable • M-87/AIC dynamic microphone and low impedance headphones • Connectio.
31 Delivery includes HME 100, HME 105 and HME 120 headsets • Headset • Padded carry and storage bag with shoulder strap for headset and accessories • Wind screen for microphone • Cable clip MZQ 2002-1 (Cat.
32 Pr eparing the headsets for use Connecting the headsets HME 100 headset: 1 1 / 4 ” (6.35 mm) stereo jack plug for connecting the headphones 1 PJ-068 jack plug for connecting the microphone 씰 Connect the 1 / 4 ” (6.
33 Connecting cable for 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.
34 Adjusting the headband For good noise attenuation and best possible comfort, the headband has to be adjusted to properly fit your head: 씰 Wear the headset so that the headband runs over the top of your head.
35 Positioning the microphone Relocating the microphone boom The microphone boom can be worn on either side of the mouth. 씰 Loosen the quick-fixing device.
36 For positioning the microphone of the HMD 120 headset, proceed as follows: 씰 Adjust the length of the microphone boom 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.
37 Using the headsets Mono/Stereo selection (HME 100 only) In general, you‘ll receive a mono sound source so that the Mono/Stereo switch can remain set to ‘Mono’.
38 Mic Gain Adjustment Adjusting the microphone gain According to JTSO approval C58a, the microphone output voltage is factory-preset to 400 mV. If the microphone output voltage is too high or too low for your intercom system, it can be re-adjusted on the microphone.
39 Additional information for helicopter use of the HME 120 headset The polarity of the microphone connection in helicopters is not standardized. If the microphone of your headset does not work with the existing polarity, you can reverse the polarity on the headset by simply rotating the microphone module.
40 Spar e parts The following spare parts are available from your Sennheiser agent: • Wind screen for MKE 45-1 electret microphone • Cable clip • Carry and storage bag with shoulder strap • Ea.
41 3 1 2 23 1 1 2 3 4 4 2 1 3 solder side 5 U174/U jack plug 1 Microphone 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.
42 In case of dif ficulty If problems occur that are not listed in the below table, please contact your Sennheiser agent. Possible cause and what to do You are using a stereo intercom system but the headset is set to mono operation. 씰 Set the Mono/Stereo switch to ‘Stereo’.
43 Possible cause and what to do Re-adjust 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.
44 T echnical data HME 100 HME 105 and HME 120 HMD 120 Headphones Transducer principle dynamic Ear coupling circumaural, closed Frequency response 45–15,000 Hz Nominal impedance 150 Ω , mono, 300 Ω , stereo 150 Ω , mono 16 Ω , mono Attenuation > 10–40 dB Contact pressure approx.
45 HME 100 HME 105 HME 120 HMD 120 Supply voltage typ. 16 V DC typ. 16 V DC typ. 16 V DC – (8–16 V DC, (8–16 V DC, (8–16 V DC, approx. 8–25 mA approx. 8–25 mA approx. 8–25 mA as per RTCA/DO 214) as per RTCA/DO 214) as per RTCA/DO 214) General Data Connecting cable 1.
46 Certificate of Conformity Sennheiser electronic GmbH & Co. KG declare that this device conforms to the applicable CE standards and regulations. For up-to-date information on Sennheiser products, you can also visit the Sennheiser Web site at “http://www.
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.
An important point after buying a device Sennheiser SET100 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sennheiser SET100 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sennheiser SET100 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sennheiser SET100 you will learn all the available features of the product, as well as information on its operation. The information that you get Sennheiser SET100 will certainly help you make a decision on the purchase.
If you already are a holder of Sennheiser SET100, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sennheiser SET100.
However, one of the most important roles played by the user manual is to help in solving problems with Sennheiser SET100. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sennheiser SET100 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
