Page 2 - Important safety information; Preventing health problems and accidents; noise compensation switched on,
Important safety information HMEC 26-2 | 1 Important safety information 왘 Please read this instruction manual carefully and completely before using the product. 왘 Always include this instruction manual when passing the product on to third parties. 왘 This instruction manual is also available on the I...
Page 3 - NoiseGard; switched on, you can hear and recognize
Important safety information 2 | HMEC 26-2 NoiseGard TM switched on, 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. 왘 The product is capable of producing sound pressure exceeding 85 dB(A)...
Page 4 - Intended use
Important safety information HMEC 26-2 | 3 Intended use Intended use of the product includes • having read and understood this instruction manual, especially the chapter “Important safety information” on page 1, • using the product within the operating conditions and limitations described in this in...
Page 5 - The HMEC 26-2 headset; Features; Lightweight
The HMEC 26-2 headset 4 | HMEC 26-2 The HMEC 26-2 headset The HMEC 26-2 headset with NoiseGard™ professional active noise compensation features dynamic, closed headphones. The noise-compensating condenser microphone ensures excellent speech transmission even in noisy environments. Designed for use i...
Page 6 - Package contents
Package contents HMEC 26-2 | 5 • With NoiseGard™ switched off, the headset can be used as a conventional headset • Power supply for NoiseGard™ from aircraft DC power supply system (on suitably equipped aircraft) or batteries/rechargeable batteries • “Auto shut-off” extends battery life • TalkThrough...
Page 7 - Operation; Putting on the headset
Operation 6 | HMEC 26-2 Operation Putting on the headset When putting on the headset, the patented two-piece headband adjusts automatically. Flipping away one earcup The headset features a “flip-away” earcup for single-sided listening.
Page 8 - Positioning the microphone
Operation HMEC 26-2 | 7 Positioning the microphone Bend the flexible microphone boom so that the microphone is placed at the corner of the mouth. Maintain a distance of 2 cm between microphone and mouth. Always use the supplied wind and pop screen. Turning the microphone boom The microphone boom can...
Page 9 - Adjusting the volume directly on the audio system
Operation 8 | HMEC 26-2 Adjusting the volume directly on the audio system Connect the headset to the corresponding sockets of your audio system. Adjust the volume directly on the audio system. Adjusting the microphone sensitivity Turn a small screwdriver in the direction of the arrow to change the m...
Page 10 - The control units of the HMEC 26-2; Control unit
The control units of the HMEC 26-2 HMEC 26-2 | 9 The control units of the HMEC 26-2 Control unit I 1 Volume controls 2 LED 3 NoiseGard™ ON / OFF switch 4 Mono/stereo switch / 5 BOOM switch L / R 6 3.5 mm jack socket 7 Battery compartment 8 2.5 mm jack socket Headset with control unit I Operating ele...
Page 11 - LED; II
The control units of the HMEC 26-2 10 | HMEC 26-2 Control unit II 2 LED 3 NoiseGard™ ON / OFF switch Headset with control unit II Operating element 1 2 3 4 5 6 7 8 Cable -CP Cable -CP-2 Cable -KP Cable -KP-2 Cable -NP Cable -RP-2 Cable -DP-2
Page 12 - Using the headset; Switching NoiseGardTM on/off
Using the headset HMEC 26-2 | 11 Using the headset Switching NoiseGard™ on/off The NoiseGard™ ON / OFF switch 3 allows you to switch the NoiseGard™ active noise compensation on or off. With NoiseGard™ switched off, the headset can be used as a conventional headset. 왘 Set the NoiseGard™ ON / OFF swit...
Page 13 - Adjusting the volume
Using the headset 12 | HMEC 26-2 Adjusting the volume The two slide volume controls 1 allow you to adjust the volume for the left and right channel separately. Switching between mono and stereo mode The mono/stereo switch 4 allows you to switch between mono ( ) and stereo ( ) mode, depending on the ...
Page 14 - Powering NoiseGardTM via two (rechargeable) batteries
Using the headset HMEC 26-2 | 13 Powering NoiseGard™ via two (rechargeable) batteries 왘 Insert two 1.5 V AA alkaline batteries (IEC LR 6) or two 1.2 V AA rechargeable batteries (IEC LR 6). Observe correct polarity when inserting the batteries. The operating time with batteries/rechargeable batteries...
Page 15 - Set the switch to the position
Using the headset 14 | HMEC 26-2 왘 Set the switch to the position ASO . Switching the TalkThrough function on/off (HMEC 26-2-T only) The headset provides excellent attenuation of ambient noise. In order to allow you to communicate undisturbed with your surroundings while wearing the headset, the HME...
Page 16 - Connecting a mobile telephone
Using the headset HMEC 26-2 | 15 Connecting a mobile telephone The 2.5 mm jack socket 8 allows you to connect a mobile telephone. For this purpose, the NoiseGard™ active noise compensation must be switched on and the microphone connector must be connected to the aircraft radio/audio. A suitable adap...
Page 17 - Connecting an additional audio player
Using the headset 16 | HMEC 26-2 왘 Connect the audio cable to the 2.5 mm jack socket 8 on the control unit I and to the corresponding jack socket on your mobile telephone. You can adjust the volume of the mobile telephone via the headset’s control unit. However, the functions of the mobile telephone...
Page 18 - Connect the audio cable to the 3.5 mm jack socket
Using the headset HMEC 26-2 | 17 왘 Connect the audio cable to the 3.5 mm jack socket 6 on the control unit I and to the corresponding jack socket on your audio player. Attaching the belt clip The belt clip allows you to attach the control unit to the seat belt so that the control unit doesn’t hinder...
Page 19 - Attaching the cable clip
Using the headset 18 | HMEC 26-2 Attaching the cable clip The cable clip allows you to attach the headphone cable to your clothing so that the cable doesn’t hinder or distract you. 왘 Loop the cable through the clip so that the headphone cable doesn‘t hinder you.
Page 20 - Care and maintenance; Cleaning and maintaining the headset
Care and maintenance HMEC 26-2 | 19 Care and maintenance Cleaning and maintaining the headset 왘 Before cleaning, pull out the plugs of the product from the connections in the aircraft. 왘 Only use a soft, dry cloth to clean the product. Replacing the ear pads For reasons of hygiene, you should replac...
Page 21 - Replacing the headband paddings
Care and maintenance 20 | HMEC 26-2 Replacing the headband paddings For reasons of hygiene, you should replace the headband paddings annually. 왘 Pull the Ziploc type fastening strips of the old headband paddings apart. If necessary, use a pointed tool. 왘 Put the new headband paddings around the head...
Page 22 - Accessories and spare parts; Accessories
Accessories and spare parts HMEC 26-2 | 21 Accessories and spare parts By changing the cables, you can simply retrofit different control units (see page 9 and 10) or connectors (see page 23) to your headset. Accessories • Cable -CP Cat. No. 500852 • Cable -CP-2 Cat. No. 505684 • Cable -KP Cat. No. 5...
Page 23 - Spare parts
Accessories and spare parts 22 | HMEC 26-2 Spare parts • Audio cable, length 0.6 m, 2 x 3.5 mm stereo jack plug • Audio cable, length 0.6 m, 2 x 2.5 mm jack plug • Ear pads, leatherette, 1 pair • Ear pads, leatherette, 100 pairs • Wind and pop screen, 1 item • Wind and pop screen, any number of item...
Page 24 - Product and cable variants
Product and cable variants HMEC 26-2 | 23 Product and cable variants The following cables, connectors, control units and features are available for the HMEC 26-2 variants (see table on the following pages): 1 Headphhones with +6 dB characteristic SPL 2 Microphone with 60 mV output voltage 3 Single-s...
Page 27 - Specifications
Specifications 26 | HMEC 26-2 Specifications Headphones Transducer principle dynamic, closed Ear coupling supra-aural Frequency response 20 - 14,000 Hz Impedance HMEC 26-2: 600 Ω mono/1,200 Ω stereo HMEC 26-2 with -2 cables: 350 Ω mono/600 Ω stereo Characteristic SPL HMEC 26-2: 92 dB SPL at 1 kHz, 1...
Page 29 - Connector assignment
Connector assignment 28 | HMEC 26-2 Connector assignment Cable -V-KX-2 Cable -CP, -CP-2, -B-CP-2 Cable -NP ¼" (6.3 mm)jack plug PJ-068 equivalent 123 Audio Hi leftAudio Hi rightAudio Lo 123 not assignedMicrophone HiMicrophone Lo 1 2 3 1 2 3 XLR-3 connector 123 NoiseGard TM (DC+) DC–not assigned ...
Page 31 - Manufacturer Declarations; Warranty; professional are registered
Manufacturer Declarations 30 | HMEC 26-2 Manufacturer Declarations Warranty Sennheiser GmbH & Co. KG gives a warranty of 5 years on this product. For the current warranty conditions, please visit our website at www.sennheiser-aviation.com or www.sennheiser.com or contact your Sennheiser partner....
