Telex Echelon 25XT User's Manual
Contents
1. ION ARE THE WARRANTIES OF MERCHANTABILITY FITNESS FOR USE OR FOR A PARTICULAR PURPOSE AND WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE OR ANY OTHER MATTER IF UNDER APPLICABLE LAW IMPLIED WARRANTIES MAY NOT BE VALIDLY EXCLUDED THE DURATION OF SUCH IMPLIED WARRANTIES IS LIMITED TO THE WARRANTY PERIOD Limitation of Remedies Certain Damages Excluded REPAIR OR REPLACEMENT OF DEFECTIVE PRODUCTS ARE THE SOLE AND EXCLUSIVE REMEDIES PROVIDED BY TELEX TO THE CUSTOMER OR TO ANY OTHER PERSON AND SHALL CONSTITUTE FULL SATISFACTION OF ALL CLAIMS WHETHER BASED ON CONTRACT NEGLIGENCE STRICT LIABILITY OR OTHERWISE TELEX s MAXIMUM LIABILITY SHALL NOT EXCEED THE ACTUAL PURCHASE PRICE PAID FOR THE PRODUCT BY THE CUSTOMER TELEX AND ITS SUBSIDIARIES SHALL NOT BE LIABLE FOR ANY INDIRECT INCIDENTAL PUNITIVE SPECIAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION INJURY TO PERSONS OR PROPERTY OR LOSS OF USE SOME STATES AND COUNTRIES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF CERTAIN DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU IN SUCH STATES AND COUNTRIES TELEX SHALL BE LIABLE FOR NO MORE THAN THE DIRECT DAMAGES FOR BODILY INJURY AND OR REAL OR PERSONAL PROPERTY ARISING FROM THE NEGLIGENCE OF TELEX Other Rights This warranty gives you specific legal rights and you may also have other rights depending upon where you live Obtaining Warranty Service To obtain warranty service a customer must deliver the pr2. Telex User Instructions Echelon 25XT Noise Reduction Headset TELEX Detented Sliders Adjust to Patented Any Size Head Tension Adjust Knob Comfort Cam Earcups Pivot on Two Planes to Conform to Wearer Replaceable Wide Head Pad Replaceable Volume Ear Cushions Boom Rotation for Earcups Pivot on Placement on Either Two Planes to Side of Head Conform to Wearer Noise Canceling Electret Microphone Flexible Boom Permits Precise Mic Placement Echelon 25XT Noise Reduction Headset Headband Size Adjustment To adjust the headband size move the earcup sliders up or down on the headband Size is properly adjusted when the earcups are centered over the ears It is important to make the same adjustments to both sides of the headband to keep the headband and pad properly centered over the head Figure 1 Headband Size Adjustment Headband Pressure Adjustment There are three pressure settings for headband comfort Increasing the pressure will improve the seal between the earcup and the head for greater noise reduction To change the pressure setting remove the headset and fold the earcup inward as shown then rotate the Comfort Cam adjustment knob to the desired setting Repeat for both earcups Both sides of the headband should be set to the same pressure setting to keep the headband properly centered on the head Figure 2 Headband Pressure Adjustment Left
3. an amplified interface By amplifying the inputs the Echelon 25XT allows the user to adjust volume level at the headset contributing to the ability to not need re configuring while in flight The Telex Echelon 25XT cell phone audio interface has been designed to function with the widest array of cellular telephones and portable audio devices There are cell phones and audio devices on the market not designed to industry physical and electrical standards These devices are not guaranteed to function properly with the Echelon 25XT headset Please see the Telex web site for additional information www telex com aircraft Page 2 Volume Adjustment When the microphone is worn on the left side volume is increased by rotating the top of the volume controls clockwise Control operation is reversed when the microphone is worn on the right side Microphone Gain Adjustment The microphone gain has been factory adjusted to the nominal MIC GAIN level required for aircraft use ADJUSTMENT and should normally not require ACCESS readjustment Readjustment by a qualified avionics technician is recommended To access the gain trimmer insert a small flat blade screwdriver through the access hole in the mic element Figure 5 Clockwise rotation of the trimmer increases gain Figure 5 Mic Gain Adjustment Ear Cushion Replacement To remove an old ear cushion simply grasp it and pull it off the earcup To install a new ear cushion start at t
4. he top of the earcup Place the flap on the back of the ear cushion over the lip along the top of the earcup Then pull the bottom of the ear cushion down over the lip at the bottom of the earcup Mic Element Removal RELEASE CATGHI Press the release catch on the A microphone element and MIC ELEMENT carefully pull out the element Avoid pulling the microphone wires Pull on the plastic connector housing to unplug the microphone element Figure 6 Mic Element Removal for Replacement Page 3 Specifications Receivers Type Dynamic Impedance Accepts 150 600 ohm sources Frequency Response 350 Hz 3 0 kHz 6dB Sensitivity 90 5 dB SPL for 1 mW 1 kHz input Maximum Power Input 30 mW Microphone Amplifier Assembly Microphone Type Noise canceling electret condenser Output Impedance 50 ohms designed for radio input impedances from 50 600 ohms Frequency Response 100 Hz 3 5 kHz Sensitivity 50 6 dB ref 1V ubar Operating Voltage 8 16 Vdc Cords and Plugs Cord 5 5 ft 1 7 m Y cord with stereo mono selector switch Receiver Plug 1 4 stereo phone plug Microphone Plug PJ 068 equivalent V 5 o r o zg ea 1 Replacement Head Pad Cord Clip Microphone Element Assembly Foam Ear Pads set of 2 Windscreen Carrying Case EN ET Page 4 TELEX COMMUNICATIONS INC LIMITED WARRANTY Uniform Limited Warranty Telex branded products are warranted by Telex Communication
5. oduct prepaid to the appropriate Telex Service Department listed below or any of its authorized service representatives together with proof of purchase of the product in the form of a bill of sale or invoice Applicable Law The validity performance and construction of this limited warranty shall be governed by the laws ofthe State of Minnesota without reference to its choice of law principles The Minnesota federal courts and or the state courts located in Hennepin County Minnesota shall have exclusive personal and subject matter jurisdiction over and the parties shall each submit to the jurisdiction of such courts and to venue in Minnesota with respect to any dispute concerning the product or pursuant to this limited warranty and all objections to such jurisdiction or to such venue are hereby waived For additional warranty repair or service information contact the Telex Service Department listed below USA Canada amp Latin America 1720 E 14 Street Glencoe MN 55336 Tel 320 864 3177 Fax 320 864 3225 Page 5 CUSTOMER SERVICE For information or technical assistance call write or email Telex at Customer Service Department Telex Communications Inc 12000 Portland Ave So Burnsville MN 55337 U S A 952 884 4051 www telex com aircraft When returning equipment for repair please enclose an explanation of the problem And if the equipment is covered under warranty please enclose a copy of your proof of purchase The eq
6. or Right Side Microphone Placement 1 Rotate the boom as shown 2 Reshape the boom so that the microphone will be at the corner of the mouth c Figure 3 Rotating and Reshaping the Boom Page 1 Connection Connect the headset to the aircraft radio or intercom system as shown in Figure 4 Mute Switch E To Radio Microphone IN Jack TOIT WIND ms Cell Phone Jack q m A E 2 lt 4 on Auxilary Jack To Radio Receiver OUT Jack Stereo Mono Switch TRIER mo Figure 4 Echelon 25XT Connectors Stereo Mono Switch This switch is located on the Y cord Figure 4 Set the switch to stereo for aircraft with a stereo intercom system Set the switch to mono for monaural intercom systems or for direct connection to the aircraft radio Cellphone Audio Interface The Echelon 25XT includes a unique amplified interface allowing for the connection of a cellular telephone and an audio input simultaneously This configuration allows the user to set up before take off and eliminates the need to re configure cords and equipment when operating the aircraft The other unique feature of this interface is the ability to obtain power from the aircrafts possessive communications system This feature results in increased battery life for the ANR system while maintaining the benefits of
7. s Inc against malfunction due to defects in materials and workmanship for a specified period as noted in the individual product line statements below beginning with the date of original purchase by the end user If such malfunction occurs during the specified period the product will be repaired with new or remanufactured equivalent parts and products or replaced at our option without charge The product will be returned to the customer postage prepaid Exclusions and Limitations The limited warranty does not apply to a exterior finish or appearance b certain specific items described in the individual product line statements below c malfunction resulting from use or operation of the product other than as specified in the product data sheet or owner s manual d malfunction resulting from misuse or abuse of the product including accidents e defects resulting from excess moisture lightning or power surges or f malfunction occurring at any time after repairs have been made to the product by anyone other than a Telex Service Department employee or any of its authorized service representatives The warranty is void if the label bearing the product serial number if applicable has been removed or defaced Other Express or Implied Warranties Excluded TO THE EXTENT PERMITTED BY APPLICABLE LAW THE WARRANTIES SET FORTH HEREIN ARE IN LIEU OF AND EXCLUSIVE OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED SPECIFICALLY EXCLUDED WITHOUT LIMITAT
8. uipment must be accompanied by documentation stating your name return address and telephone number Return equipment for factory repair to Customer Service Department Telex Communications Inc 1720 East 14th St Glencoe MN 55336 U S A 320 864 3177 Warranty Repairs If in warranty no charge will be made for the repairs Equipment being returned for warranty repair must be sent prepaid and will be returned prepaid Non warranty Repairs Equipment that is not under warranty must be sent postage prepaid to Telex If requested an estimate of repair costs will be issued prior to service Once you approve repair and repair of equipment is completed the equipment will be returned on a collect on delivery basis Collect charges may be avoided by sending a signed check for payment in full along with your signed estimate approval form the estimate includes the shipping charge BE LEE Le AVIATION Echelon 25XT x Note Subject to change without notice Notes Notes Notes TELEX TELEX COMMUNICATIONS INC e 12000 Portland Ave S Burnsville MN 55337 U S A LIT000014 RevA 04 2006
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