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Telex Stratus 50 manual

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The rules should oblige the seller to give the purchaser an operating instrucion of Telex Stratus 50, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

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First and foremost, an user manual of Telex Stratus 50 should contain:
- informations concerning technical data of Telex Stratus 50
- name of the manufacturer and a year of construction of the Telex Stratus 50 item
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- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Telex Stratus 50 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Telex Stratus 50, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Telex service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Telex Stratus 50.

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Table of contents for the manual

  • Page 1

    User Instructions Te l e x ® Stratus 50 Digital Active Noise Reduction Headset[...]

  • Page 2

    Figure 1 Stratus 50 Digital Ref erence View This device complies with part 15 of the FCC Rules, Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference re- ceived, including interference that may cause un- desired operation. Flexib le Boom P ermits Pr[...]

  • Page 3

    Page 1 General Description The T elex S tratus 50 Digital is a medium-weight, active noise-reduction headset with boom-mounted microphone. It provides up to 25+dB patented digital tonal noise reduction of engine and blade noise, up to 15+dB of analog broadband noise reduction, and 29+dB of passive noise reduction. At 90 Hz the accumulative total is[...]

  • Page 4

    Auto Shut-Off The S tratus 50 Digit al contains noise-sensing features to measure ambient noise levels. When ambient noise levels are low for 5 to 7 minutes continuously , the headset automatically shuts off. This feature will prolong battery life and prevent discharge of batteries if the headset is accidentally left on after use. Cellphone / audio[...]

  • Page 5

    Headset Power The headset will operate with either 4 AA batteries or p anel power from 8-32 Vdc. Panel Power Option An optional power cord is provided for use in negative ground electrical systems only . Do not attempt to use with positive ground electrical systems. The power cord is designed to connect the battery module to the aircraft power via [...]

  • Page 6

    Page 4 Figure 6 Mic Element Remov al Figure 5 Microphone Placement Figure 7 Mic Placement Headset Operation (cont.) 2. Connect the headset as shown in Figure 4. If using the standard version, set the stereo/mono headphone switch to match the type of sound system in your aircraft. If the headset is set for stereo and the intercom is set for mono, so[...]

  • Page 7

    Page 5 Figure 8 Headband Pressure Adjustment HIG H MED IUM LOW KNOB ADJUSTMENT SETTI NGS Headset Operation (cont.) 8. With the headband resting securely on the top of the head, check that the ear cups are centered over the ears. Reposition them if necessary by moving the headband sliders up or down (See Figure 9 on the next page). Proper performanc[...]

  • Page 8

    Page 6 11 . V olume Adjustment When the microphone is worn on the left side, volume is increased by rotating the top of the volume controls toward the front of the head. Control operation is reversed when the microphone is worn on the right side (Figure 10). V olume control affects communications as well as cellphone and auxiliary audio inputs. 12 [...]

  • Page 9

    Stratus Controls Power Switch the ON/OFF button to turn the S tratus on or off. Green LED indicates power on. Low Battery Red LED indicates 20 percent or less battery life remaining. Figure 11 Stratus Battery Box MIC GAIN ADJUSTMENT ACCESS Figure 12 Microphone Gain Adjustment Page 7 Microphone Gain Adjustment The microphone gain has been factory-ad[...]

  • Page 10

    Page 8 Wiring Diagram Figure 13 Standard V ersion RED BLK SHLD . 2 0 6 DI A. MI CROPHONE P L UG RED BLK SHLD . 25 0 DI A. SPEAKE R PL UG SPKR - L SPKR - R SPKR - GND MI C + MI C - BLUE WHITE[...]

  • Page 11

    Page 9 Specifications Receivers: T ype: Dynamic Frequency Response: 50 Hz - 10 kHz Sensitivity: 95 ± 5 dB SPL (1 kHz, 1 mW input) Impedance (Max. V olume): S tereo.........................................300 ohms per side Monaural...................................................150 ohms Headset Power: 4AA Batteries or Panel Power from 8-32 Vdc M[...]

  • Page 12

    Page 10 Ordering Information S tratus Headset, with electret mic, battery module, and carrying case (Dark Grey/Black) Catalog no. PRD000010000 Aircraft Power Cord ........................................................ Catalog no. 550216001 1” Foam-filled ear cushions (package of 2) ................. Catalog no. 800456021 Headband Pad ..........[...]

  • Page 13

    Page 1 1 TELEX COMMUNICA TIONS, INC. - LIMITED W ARRANTY Uniform Limited Warranty: T elex branded product s are warranted by T elex Communications, 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[...]

  • Page 14

    Page 12 CUST OMER SER VICE For information or technical assistance, call, write, or email T elex at: Customer Service Department T elex 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 equipm[...]

  • Page 15

    Page 13 Notes[...]

  • Page 16

    LIT000010 Rev A 04/2006 www.telex.com/aircraft[...]