Instruction/ maintenance manual of the product Echelon 25XT Telex
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User Instructions Te l e x ® Echelon 25XT Noise Reduction Headset.
Earcups Pivo t on T wo Planes to Conf orm to Wearer Replaceable Wide Head Pa d Echelon 25XT Noise Reduction Headset V olume Detented Sliders Adjust to Any Size Head Earcups Pivot on T wo Planes to Con.
Page 1 Headband Size Adjustment T o 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.
Page 2 Connection Connect the headset to the aircraft radio or intercom system as shown in Figure 4. 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.
Page 3 Figure 5 Mic Gain Adjustment Microphone Gain Adjustment The microphone gain has been factory-adjusted to the nominal level required for aircraft use and should normally not require readjustment. Readjustment by a qualified avionics technician is recommended.
Page 4 Specifications Receivers T ype: 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:.
Page 5 TELEX COMMUNICA TIONS, INC. - LIMITED W ARRANTY Uniform Limited Warranty: T elex branded products are warranted by T elex Communications, Inc. against malfunction due to defects in materials an.
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 A ve. 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.
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LIT000014 Rev A 04/2006.
An important point after buying a device Telex Echelon 25XT (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Telex Echelon 25XT 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 Telex Echelon 25XT - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Telex Echelon 25XT you will learn all the available features of the product, as well as information on its operation. The information that you get Telex Echelon 25XT will certainly help you make a decision on the purchase.
If you already are a holder of Telex Echelon 25XT, 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 Telex Echelon 25XT.
However, one of the most important roles played by the user manual is to help in solving problems with Telex Echelon 25XT. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Telex Echelon 25XT 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
