Double side headset, 2pj, double side headset, xlr5 (36 pages)
Summary of Contents for Telex Stratus 50-D
Page 1
User Instructions Stratus 50-D Active Noise Reduction Headset 38110073 Rev H 06/2010...
Page 2
FIGURE 1. Status 50-D Reference 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 received, including interference that may cause undesired operation.
Design Features (See Figure 1) Fit and Comfort The Stratus 50-D incorporates unique features that allow the user to custom fit the headset for comfortable operation. Among the features is a headband design that distributes ear cushion pressure evenly over the entire ear with no pressure points. A detented slide adjustment on the headband allows the earcup to be easily raised or lowered for proper fit.
This feature results in increased battery life for the ANR system while keeping the benefits of an amplified interface. By amplifying the inputs, the Stratus 50-D allows the user to adjust volume level at the headset contributing to the ability to not need reconfiguring while in flight.
The cellular telephone/auxiliary audio interface of the Stratus 50-D relies on this same microphone bias voltage for operation. If less voltage/higher impedance is normal in your system, this interface may not operate properly. If unusual or...
Page 6
Panel Power Option FIGURE 2. Battery Power The battery module requires 4 AA batteries. Alkaline batteries are recommended for best performance. Do not use nickel-cadmium/NiMH rechargeable or lithium batteries. To replace the battery, do the following: Slide the battery door down in the direction of the arrow, then up to rotate the battery door.
Handset Operation To operation the handset, do the following: Verify batteries are installed and headset power is on (see previous section.) Connect panel power cord, if not using battery power. Connect the headset as shown in Figure 4. If using the standard version, set the MONO/STEREO headphone switch to match the type of sound system in your aircraft.
Page 8
For best noise cancellation, position the microphone as close to the mouth as possible and speak in a normal voice. See Figure 6. Mic Placement FIGURE 6. For mic replacement, press the release catch and carefully pull out the mic element.
Page 9
Headband Pressure Adjustment FIGURE 8. Headband Size Adjustment To adjust the headband size, move the Ear cup sliders up or down on the headband (Figure 9). Size is properly adjusted when the ear cups are centered over the ears. It is important to adjust both sides of the headband the same to keep the headband and pad properly centered over the head.
Figure 10. Volume Adjustment FIGURE 10. Accessory Muting The Stratus 50-D headset is equipped with a switch to quickly and completely disables the cell phone and auxiliary audio devices. See Figure 4. Status Controls Power Switch the on/off button to turn the Stratus on or off. A green LED indicates power...
Low Battery Red LED indicates 20% or less battery life remaining. Status DSP Controller FIGURE 11. Microphone Gain Adjustment The microphone gain has been factory-adjusted to the nominal level required for aviation use, and it should normally not require readjustment. Any changes to the mic gain should be done by a qualified avionics technician.
Specifications Receivers Type: Dynamic Frequency Response: 50Hz - 10kHz Sensitivity: 95 ±5dB SPL (1kHz, 1mW input) Impedance (Max. Volume) Stereo: 300 Ohms per sided Monaural: 150 Ohms Headset Power: 4 AA Batteries or Panel Power from 8-32Vdc Microphone Element Type: Amplified noise-canceling electret Frequency Response: 100Hz-3.5kHz Sensitivity: -52 +2/-1dB (ref: 1V/μbar at 1kHz with 12Vdc supply voltage and 470 Ohm...
Ordering Information Stratus Headset, with electret mic, battery module, and carrying case (Lt. Gray/Purple) Catalog no. 301125200 Stratus Headset, with electret mic, battery module, and carrying case (Lt. Gray/Black) Catalog no. 301125203 Aircraft Power Cord Catalog no. 550216001 1” Foam-filled ear cushions (package of 2) Catalog no.
Page 15
(f) malfunction occurring at any time after repairs have been made to the product by anyone other than a Telex Service Department 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.
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). Telex Warranty Term Lengths 1 Month 3 Months 12 Months 36Months 60 Months...
Need help?
Do you have a question about the Stratus 50-D and is the answer not in the manual?
Questions and answers