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LR-44
Includes:
LR-44 Lanyard Receiver
LA-152 Alkaline Battery Compartment
architectural specifications
The Lanyard IR Receiver shall be capable of receiving on four carriers (2.3, 2.8, 3.3, 3.8 MHz) and the channel shall be displayed on one of four front panel LEDs. The receiver will accept mono or stereo earphones with a 3.5mm connector. The receiver shall be capable of being locked on a channel. The receiver shall be capable of receiving a stereo signal on each of the four carriers. The receiver shall have a SNR of 58 db or greater and have built in squelch control. The device shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db and shall have distortion of less than 2%. The device shall operate for 30 hours with two AAA alkaline batteries and 15 hours with two AAA NiMH rechargeable batteries. The receiver shall be covered by a limited lifetime warranty. The LR-44 is specified.
The Lanyard IR Receiver shall be capable of receiving on four carriers (2.3, 2.8, 3.3, 3.8 MHz) and the channel shall be displayed on one of four front panel LEDs. The receiver will accept mono or stereo earphones with a 3.5mm connector. The receiver shall be capable of being locked on a channel. The receiver shall be capable of receiving a stereo signal on each of the four carriers. The receiver shall have a SNR of 58 db or greater and have built in squelch control. The device shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db and shall have distortion of less than 2%. The device shall operate for 30 hours with two AAA alkaline batteries and 15 hours with two AAA NiMH rechargeable batteries. The receiver shall be covered by a limited lifetime warranty. The LR-44 is specified.
LR-44 Lanyard Receiver
LA-152 Alkaline Battery Compartment
architectural specifications
The Lanyard IR Receiver shall be capable of receiving on four carriers (2.3, 2.8, 3.3, 3.8 MHz) and the channel shall be displayed on one of four front panel LEDs. The receiver will accept mono or stereo earphones with a 3.5mm connector. The receiver shall be capable of being locked on a channel. The receiver shall be capable of receiving a stereo signal on each of the four carriers. The receiver shall have a SNR of 58 db or greater and have built in squelch control. The device shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db and shall have distortion of less than 2%. The device shall operate for 30 hours with two AAA alkaline batteries and 15 hours with two AAA NiMH rechargeable batteries. The receiver shall be covered by a limited lifetime warranty. The LR-44 is specified.
| Specification | LR-44 Lanyard Receiver | |
| RF | Frequency Range | 2.3 MHz - 3.8 Mhz |
| Number of Channels | 4 selectable channels | |
| IR Detectors | 2 detectors under front IR lens | |
| Sensitivity | 1 nW/cm2 at 40 db SNR | |
| Frequency Accuracy | +/- .005% stability 0 to 50C | |
| Squelch | Automatic on loss of RF signal (40 db SNR) | |
| Compliance | FCC Part 15, Industry Canada, CE | |
| Audio | -- All system specifications are wireless end-to-end | |
| System Frequency Response | 63Hz - 15kHz (+/- 3dB) | |
| System Signal to Noise Ratio (A-weighted) | > 58dB | |
| System Distortion | < 2% total harmonic distortion (THD) | |
| Audio Output Jacks | 3.5 mm connector unbalanced, mono or stereo headphones | |
| Audio Output Power | 20 mW maximum at 32 ohms | |
| Controls | User Controls | Volume, Power, Channel Select |
| Programming | Channel Lock, Auto Find, Auto Seek, Auto Shut-Off, Audible Option | |
| Indicators | Unit Power | Indicated by current channel selection LED |
| Channel Selection | Red LED illuminates on the current channel selection | |
| Audible Indicator | Audio beep in headset indicates low batteries, channel lock, power on/off. Can be disabled in programming mode. Default: On |
|
| Power | Battery Type | Two AAA alkaline batteries or NiMH battery pack |
| Battery Life | 30 hours alkaline, 15 hours NiMH rechargeable pack (LA-364) | |
| Battery Charging | Fully Automatic with NiMH battery pack and LA-350 charger | |
| Physical | Dimensions (W x D x H) | 1.8 x 4 x .75 inches (46 x 102 x 19 mm) |
| Color | Dark Grey with White Silk Screening | |
| Unit Weight without batteries | 1.75 ounces (49 grams) | |
| Unit Weight with batteries | 2.55 ounces (85 grams) | |
| Shipping Weight | 8 ounces (227 grams) | |
| Environmental | Temperature - Operation | -10 C (14 F) to +40 (104 F) |
| Temperature - Storage | -20 C (-4 F) to +50 (122 F) | |
| Humidity | 0 to 95% relative humidity, non-condensing | |
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| 1. Power: Press to turn on the unit, press and hold turn the unit off |
| 2. SEL: Press to change channels |
| 3. Indicates operating channel 1 through 4 |
| 4. Indicates status of the batteries when the Power button is pressed momentarily |
| 5. Removable battery compartment (AAA alkaline batteries or NiMH rechargeable battery pack) |
| 6. Earphone: Plug stereo or mono 3.5mm earphone here |
