- Description
Details
The LR-42 stethoscope receiver is a very easy to use, comfortable and user friendly. This all-in-one receiver can receive up to four channels in mono or stereo. It uses standard AAA alkaline batteries for more than 30 hours of use, or a NiMH rechargeable battery pack that delivers 15 hours of use per charge. The unit features auto shut-off after 30 minutes of no audio carrier, further extending battery life. The LR-42 boasts high performance audio specs in a small package and is compatible with other manufacturers' products. The LR-42 is used for government compliance (such as ADA), assistive listening, language interpretation, live theatre, houses of worship, courtrooms, secure rooms and auditory description.
- Features
Features
- Secure wireless communication - ideal for applications where isolation of the signal is important or where security is a concern
- Stylish, all-in-one unit stetho design - no wires to tangle for easy distribution
- Receives up to four channels mono or stereo - provides outstanding performance with crystal clear sound
- Uses standard AAA batteries (available anywhere) or rechargeable Listen NiMH battery pack - gives you ultimate flexibility in managing battery life
- Auto shut-off feature (after 30 minutes of no carrier) - saves battery life
- Ear tips can be easily cleaned or replaced
- Specification
RF Carrier Frequencies Selectable: 2.3 MHz, 2.8 MHz, 3.3 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) Audio 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 Inicated 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 Power Specifications 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 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 Physical Color Dark grey with White Silk Screening Unit Weight without batteries 2.15 ounces (60 grams) Unit Weight with batteries 2.95 ounces (85 grams) Dimensions (H x W x D) 1.8" (46 mm) x 4" (102 mm) x 0.75" (19 mm) Shipping Weight 8 ounces (227 grams) - In The Box
In The Box
- (1) LR-42 IR Stethoscope 4-Channel Receiver
- (1) LA-152 IR Receiver Battery Compartment (Non-Charging)
- (1) Quick Reference Card
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