| |
Specification |
LR-300 Specifications |
| RF |
RF Frequency Range |
72.025 - 75.950 MHz |
| Number of Channels |
17 |
| Sensitivity |
.6uV typical, 1 uV maximum for 12dB SINAD |
| Frequency Accuracy |
± .005% stability 0° to 50°C (32° to 122° F) |
| Antenna |
Uses earphone cable |
| Antenna Connector |
3.5mm connector |
| Squelch |
Automatic on loss of RF signal |
| Compliance |
FCC Part 15, Industry Canada |
 |
| Audio |
** All system specifications are wireless end-to-end |
| System Frequency Response |
63Hz - 15kHz (±3dB) |
| System Signal to Noise Ratio (A-weighted) |
SQ enabled: 80dB; SQ disabled 60dB |
| System Distortion |
<2% total harmonic distortion (THD) at 80% deviation |
| Output |
3.5mm connectors, unbalanced, 0dBu nominal output level, 16mW maximum, impedance 32 Ohms |
|
| Controls |
Set Up Controls |
Alkaline/NiMH batteries and SQ enable/disable |
| User Controls |
Volume and SEEK. (SEEK is electronically lockable, and are behind the door). |
| Programming |
Channel selection can be locked by holding the SEEK button for 5 seconds |
|
| Indicators |
LED |
Red, illuminates when unit is on. Flashes when batteries are low. Flashes when charging. Flashes when locked and user attempts to seek to another channel. |
|
| Power |
Battery Type |
Two AA batteries, alkaline or NiMH |
| Battery Life (Listen batteries) |
30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362) |
| Battery Charging (NiMH only) |
Fully automatic, 14 hours |
| Power Supply Connector |
2.3mm OD by 0.7mm ID, barrel type connector. 7.5VDC, center positive <250mA. Drop in contact points for use with Listen charging cases. |
| Compliance |
UL Listed |
|
| Physical |
Dimensions |
3.0 in x 1.0 in x 5 in WxDxH (7.6cm x 2.5cm x 13.cm) |
| Unit Weight |
3.9oz (111g) |
| Unit Weight with batteries |
5.8 oz (164.4g) |
| Shipping Weight |
1.0 lbs (453.6kg) |
| Door |
Manually lockable. SEEK behind the door (see Controls above). |
|
| Environmental |
Temperature - Operation |
-10° to 40°C (14° to 104° F) |
| Temperature - Storage |
-20° to 50°C (-4° to 122° F) |
| Humidity |
0 to 95% relative humidity, non-condensing |
|
Listen Technologies Simultaneous Interpretation Receiver LR-300 Specs
The receiver shall be capable of seeking channels.
The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally.
