Listen Technologies LR-300 - Manual (Page 9)

7
Set Up Controls
User Controls
Programming
LCD Display
LED
Battery Type
Battery Life (Listen batteries)
Battery Charging (NiMH only)
Power Supply Connector
Compliance
Dimensions
Unit Weight
Unit Weight with batteries
Shipping Weight
Door
Temperature - Operation
Temperature - Storage
Humidity
Volume, channel UP/DOWN, SEEK. All controls except volume are electronically lockable.
Indicates channel, RF signal strength, lock status, squelch, battey power level and channel
programming.
Fully automatic, 14 hours
-10° to 40°C (14° to 104° F)
-20° to 50°C (-4° to 122° F)
Unit can be programmed so that only desired channels are displayed. Squelch can be
adjusted for sensitivity and signal capture control. Channel selection can be locked by
holding the SEEK button 5 seconds.
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
UL Listed
16mW maximum, impedance 32 Ohms
Two AA batteries, alkaline or NiMH
30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
0 to 95% relative humidity, non-condensing
Manually lockable. UP, DOWN and SEEK through door, other
controls behind door (see Controls above).
Indicators
Physical
3.0 in x 1.0 in x 5 in WxDxH (7.6cm x 2.5cm x 13.cm)
5.8 oz (164.4g)
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.
3.9oz (111g)
Environmental
Programmable channel selection (see below), alkaline/NiMH batteries
and squelch, SQ enable/disable
Controls
1.0 lbs (453.6kg)
Power
LR-500 Specifications
LR-500 Specifications continued
Specification LR-500-072 LR-500-216