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Hersteller: Listen Technologies Dateigröße: 726.16 kb Dateiname: Unterrichtssprache:

Channel selection can be locked by holding the SEEK button for 5 seconds. Unit cannot be programmed to seek only used channels, however, it is capable of entering squelch mode. Indicators LCD Display Indicates channel, RF signal strength, lock status, and squelch setting 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 2.3 mm OD by 0.7 mm ID, barrel type connector. 7.5VDC, center positive <250mA. Drop in contact points for use with Listen charging/carrying cases Compliance UL Listed Physical Dimensions W x D x H 3.0 x 1.0 x 4.25 in. (7.6 x 2.5 x 13 cm) Unit Weight 3.9 oz. (111 g) Unit Weight with batteries 5.8 oz. (164.4 g) Shipping Weight 1.0 lbs. (453.6 kg) Door Manually lockable. UP, DOWN and SEEK protected by door Environmental Temperature - Operation 14 to 104. F (10 to 40. C) Temperature - Storage -4 to 122. F (-20 to 50. C) Humidity 0 to 95% relative humidity, non-condensing LR-400 23 LR-400 Quick Reference LR-400 Power/Charging Port Channel Select Buttons Front Door Lock 3.5 mm Output Jack: Connect a Listen earphone(s) here. LED: When lit, indicates unit has power. When batteriesare low or charging the LED flashes On/Off and Volume Control Dial Look&Listen™ Display: Shows receive level, channel, programming, battery status, and lock status. SEEK Button: Allows the user to search for or lock onto an active channel. Battery Select Switch: Choose the type ofbatteries being used - Alkaline or NiMH. SQ™ Switch: Turns SQ™ On/Off. Battery Compartment: Place two (2) AA batteries in compartment. Be sure to follow polarity pattern. RF Receive Indicator: Indicates the RF receive level. Battery Level Indicator channel the LR-500-863 is currently on. Lock Icon: Indicates the unit is locked on current channel. Channel Display: Displays the 24 LR-400 Setup Instructions 1 2 Remove the product Remove outer packaging and plastic cover. Inspect for physical damage. If damage is apparent, please contact Listen Technologies Corporation technical support for assistance. Open the front access door If locked, use a pocketknife or small screwdriver to unlock the door locks on both sides of the unit. To unlock the door, rotate the lock 1/4 turn counterclockwise. Grip the two tabs with your thumb and index finger and pull the door downward. Do NOT place batteries in the unit yet. Select Battery Type 3 You have two choices: NiMH and Alkaline. The unit is shipped with the switch in the Alkaline position. Use a pen or small screwdriver to select the battery type. CAUTION: If you are using any battery type other than rechargeable Nickel Metal Hydride (NiMH) batteries, make sure the BATTERY selection switch is in the alkaline position. Locked Unlocked LR-400 WARNING: Do not place the BATTERY switch in the NiMH position if you are not using Nickel Metal Hydride Batteries. The NiMH position will attempt to charge any batteries in the unit, even if they are not the proper type. Charging non-Nickel Metal Hydride (NiMH) batteries will result in physical harm, destruction of property and/or fire. 4 Set SQ switch The SQ switch is inside the battery compartment next to the Battery Select switch. The unit is shipped with SQ in the ON position. To turn it off, use a small screwdriver or pen to slide the switch to the OFF position (to the right). See page 45 for more information on SQ. Battery Select Switch SQ™ Select Switch 5 Place Batteries in Unit Place two AA batteries in the compartment, making note of the battery polarity shown in the battery compartment, and again verifying that the BATTERY SELECT switch is in the correct position for the batteries you are using. (ALK should be selected for all battery types other than NiMH). NOTE: Listen provides industrial strength AA alkaline batteries (part number LA-361) and high performance AA Nickel Metal Hydride batteries (part number LA-362). These may be purchased from your Listen dealer. 25 LR-400 Setup Instructions 6 7 Connect an Earphone or Headset Your headset or earphone will connect to the jack on the top of the unit. Either mono or stereo connectors may be used with a Listen receiver. Make certain you push the plug all the way into the jack. Turn the Unit On Receivers are turned on by rotating the volume dial counterclockwise. The red LED on top of the unit should activate and the LCD display should illuminate. If they do not, make sure you have installed the batteries correctly and that you are using fully charged batteries. Select Channel(s) See page 44 for complete channel selection information. Set Squelch See page 29 for squelch and programming information. Red LED will illuminate when on LR-400 8 9 Earphone/Headset jack LCD display will activate w...

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