Linear Home Security System XR 1 User Manual

1. PRODUCT DESCRIPTION  
2. OPEN RECEIVER  
WARNING: THIS  
PRODUCT SHOULD NOT  
BE USED IN LIFE  
Linear’s Xtended Range FM receivers and transmitters are designed for use in various  
wireless remote control applications. When the Model XR-1 receiver detects a signal from  
its companion transmitter, it will verify the digital code, activate its output, and trigger the  
remote device connected to the receiver.  
XR-1  
SAFETY APPLICATIONS.  
FCC Rules allow  
unlicensed high-power  
transmissions at or near  
the operating frequency  
of this product which  
may interfere with, or  
even disable, normal  
operation of this radio  
device.  
XTENDED RANGE  
SINGLE CHANNEL  
SUPERVISED  
The XR-1 receiver has full supervision capabilities. If the “status” option is selected, the  
receiver expects hourly status signals from its transmitter. If these signals cease, the receiver  
will indicate trouble by activating its status output after four hours. Contact supervision allows  
the receiver’s output to follow the transmitter’s input, staying activated as long as the  
transmitter input is activated. Alternately, an “auto-restore” option can be selected in the  
transmitter, causing a momentary receiver output each time the transmitter input is activated.  
If the transmitter sends a low battery signal, the receiver’s low battery output will activate.  
REMOVE FOUR  
CASE SCREWS AND  
SLIDE OUT CIRCUIT  
BOARD  
STATIONARY  
RECEIVER  
For Use With Linear’s  
XR Series Xtended  
Range Transmitters  
Power for the XR-1 receiver can come from an external regulated 12 VDC power supply  
(Linear Model T-1224DC) or from a 12-volt battery. A diode protects the unit from reverse  
power polarity. The XR-1 draws about 30 mA standby, and about 70 mA when the output is  
active. The receiver output provides isolated N/Oand N/C relay contacts capable of switching  
a maximum of 1 Amp @ 32 VDC. The low battery and status outputs are solid state and are  
capable of switching up to 50 mA @ 20 VDC to ground.  
REFERENCE  
CARD FITS IN  
1ST SLOT  
Two antennas (sold separately) are available for the XR-1. The Model ANT-1A is an 8-inch  
“rubber duck” antenna for short range applications (less than 1 mile). The ANT-1A requires  
a CON-180A (straight) connector to mate the antenna to the transmitter. For a right angle  
antenna, use the CON-180A plus the CON-90A.The Model ANT-2 is a 3-foot whip antenna  
for use in long range or difficult installations where more range from the XR-1 is required. A  
common 9-foot 1/4 wave CB whip antenna can also be used with the XR-1 for maximum  
range.  
Installation  
Instructions  
BOARD FITS IN  
3RD SLOT UP  
Two 8-position switches set the unit’s system code. This code must be matched in the XR-1’s  
transmitter. There are 65,536 different system codes possible. The 4-position option switch  
selects the receiver’s channel (to match the transmitters channel), and status supervision option.  
END CAP STAYS  
ATTACHED TO  
THE CIRCUIT  
BOARD  
The receiver is housed in a rugged weather-resistant metal enclosure with a sturdy SO-239  
antenna connector and a water-tight wiring strain relief bushing. Two indicators are visible  
through a window on the case. The green power indicator lights when the receiver has power.  
During reception, the red RF indicator lights. Two internal test points are provided for signal  
strength and audio monitoring.  
CASE SCREWS  
(760) 438-7000 • FAX (760) 438-7043  
USA & Canada (800) 421-1587 & (800) 392-0123  
Toll Free FAX (800) 468-1340  
3. COMPONENT LOCATIONS  
4. INSTALLATION TIPS  
5. MOUNT RECEIVER CASE  
If using the ANT-1A antenna: For best range mount the XT/XR unit to a metal plate with a  
minimum size of 12" x 12". The ANT-1A antenna should extend above the mounting plate  
and be free of obstructions. If the ANT-1A antenna cannot be mounted in the open, consider  
using an extension coaxial cable with PL-259 connectors to move the antenna’s location.  
ANTENNA  
CONNECTOR  
(HIDDEN)  
3-FOOT  
ANT-2  
ANTENNA  
USE ANT-1A ANTENNA FOR  
SHORT RANGE APPLICATIONS  
The XT/XR series of radios operate in the 27 MHz Citizens Band (CB) and may use any CB  
antennas or CB antenna accessories. Antennas, PL-259 extension cables and other  
adapters are available at Radio Shack® or other electronics stores.  
(LESS THAN 1 MILE)  
RIGHT ANGLE  
CONNECTOR  
SYSTEM CODE  
SWITCHES  
UNIVERSAL  
(CON-90A)  
MOUNTING BRACKET  
8-INCH  
ANT-1A  
ANTENNA  
18-FOOT CABLE  
STRAIGHT-THRU  
CONNECTOR  
(CON-180A)  
USE ANT-2 ANTENNA FOR MAXIMUM  
RANGE OR DIFFICULT APPLICATIONS  
MOUNT UNIT WITH  
TWO BOTTOM SCREWS  
(DON'T INSTALL TOP  
SCREWS UNTIL WIRING  
IS COMPLETE)  
SWITCH "B"  
SWITCH "A"  
GOOD INSTALLATION  
BAD INSTALLATION  
LINE-OF-SIGHT  
BETWEEN THE  
OPTION  
SWITCH  
TRANSMITTER AND  
RECEIVER ANTENNAS  
WILL PROVIDE THE  
BEST RANGE  
RF SIGNAL  
INDICATOR  
(RED)  
ANTENNAS ARE MOUNTED  
VERTICALLY, ON HIGH POINTS  
OF BUILDINGS  
TRANSMITTING THROUGH  
STRUCTURES, METAL AND  
GEOGRAPHIC OBSTACLES WILL  
REDUCE RADIO RANGE  
POWER  
INDICATOR  
(GREEN)  
MOUNT ANTENNA AS HIGH AS POSSIBLE  
GOOD ANTENNAS NEED GOOD GROUNDS  
OK  
METAL ROOF  
UNIT SHOULD BE  
FAIR  
MOUNTED IN SHELTERED  
LOCATION WITH ACCESS  
TO ANTENNA CO-AX AND  
POWER/SIGNAL WIRES  
3'  
POOR  
9 FEET  
AUDIO  
OUTPUT LEVEL  
SIGNAL  
AT LEAST 9 FEET  
ABOVE GROUND IS  
RECOMMENDED  
GROUND  
POWER & OUTPUT  
TERMINAL BLOCK  
WHEN MOUNTING ON  
THE SIDE OF A  
STRUCTURE, USE A  
MINIMUM OF A 3-FOOT  
SPACER TO DISTANCE  
THE ANTENNA FROM  
THE STRUCTURE  
IDEALLY, A GROUND  
PLANE WITH A RADIUS  
OF NINE FEET MINIMUM  
IS DESIRED  
TEST POINTS  
ANTENNA LOCATION IS  
OF PRIMARY CONCERN  
 

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