Linear Xt 1 Channel Stationary Mid Range Transmitter Quick Start Guide Ventura 215227C.CHP

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XT-1
XTENDED RANGE
SINGLE CHANNEL
SUPERVISED
STATIONARY
TRANSMITTER

WARNING: THIS
PRODUCT SHOULD NOT
BE USED IN LIFE
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.

For Use With Linear’s
XR Series Xtended
Range Receivers

INSTR,INSTL,XT-1
LINEAR P/N: 215227 C
MATERIAL: 20 LB. MEAD BOND
SIZE: 8.500" X 11.000"
SCALE: 1-1
INK: BLACK
SIDE 1 OF 2 (FRONT)

Installation
Instructions

(760) 438-7000
USA & Canada (800) 421-1587 & (800) 392-0123
Toll Free FAX (800) 468-1340
www.linearcorp.com

3. COMPONENT LOCATIONS

SYSTEM CODE
SWITCHES

1. PRODUCT DESCRIPTION

2. OPEN TRANSMITTER

Linear’s Xtended Range FM transmitters and receivers are designed for use in various
wireless remote control applications. When triggered with an external switch, the Model XT-1
transmitter will send a 10 watt, 27.255 MHz, digital encoded, FSK modulated, signal to its
companion receiver. The receiver will verify the digital code, activate its output, and trigger
the remote device.
The XT-1 transmitter has full supervision capabilities. If the “status” option is selected, the
XT-1 sends hourly status signals to its receiver. 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, causing
a momentary receiver output each time the transmitter is activated. Either a N/O or N/C input
(jumper selectable) can trigger the transmitter.
Power for the XT-1 transmitter can come from an external regulated 12 VDC, 2-Amp power
supply (Linear Model T-1224DC) or from a 12-volt battery. A 3-amp fuse protects the unit
from reverse power polarity. The XT-1 draws about 15 μA standby, and about two amps
during transmissions. If the power supply voltage drops below 10.5 volts, a low battery
message will be included with any signal transmitted, causing the receiver’s low battery
output to activate.
Two antennas (sold separately) are available for the XT-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 XT-1 is required. A
common 9-foot 1/4 wave CB whip antenna can also be used with the XT-1 for maximum
range.
Two 8-position switches set the unit’s system code. This code must be matched in the XT-1’s
receiver. There are 65,536 different system codes possible. The 6-position option switch
selects the transmitter’s channel, receiver’s bank (for XR-16 receiver only), and options for
status and auto-restore transmissions.
The transmitter is housed in a rugged weather-resistant metal enclosure with a sturdy
SO-239 antenna connector and a water-tight wiring strain relief bushing. During
transmissions, the red operation indicator (visible through a window on the case) lights. If
the XT-1’s input voltage is low, the indicator will blink during transmissions.

4. INSTALLATION TIPS
ANTENNA
CONNECTOR
(HIDDEN)

USE ANT-1A ANTENNA FOR
SHORT RANGE APPLICATIONS
(LESS THAN 1 MILE)

SWITCH "A"

SWITCH "B"

STRAIGHT-THRU
CONNECTOR
(CON-180A)

GOOD INSTALLATION

OPTION
SWITCH

3-FOOT
ANT-2
ANTENNA

UNIVERSAL
MOUNTING BRACKET

USE ANT-2 ANTENNA FOR MAXIMUM
RANGE OR DIFFICULT APPLICATIONS

TRANSMIT &
LOW BATTERY
INDICATOR

MOUNT ANTENNA AS HIGH AS POSSIBLE

OK

POWER & INPUT
TERMINAL BLOCK

FAIR

AT LEAST 9 FEET
ABOVE GROUND IS
RECOMMENDED

9 FEET
WHEN MOUNTING ON
THE SIDE OF A
STRUCTURE, USE A
MINIMUM OF A 3-FOOT
SPACER TO DISTANCE
THE ANTENNA FROM
THE STRUCTURE

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.
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.

GOOD ANTENNAS NEED GOOD GROUNDS

3'

POWER FUSE
(3-AMP 3AG)

CASE SCREWS

TRANSMITTING THROUGH
STRUCTURES, METAL AND
GEOGRAPHIC OBSTACLES WILL
REDUCE RADIO RANGE

METAL ROOF

N/O - N/C
INPUT SELECT
JUMPER

END CAP STAYS
ATTACHED TO
THE CIRCUIT
BOARD

MOUNT UNIT WITH
TWO BOTTOM SCREWS
(DON'T INSTALL TOP
SCREWS UNTIL WIRING
IS COMPLETE)

BAD INSTALLATION

ANTENNAS ARE MOUNTED
VERTICALLY, ON HIGH POINTS
OF BUILDINGS

BOARD FITS IN
3RD SLOT UP

18-FOOT CABLE

LINE-OF-SIGHT
BETWEEN THE
TRANSMITTER AND
RECEIVER ANTENNAS
WILL PROVIDE THE
BEST RANGE

RF TEST
BUTTON

REFERENCE
CARD FITS IN
1ST SLOT

5. MOUNT TRANSMITTER CASE

RIGHT ANGLE
CONNECTOR
(CON-90A)
8-INCH
ANT-1A
ANTENNA

REMOVE FOUR
CASE SCREWS AND
SLIDE OUT CIRCUIT
BOARD

IDEALLY, A GROUND
PLANE WITH A RADIUS
OF NINE FEET MINIMUM
IS DESIRED

POOR

ANTENNA LOCATION IS
OF PRIMARY CONCERN

UNIT SHOULD BE
MOUNTED IN SHELTERED
LOCATION WITH ACCESS
TO ANTENNA CO-AX AND
POWER/SIGNAL WIRES

6. SET TRANSMITTER SWITCHES

7. CONNECT POWER AND TRIGGER INPUTS

OPTION SWITCH
STATUS REPORTS
SWITCH 5
OFF NO STATUS REPORTS
ON STATUS REPORTS

JUMPER SET FOR
NORMALLY OPEN

WARNING

INPUT

GND

THIS UNIT REQUIRES 12 VDC AT 2 AMPS.
THE NO-LOAD VOLTAGE OF THE SUPPLY
MUST NOT EXCEED 17.5 VDC OR DAMAGE
TO THE UNIT WILL OCCUR!

OPTION SWITCH

1/8 W
Minimum

FOR RUNS LONGER THAN 3' CONNECT
THE SUPPLIED 10K Ω RESISTOR FROM
THE +12V SUPPLY TO THE "INPUT"
TERMINALOF THE SENSOR SWITCH.

USE 3-FOOT LONG ANT-2 ANTENNA FOR LONGER
RANGE APPLICATIONS OR DIFFICULT
INSTALLATIONS

MOUNT ANTENNAS AS HIGH AS POSSIBLE
(A METAL MOUNTING POLE IS RECOMMENDED)

TRIGGERING DEVICE
(N/O OR N/C)

AN 18-FOOT RG-58 CABLE IS SUPPLIED WITH THE
ANT-2 KIT. UP TO 50 FEET OF RG-58 CAN BE USED.
USE RG-8 FOR UP TO 100-FOOT CABLE RUNS.

FROM 12 VDC, 2-AMP
REGULATED POWER SOURCE
NOTE: MAXIMUM POWER WIRE
RUN 25-FEET WITH 18 AWG WIRE

9. TEST SYSTEM

TO UNIT

10. COMPLETE INSTALLATION

SLIDE BOARD INTO
CASE IN THE 3RD
SLOT UP

INSTALL AND SETUP
THE COMPANION UNIT
AS DESCRIBED IN ITS
INSTALLATION
INSTRUCTIONS

LINEAR LIMITED WARRANTY

SECURE END PLATE BY
INSTALLING THE FOUR
CASE SCREWS
INSTALL THE TWO REMAINING
MOUNTING SCREWS

WARNING
NEVER CONNECT THE TRANSMITTER AND
RECEIVER ANTENNA CONNECTORS
DIRECTLY TO EACH OTHER. MAJOR
DAMAGE TO BOTH UNITS WILL OCCUR!

TRANSMITTER
APPLY POWER AND TRIGGER THE
TRANSMITTER'S INPUT

THE TRANSMIT INDICATOR
SHOULD LIGHT WHEN THE
TRANSMITTER IS TRIGGERED

RECEIVER

TIGHTEN WIRING STRAIN
RELIEF BUSHING TO
SECURE AND WEATHER
PROOF WIRING

THE RECEIVER'S SIGNAL
INDICATOR SHOULD LIGHT AND
OUTPUT SHOULD ACTIVATE

IF SYSTEM FAILS TEST, CHECK POWER, SWITCH
SETTINGS AND ANTENNA CONNECTIONS

CON-180A
STRAIGHT
CONNECTOR

JUMPER SET FOR
NORMALLY CLOSED

ROUTE WIRES THROUGH CASE
STRAIN RELIEF BUSHING BEFORE
CONNECTING TO TERMINALS

SWITCH "B"

ANT-1A
ANTENNA

CON-180A + CON-90A
ANGLE CONNECTOR

USE 18-24 AWG WIRE
TO CONNECT POWER
AND TRIGGER INPUT

INSTR,INSTL,XT-1
LINEAR P/N: 215227 C
MATERIAL: 20 LB. MEAD BOND
SIZE: 8.500" X 11.000"
SCALE: 1-1
INK: BLACK
SIDE 2 OF 2 (BACK)

USE ANT-1A ANTENNA
FOR SHORT RANGE (LESS
THAN 1 MILE)
APPLICATIONS

AUTO RESTORAL
SWITCH 6
OFF MANUAL RESTORE
ON AUTO RESTORE

SYSTEM CODE SWITCHES
SET SYSTEM CODE SWITCHES A & B
TO MATCH SYSTEM CODE
SWITCHES A & B IN THE RECEIVER
SWITCH "A"

SET INPUT SELECT JUMPER TO MATCH INPUT TYPE

+ 12 VDC

RECEIVER BANK
BANK #
SWITCH 3 SWITCH 4
1
OFF
OFF
2
ON
OFF
3
OFF
ON
4
ON
ON
SET SWITCHES 3 & 4 TO SELECT THE
RECEIVER BANK THE TRANSMITTER
ACTIVATES (USED ONLY FOR 16 CHANNEL
RECEIVER, USE BANK 1 FOR ALL OTHERS)

GND

RECEIVER CHANNEL
CH #
SWITCH 1 SWITCH 2
1
OFF
OFF
2
ON
OFF
3
OFF
ON
4
ON
ON
SET SWITCHES 1 & 2 TO SELECT THE
RECEIVER CHANNEL THE TRANSMITTER
ACTIVATES (USE CHANNEL 1 FOR SINGLE
CHANNEL RECEIVERS)

8. MOUNT ANTENNA AND ROUTE CABLE

TEST SYSTEM AGAIN AFTER
COMPLETING INSTALLATION

This Linear product is warranted against defects in material and workmanship
for twelve (12) months. The Warranty Expiration Date is labeled on the product.
This warranty extends only to wholesale customers who buy direct from Linear or
through Linear’s normal distribution channels. Linear does not warrant this product
to consumers. Consumers should inquire from their selling dealer as to the nature of
the dealer’s warranty, if any. There are no obligations or liabilities on the part of
Linear LLC for consequential damages arising out of or in connection with use
or performance of this product or other indirect damages with respect to loss of
property, revenue, or profit, or cost of removal, installation, or reinstallation. All
implied warranties, including implied warranties for merchantability and implied
warranties for fitness, are valid only until Warranty Expiration Date as labeled on the
product. This Linear LLC Warranty is in lieu of all other warranties express or
implied.
All products returned for warranty service require a Return Product Authorization
Number (RPA#). Contact Linear Technical Services at 1-800-421-1587 for an RPA#
and other important details.
IMPORTANT !!!
Linear radio controls provide a reliable communications link and fill an important need
in portable wireless signaling. However, there are some limitations which must be
observed.
1 WARNING: THIS PRODUCT IS NOT TO BE USED IN LIFE 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.
1 For U.S. installations only: The radios are required to comply with FCC Rules and Regulations as Part 95
Radio Control devices. As such, they have limited transmitter power and therefore limited range.
1 A receiver cannot respond to more than one transmitted signal at a time and may be blocked by radio signals
that occur on or near their operating frequencies, regardless of code settings.
1 Changes or modifications to the device may void FCC compliance.
1 Infrequently used radio links should be tested regularly to protect against undetected interference or fault.
1 A general knowledge of radio and its vagaries should be gained prior to acting as a wholesale distributor or
dealer, and these facts should be communicated to the ultimate users.
Copyright © 2005 Linear LLC

215227 C



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