1. PRODUCT DESCRIPTION
2. COMPONENT LOCATIONS
3. INSTALL ANTENNA & BELT CLIP
WARNING: THIS
PRODUCT SHOULD NOT
BE USED IN LIFE
Linear’s Xtended Range FM transmitters and receivers are designed
for use in various wireless remote control applications. When
activated, the XT-H portable transmitters will send a 2 watt, 27.255
MHz, digital encoded, FSK modulated, signal to their companion
receiver. The receiver will verify the digital code, activate its output,
and trigger the remote device.
XT-1H
XT-2H
XT-4H
SAFETY APPLICATIONS.
CONNECT
ANTENNA TO
TRANSMITTER
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.
These transmitters are available in three models. The Model XT-1H
is a one-button, single channel transmitter. The Model XT-4H is a
four-button, four channel transmitter. The Model XT-2H is a
two-button transmitter with two operating modes. In standard mode,
the XT-2H is a three channel device, pressing the left button sends
channel one; the right button sends channel two; both buttons send
channel three. In lockout mode, the XT-2H will only send a signal (on
the channel selected) when both buttons are pressed. Each
transmission is limited to a maximum of 30 seconds duration.
TWIST TO LOCK
CONNECTOR
SLIDE BATTERY
DOOR DOWN TO
EXPOSE BATTERY
COMPARTMENT
XTENDED RANGE
PORTABLE
SYSTEM
SWITCH "B"
OPTION
SWITCH
MODE
JUMPER
TRANSMITTERS
For Use With Linear’s
XR Series Xtended
Range Receivers
The XT-H portable transmitters are powered by two 9-volt alkaline
batteries in series, supplying 18 volts. During transmissions, the red
operation indicator will light (visible through a window next to the
antenna). If the transmitter’s battery voltage is low, the indicator will
blink during transmissions. The XT-H transmitters have battery
supervision capabilities. If the combined battery voltage drops below
12 volts, a low battery message will be included with any signal
transmitted, causing the receiver’s low battery output to activate. The
test button next to the indicator sends a test transmission when
pressed.
IF REQUIRED,
ATTACH THE METAL
BELT CLIP TO THE
REAR OF THE UNIT
WITH THE SCREW
SUPPLIED
Operation
Instructions
SYSTEM
SWITCH "A"
Two 8-position switches set the unit’s system code. This code must
be matched in the transmitter’s companion receiver. There are
65,536 different system codes possible. The 4-position option switch
selects the transmitter’s channel (XT-1H & XT-2H in lockout mode
only) and the receiver’s bank (for the XR-16 receiver only).
XT-4H
9-VOLT
ALKALINE
BATTERIES
(760) 438-7000 • FAX (760) 438-7043
USA & Canada (800) 421-1587 & (800) 392-0123
Toll Free FAX (800) 468-1340
Each model transmitter is provided with a 6-inch “rubber duck”
antenna and a removable belt clip.
4. CONNECT BATTERIES
5. SET SWITCHES
6. TEST SYSTEM
BEFORE TESTING,
LINEAR LIMITED WARRANTY
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 Corporation 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 Corporation Warranty is in lieu of all other
warranties express or implied.
SET SYSTEM CODE
SWITCHES "A" & "B"
TO MATCH SYSTEM
CODE SWITCHES "A" & "B"
IN THE RECEIVER
OPTION
SWITCH
REPLACE BATTERY DOOR
SYSTEM CODE
SWITCH "A"
SYSTEM CODE
SWITCH "B"
MODEL XT-1H
PRESS BUTTON, VERIFY THAT
THE PROGRAMMED CHANNEL
IN THE RECEIVER ACTIVATES.
OPTION SWITCH
1
2
3
4
CONNECT THE TWO
9-VOLT ALKALINE
BATTERIES
MODEL XT-2H
(IN STANDARD MODE)
BANK
2
CHANNEL
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.
PRESS LEFT BUTTON, RIGHT
BUTTON, THEN BOTH BUTTONS.
VERIFY THAT RECEIVER CHANNELS
1, 2 AND 3 ACTIVATE.
BANK#
1
3
4
CH#
1
2
3
4
OFF OFF
ON OFF
OFF ON
ON ON
OFF OFF
ON OFF
OFF ON
ON ON
1
2
3
4
SET OPTION SWITCH
TO SELECT RECEIVER'S
BANK AND CHANNEL (DON'T
SET CHANNEL ON XT-4H OR XT-2H IN STANDARD MODE, THE
FRONT BUTTONS CONTROL THE TRANSMITTER'S CHANNEL)
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.
TUCK BATTERIES
INTO BATTERY COMPARTMENT
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.
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.
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.
Changes or modifications to the device may void FCC compliance.
Infrequently used radio links should be tested regularly to protect against
undetected interference or fault.
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.
MODEL XT-2H
(IN LOCKOUT MODE)
MODEL XT-2H ONLY
MODE JUMPER CAN BE REMOVED TO
SELECT TWO-BUTTON LOCKOUT MODE
JUMPER ON
"STANDARD" MODE
LEFT BUTTON = CH1
RIGHT BUTTON = CH2
BOTH BUTTONS = CH3
PRESS BOTH TRANSMITTER BUTTONS,
VERIFY THAT THE PROGRAMMED
CHANNEL IN THE RECEIVER ACTIVATES.
PRESS EITHER BUTTON, VERIFY THAT
NO SIGNAL IS SENT.
MODE JUMPER
NEEDLENOSE
PLIERS
JUMPER OFF
"LOCKOUT" MODE
LEFT BUTTON = NO SIGNAL
RIGHT BUTTON = NO SIGNAL
BOTH BUTTONS = CHANNEL
SET ON OPTION SWITCH
MODEL XT-4H
PRESS EACH TRANSMITTER BUTTON,
VERIFY THAT THE CORRECT CHANNEL
IN THE RECEIVER ACTIVATES
FOR EACH BUTTON.
APPLY PROPER
BUTTON LABEL
TO MATCH MODE
CHOSEN
Copyright © 1997 Linear Corporation
215424 A
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