Linear Satellite Radio XT 1H User Manual

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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