Linear Satellite Radio D 22D User Manual

D-22D transmitter switch key 1 is unused and can be set in  
any position. The transmitter pushbuttons control the signal that  
would normally be controlled by switch key 1. Pressing either  
pushbutton sends a signal as if switch key 1 is OFF. Pressing both  
pushbuttons sends a signal as if switch key 1 is ON.  
CAUTION: All Standard Digital transmitters and receivers should be  
recoded prior to installation and operation.  
In order to avoid the possibility of duplicating codes in adjacent  
systems, factory set codes should not be used. In addition, among  
the valid codes available, four others should not be used. These  
include: all keys set ON or OFF and keys set in an alternating  
ON/OFF or OFF/ON pattern.  
The D-22D will transmit as long as a pushbutton is pressed.  
Depending on conditions (interference, obstacles and distance to the  
receiver) the receiver output may or may not stay activated for as  
long as the transmitter is sending a signal.  
CAUTION: If using two receivers, be sure they are located at least 10 feet  
apart.  
TRANSMITTER DESCRIPTION  
The D-22D is a two-button, two-channel hand-held digital radio  
transmitter with a special lock-out feature. The transmitter can  
perform a variety of remote switching tasks when used with any of  
Linear’s Standard Digital “D” Series Receivers. Typically the  
D-22D is used in wireless or hybrid wireless/hardwire security  
systems.  
The transmitter is powered by a 9-volt battery. Pressing either  
button will send a “Channel 1" signal, pressing both buttons will  
send a ”Channel 2" signal. Hold buttons for at least 2 seconds  
to activate the transmitter. The red LED on the face of the  
transmitter will glow as the unit transmits and the receiver with the  
matching digital code will activate.  
D-2 2 D  
DIGITAL  
TRANSMITTER  
Co d e Se tting  
Instruc tio ns  
The Standard Digital radio format provides up to 256 different  
digital codes. The code is set using the 8-position coding switches  
in the transmitter and receiver.  
(619) 438-7000 FAX (619) 438-7043  
USA & Ca na d a (800) 421-1587 & (800) 392-0123  
To ll Fre e FAX (800) 468-1340  
STEP 1 Locate coding switch. Remove the battery access  
door located on the back of the transmitter case. Identify the  
coding switch and note that it has eight positions, with ON and  
OFF clearly marked.  
STEP 2A Coding for single-channel receivers. Pick any valid  
combination of OFF/ON codes and set them on switch keys 2-8 in  
the transmitter Match the same code on switch keys 2-8 in the  
receiver. Set receiver switch key 1 to OFF for the receiver to  
activate from either transmitter button (Channel 1). Set receiver  
switch key 1 to ON for the receiver to activate only when both  
transmitter buttons are pressed (Channel 2).  
STEP 2B Coding for two-channel receivers. Pick any  
combination of OFF/ON codes and set them on switch keys 3-8 in  
the receiver. Match the same code on switch keys 3-8 in the  
transmitter. Set the transmitter switch 2 to OFF. Either button will  
activate Channel 1, both buttons will activate Channel 2.  
2-Channel receiver switch keys 1 & 2 are unused and can be  
set in any position.  
REMOVE BATTERY  
ACCESS DOOR  
D-22D CODING SWITCH  
CODING SWITCH IN  
TWO-CHANNEL RECEIVER  
CODING SWITCHES IN RECEIVER  
D-22D CODING SWITCH  
TRIGGERS FROM  
EITHER BUTTON  
RECEIVER FOR  
CHANNEL 1  
MATCH  
2-8  
MATCH  
2-8  
SET  
1 OFF  
CODING  
SWITCH  
SET  
1 ON  
SET KEYS 3-8 TO  
ANY VALID CODE  
MATCH CODE  
ON KEYS 3-8  
SET KEYS  
2-8 TO ANY  
CODE  
RECEIVER FOR  
CHANNEL 2  
KEY 1 IS  
UNUSED  
TRIGGERS FROM  
BOTH BUTTONS  
KEY 1 IS  
UNUSED  
SET KEY  
2 OFF  
KEYS 1 & 2  
ARE UNUSED  
STEP 3 Test the equipment. Connect the receiver to its power  
source. With relay output receivers, listen for the relay click when  
the transmitter is activated. A multi-meter can be used to detect  
activation of relay and solid state output receivers. Operate the  
transmitter from various locations to determine the radio range.  
BATTERY REPLACEMENT  
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.  
The battery should last 12 to 18 months with normal use. When  
the red LED lights dimly, or not at all when transmitting, the battery  
needs to be replaced. Remove the battery access door to change  
the battery. Any type of 9-volt battery can be used. Replace the  
battery door and foam battery pad when finished.  
DCV  
DCV  
For warranty service on Linear equipment return product, at sender’s expense to:  
Linear Corporation Repairs Department  
2580 Pioneer Avenue, Suite C  
Vista, CA 92083  
REPLACE BATTERY WITH  
FRESH 9-VOLT BATTERY  
MEASURE  
RESISTANCE  
MEASURE  
VOLTAGE  
MEASURE  
VOLTAGE  
IMPORTANT !!!  
Linear radio controls provide a reliable communications link and fill an important need in portable wireless  
signalling. However, there are some limitations which must be observed.  
For U.S. installations only: The radios are required to comply with FCC Rules and Regulations as Part 15  
devices. As such, they have limited transmitter power and therefore limited range.  
POWER  
NORMALLY  
OPEN  
POWER  
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.  
COMMON  
OUTPUT  
OUTPUT  
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.  
SHORT  
-TO-  
COMMON  
OUTPUT  
RECEIVER  
RELAY  
OUTPUT  
RECEIVER  
VOLTAGE  
OUTPUT  
RECEIVER  
Copyright © 1994 Linear Corporation  
200858 B  
 

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