Linear D-22B warranty Measure, Voltage, Power, Common

D-22B						TRANSMITTER DESCRIPTION			D-22B transmitter switch key 1 is unused and can be set in
					The D-22B is a two-button, two-channel hand-held digital radio				any position. The transmitter pushbuttons control the signal that
					transmitter. The transmitter can perform a variety of remote				would normally be controlled by switch key 1. Pressing the right
					switching tasks when used with any of Linear’s Standard Digital				button sends a signal as if switch key 1 is OFF. Pressing the left
DIGITAL					“D” Series Receivers. Typically the D-22B is used in wireless or				button sends a signal as if switch key 1 is ON.
					hybrid wireless/hardwire security systems.				✶ CAUTION: All Standard Digital transmitters and receivers should be
TRANSMITTER					The transmitter is powered by a 9-volt battery. Pressing the right				recoded prior to installation and operation.
									In order to avoid the possibility of duplicating codes in adjacent
					button will send a “Channel 1” signal, pressing the left button will
					send a “Channel 2” signal. Hold buttons for at least 2 seconds				systems, factory set codes should not be used. In addition, among
Code Setting					to activate the transmitter. The red LED on the face of the				the valid codes available, four others should not be used. These
					transmitter will glow as the unit transmits and the receiver with the				include: all keys set ON or OFF and keys set in an alternating
Instructions					matching digital code will activate.				ON/OFF or OFF/ON pattern.
					The Standard Digital radio format provides up to 256 different				The D-22B will transmit as long as a button is pressed. Depending
					digital codes. The code is set using the 8-position coding switches				on conditions (interference, obstacles and distance to the receiver)
					in the transmitter and 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
	(619) 438-7000 ∙ FAX (619) 438-7043								apart.
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STEP 1	Locate coding switch. Remove the battery access				STEP 2A	Coding for single-channel receivers. Pick any valid			STEP 2B	Coding for two-channel receivers. P i ck an y
door located on the back of the transmitter case. Identify the					combination of OFF/ON codes and set them on switch keys 2-8 in				combination of OFF/ON codes and set them on switch keys 3-8 in
coding switch and note that it has eight positions, with ON and					the transmitter Match the same code on switch keys 2-8 in the				the receiver. Match the same code on switch keys 3-8 in the
OFF clearly marked.					receiver. Set receiver switch key 1 to OFF for the receiver to				transmitter. Set the transmitter switch 2 to OFF. Right button will
					activate from the right transmitter button (Channel 1). Set receiver				activate Channel 1, left button will activate Channel 2. 2-Channel
REMOVE BATTERY					switch key 1 to ON for the receiver to activate from the left				receiver switch keys 1 & 2 are unused and can be set in any
ACCESS DOOR					transmitter button (Channel 2).				position.
							CODING SWITCHES IN RECEIVER		D-22B CODING SWITCH		CODING SWITCH IN
					D-22B CODING SWITCH		RECEIVER FOR	TRIGGERS FROM			TWO-CHANNEL RECEIVER
							CHANNEL 1	RIGHT BUTTON
							MATCH	MATCH
							2-8
								2-8
							SET
							1 OFF
			CODING					SET		SET KEYS 3-8 TO	MATCH CODE
			SWITCH			SET KEYS		1 ON		ANY VALID CODE	ON KEYS 3-8
					KEY 1 IS	2-8 TO ANY	RECEIVER FOR	TRIGGERS FROM	KEY 1 IS	SET KEY	KEYS 1 & 2
					UNUSED	CODE	CHANNEL 2	LEFT BUTTON
									UNUSED	2 OFF	ARE UNUSED
STEP 3	Test the equipment. Connect the receiver to its power					BATTERY REPLACEMENT				LINEAR LIMITED WARRANTY
source. With relay output receivers, listen for the relay click when					The battery should last 12 to 18 months with normal use. When				This Linear product is warranted against defects in material and workmanship for twelve (12) months. The
the transmitter is activated. A multi-meter can be used to detect					the red LED lights dimly, or not at all when transmitting, the battery				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
activation of relay and solid state output receivers. Operate the					needs to be replaced. Remove the battery access door to change				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
transmitter from various locations to determine the radio range.					the battery. Any type of 9-volt battery can be used. Replace the
									arising out of or in connection with use or performance of this product or other indirect damages with
					battery door and foam battery pad when finished.				respect to loss of property, revenue, or profit, or cost of removal, installation, or reinstallation. All implied
			DCV	DCV					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.
									For warranty service on Linear equipment return product, at sender’s expense to:
									Linear Corporation Repairs Department
									2580 Pioneer Avenue, Suite C
					REPLACE BATTERY WITH				Vista, CA 92083
	MEASURE		MEASURE	MEASURE					IMPORTANT !!!
					FRESH 9-VOLT BATTERY
	RESISTANCE		VOLTAGE	VOLTAGE
									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.
				POWER					✶ For U.S. installations only: The radios are required to comply with FCC Rules and Regulations as Part 15
	NORMALLY		POWER						devices. As such, they have limited transmitter power and therefore limited range.
COMMON									✶ A receiver cannot respond to more than one transmitted signal at a time and may be blocked by radio signals
	OPEN	OUTPUT	OUTPUT
									that occur on or near their operating frequencies, regardless of code settings.
									✶ Changes or modifications to the device may void FCC compliance.
				SHORT					✶ 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
				-TO-
									dealer, and these facts should be communicated to the ultimate users.
	RELAY		VOLTAGE	COMMON
	OUTPUT		OUTPUT	OUTPUT
	RECEIVER		RECEIVER	RECEIVER					Copyright © 1995 Linear Corporation		200856 C