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

D-22D						TRANSMITTER DESCRIPTION			D-22D transmitter switch key 1 is unused and can be set in
					The D-22D is a two-button, two-channel hand-held digital radio				any position. The transmitter pushbuttons control the signal that
					transmitter with a special lock-out feature. The transmitter can				would normally be controlled by switch key 1. Pressing either
					perform a variety of remote switching tasks when used with any of				pushbutton sends a signal as if switch key 1 is OFF. Pressing both
DIGITAL					Linear’s Standard Digital “D” Series Receivers. Typically the				pushbuttons sends a signal as if switch key 1 is ON.
					D-22D is used in wireless or hybrid wireless/hardwire security				✶ CAUTION: All Standard Digital transmitters and receivers should be
TRANSMITTER					systems.				recoded prior to installation and operation.
					The transmitter is powered by a 9-volt battery. Pressing either				In order to avoid the possibility of duplicating codes in adjacent
					button will send a “Channel 1" signal, pressing both buttons will				systems, factory set codes should not be used. In addition, among
Code Setting					send a ”Channel 2" signal. Hold buttons for at least 2 seconds				the valid codes available, four others should not be used. These
					to activate the transmitter. The red LED on the face of the				include: all keys set ON or OFF and keys set in an alternating
Instructions					transmitter will glow as the unit transmits and the receiver with the				ON/OFF or OFF/ON pattern.
					matching digital code will activate.				The D-22D will transmit as long as a pushbutton is pressed.
					The Standard Digital radio format provides up to 256 different				Depending on conditions (interference, obstacles and distance to the
					digital codes. The code is set using the 8-position coding switches				receiver) the receiver output may or may not stay activated for as
					in the transmitter and receiver.				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. Either button will
					activate from either transmitter button (Channel 1). Set receiver				activate Channel 1, both buttons will activate Channel 2.
REMOVE BATTERY					switch key 1 to ON for the receiver to activate only when both				2-Channel receiver switch keys 1 & 2 are unused and can be
ACCESS DOOR					transmitter buttons are pressed (Channel 2).				set in any position.
							CODING SWITCHES IN RECEIVER		D-22D CODING SWITCH		CODING SWITCH IN
					D-22D CODING SWITCH		RECEIVER FOR	TRIGGERS FROM			TWO-CHANNEL RECEIVER
							CHANNEL 1	EITHER 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	BOTH BUTTONS
									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 © 1994 Linear Corporation		200858 B