Linx Technologies CMD-HHCP-XXX Remote Command Unit User Manual CMD HHCP MANUAL qxp

Linx Technologies Remote Command Unit CMD HHCP MANUAL qxp

Users Manual

OEM CONFIGURATIONSWith a one-time NRE and minimumorder, Linx can configure thekeypad and label areas to meetyour specific requirements. ContactLinx for details.OEM COMPACT HANDHELD TRANSMITTER DATA GUIDECMD-HHCP-xxxDESCRIPTIONThe Linx HHCP Remote CommandUnit is ideal for general-purposeremote-control and command appli-cations.This unit has been precertifiedfor FCC Part-15 compliance whichreduces costs and time to productintroduction. Available in 315, 418 or433.92MHz (418MHz standard), thiscompact handheld remote is capableof up to 150 ft. transmission range.Thetransmitter unit can be configured with1-8 buttons and the keypad andlabeling can be modified to meetspecific customer requirements.Selectable addressing providessecurity and allows the creation of upto 1024 distinct transmitter-receiverrelationships. The transmission can bedecoded using a matching Linxfunction module, KH-Series Module, ora Linx LC-Series receiver paired with adecoder IC or microcontroller. The unitoperates from a single 3-volt lithiumcell.■General Remote Control ■Keyless Entry■Garage / Gate Openers■Lighting Control■Call Systems■Home / Industrial Automation■ Wire EliminationAPPLICATIONS INCLUDE:PART # DESCRIPTIONCMD-HHCP-xxx 8-Button Compact Transmitterxxx = 315, 418*, 433* = Standard FrequencyORDERING INFORMATION1B23AC54CONTROLLERONONONOFFCONTROLLERPhysical DimensionsRevised 3/20/02
Page 2THEORY OF OPERATIONThe CMD-HHCP-xxx Remote Command Unit combines the popular Linx LC-Series transmitter with an internal Splatch antenna, and a commonly availableencoder IC to form a simple yet effective RF remote-control transmitter. When abutton is activated on the remote unit, power is applied to the internal circuitryand the encoder IC is enabled. The encoder then detects the logic states of theDIP-switch address and button data lines.These states are then formatted into a3-word transmission cycle which continues until the button is released. Theencoder data is used to modulate the transmitter which through the antennaconveys the data into free space. The transmitted signal may be received by anyLinx LC- or KH-Series receiver or pre-made function module. Once data isreceived, a decoder IC or custom microcontroller is used to check thetransmitter's address bits against the address settings of the receiving device. Ifa match is confirmed, the decoder’s output(s) are set to replicate the transmitter’sbutton status.SETTING THE TRANSMITTER ADDRESSIn order to allow the formation ofup to 1024 unique Transmitter-Receiver relationships, thetransmitter’s address may beselected using internal DIPswitches as shown.The switchesare accessed by removing theDIP-switch access cover.CONTENTION CONSIDERATIONSIt is important to understand that only one transmitter at a time can be activatedwithin a reception area. While the transmitted signal consists of encoded digitaldata, only one carrier of any frequency can occupy airspace without contentionat any given time.BATTERY REPLACEMENTThe remote unit utilizes a CR-2032 Button Lithium Cell.In normal use it will provide 1-2 years of operation.Access for replacement is accomplished by removing thebattery access cover by pressing down firmly on the labelarea and sliding it off. Once the unit is open, remove thebattery by sliding it from beneath the holder. Replace thecell with the same type while observing the polarityshown.Battery Access+ADDRESSA0 = 1A1 = 2A2 = 3A3 = 4A4 = 5A5 = 6A6 = 7A7 = 8A8 = 9A9 = 10
Page 3HHCP Assembly
Page 4COMPLIANCE REQUIREMENTSThe CMD-HHCP-xxx has been pre-certified by Linx for FCC Part-15 compliancewhen used with an appropriate function module in keeping with the applicationsallowed under section 15.231.LABELING/INSTRUCTION REQUIREMENTSThe CMD-HHCP-xxx Remote Command Unit has already been labeled inaccordance with FCC regulations in effect as of the date of this document. Nofurther labeling of the unit is needed; however, it is necessary to include thefollowing statement in the end product’s instruction manual or insert card.INSTRUCTION TO THE USERThis equipment has been tested and found to comply with the limits fora Class B digital device, pursuant to Part 15 of the FCC Rules. Theselimits are designed to provide reasonable protection against harmfulinterference in a residential installation. This equipment generates,uses and can radiate radio frequency energy and, if not installed andused in accordance with the instructions, may cause harmfulinterference to radio communications. However, there is no guaranteethat interference will not occur in a particular installation. If thisequipment does cause harmful interference to radio or televisionreception, which can be determined by turning the equipment off andon, the user is encouraged to try to correct the interference by one ormore of the following measures:Reorient or relocate the receiving antenna.Increase the separation between the equipment and receiver.Connect the equipment into an outlet on a circuit different from that towhich the receiver is connected.Consult the dealer or an experienced radio/TV technician for help.This equipment has been certified to comply with the limits for a ClassB computing device, pursuant to FCC Rules. In order to maintaincompliance with FCC regulations, shielded cables must be used withthis equipment. Operation with non-approved equipment or unshieldedcables is likely to result in interference to radio and TV reception. Theuser is cautioned that changes and modifications made to theequipment without the approval of manufacturer could void the user'sauthority to operate this equipment.Place the above statement in the instruction manual or insert card.
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Page 6LINX TECHNOLOGIES, INC.575 S.E. ASHLEY PLACEGRANTS PASS, OR 97526PHONE: (541) 471-6256FAX: (541) 471-6251http://www.linxtechnologies.comU.S. CORPORATE HEADQUARTERS:Linx Technologies is continually striving to improve the quality and function of its products; forthis reason, we reserve the right to make changes without notice. The information contained inthis Data Sheet is believed to be accurate as of the time of publication. Specifications are basedon representative lot samples. Values may vary from lot to lot and are not guaranteed. LinxTechnologies makes no guarantee, warranty, or representation regarding the suitability orlegality of any product for use in a specific application. None of these devices is intended for usein applications of a critical nature where the safety of life or property is at risk.The user assumesfull liability for the use of product in such applications. Under no conditions will Linx Technologiesbe responsible for losses arising from the use or failure of the device in any application, otherthan the repair, replacement, or refund limited to the original product purchase price. Somedevices described in this publication are patented. Under no circumstances shall any user beconveyed any license or right to the use or ownership of these patents.Disclaimer© 2002 by Linx Technologies, Inc. The stylizedLinx logo, Linx, and “Wireless made Simple”are the trademarks of Linx Technologies, Inc. Printed in U.S.A.

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