Samsung Electro Mechanics ST-GM42003N ESL Graphic TAG User Manual

Samsung Electro Mechanics ESL Graphic TAG

User manual

REV 1.0 Samsung Electro CUSTOMER APPROVAL SHEETCompany NameMODEL CUSTOMER APPROVAL APPROVAL FOR SPECIFICATIONS ONLY (Spec. Ver. CUSTOMER REMARK : Issued ByIH Jo 150, Maeyoung-ro(Maetan S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidential CUSTOMER APPROVAL SHEET Company Name ST-GM4200 APPROVAL FOR SPECIFICATIONS ONLY (Spec. Ver. 1.CUSTOMER REMARK : Issued By Checked By Approved ByIH Jo YB Lee JG Ryu Samsung Electro-Mechanics Maetan3-Dong), YoungTong-Gu, Suwon, GyeonTel : 82-31-210-5114 TAG Datasheet(ST-GM42003N) Proprietary and Confidential 1/21 CUSTOMER APPROVAL SHEET 003N 1.0 ) Approved By eonggi-Do, Korea
REV 1.0 Samsung Electro S-TAG Datasheet S-Label (Electronic Label System) REV 1.0 Samsung Electro-Mechanics 2015-06-30 Summary This datasheet presents the general performance and specificationShelf Label) system, which is based on S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialDatasheet Label (Electronic Label System) general performance and specifications of S-Tag for based on IEEE 802.15.4. © 2015 Samsung Electro-Mechanics. All rights reservedThe names of actual companies and products mentioned herein may be the trademarks of their respective ownNo part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means without the express written consent of Samsung ElectroMechanics. This document is subject to change without notice.TAG Datasheet(ST-GM42003N) Proprietary and Confidential 2/21 for S-Label ESL (Electronic Mechanics. All rights reserved The names of actual companies and products mentioned herein may be the trademarks of their respective owners. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means without the express written consent of Samsung Electro-This document is subject to change without notice.
REV 1.0 Samsung Electro Table of Contents 1 GENERAL DESCRIPTION 1.1 FEATURES ................................1.2 TYPICAL APPLICATIONS ................................1.3 APPEARANCE ................................2 SPECIFICATION ................................2.1 PRODUCT SPECIFICATION ................................2.2 RADIO (RF) SPECIFICATION2.3 NFC SPECIFICATION................................2.4 MECHANICAL DRAWING ................................2.5 LABELS ................................2.6 BARCODE SCANNING ................................3 OPERATION TEST ................................4 ESL OPERATION BY DISPLAY5 PACKAGE ................................6CAUTIONS FOR TREATME6.1 USAGE ENVIRONMENT ................................6.2 STORAGE AND USE ................................6.3 BATTERY REPLACEMENT ................................6.4 FCC ................................ S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidential ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................PECIFICATION ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................PLAY ................................................................................................................................................................CAUTIONS FOR TREATMENT................................................................................................................................................................................................................................................................................................................................................................................................................................................................TAG Datasheet(ST-GM42003N) Proprietary and Confidential 3/21 ..................................... 5......................................................... 6......................................... 6...................................................... 6.................................................. 7....................................... 7................................... 7............................................. 8......................................... 8............................................................ 10............................................ 12.............................................. 13........................................................... 15........................................................... 18............................................................. 19.......................................... 19.............................................. 19........................................ 20............................................................... 21
REV 1.0 Samsung Electro Document History Rev. Date 1.0 30 Jun15 Initial release S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialRevision history Initial release TAG Datasheet(ST-GM42003N) Proprietary and Confidential 4/21 Page -
REV 1.0 Samsung Electro 1 General Description This S-Tag product is a part ofGateway (S-Gate), Remote controllerdisplays price and other product information on paper in places like retail markets. S-Tag receives product price/information updates from and other information. S-Tag is the product based on IEEE standard 802.15.4 for low power wireleapplications. S-Tag consists of RF transceiver, RF circuitry and 802.15.4 based network protocol and MAC protocol and other peripheral devices. S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialDescription product is a part of Samsung S-Label (Electronic Shelf Label) system as well as S, Remote controller (S-RC). S-Label system make up a system that electronically displays price and other product information on S-Tags, which has been traditionally printedpaper in places like retail markets. receives product price/information updates from S-Gate and updates or changesis the product based on IEEE standard 802.15.4 for low power wireleconsists of RF transceiver, RF circuitry and ARM Cortex M3802.15.4 based network protocol and MAC protocol and other peripheral devices. Figure 1 ESL System TAG Datasheet(ST-GM42003N) Proprietary and Confidential 5/21 Label (Electronic Shelf Label) system as well as S-Label Label system make up a system that electronically Tags, which has been traditionally printed or written on changes its display of price is the product based on IEEE standard 802.15.4 for low power wireless communication ARM Cortex M3 MCU offering IEEE
REV 1.0 Samsung Electro 1.1 Features - Display : E-Paper Display- Display Color : Black, White- Display Resolution : 400- Communication : Wireless communication based on IEEE 802.15.4- Operating on 2.4GHz Un- Low Power Consumption- External Wakeup : RF Wakeup - Outline Dimension : 103- Case Color : White - Working condition: Indoor where wireless communication is availabl- NFC(13.56MHz) Available 1.2 Typical Applications - Retail industry with electronic display- Intelligently communicating, managing, and optimizing price and product informations. 1.3 Appearance S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidentialisplay (EPD) (active type) (84.80 x 63.60 mm) Display Color : Black, White 400 x 300 pixel (120dpi) Communication : Wireless communication based on IEEE 802.15.4 Operating on 2.4GHz Unlicensed ISM band for ZigBee (2405 ~ 2480 MHz)Low Power Consumption Wakeup (using ISM Band[2.4GHz]) 3.5 mm x 87.5 mm x 14.5 mm Working condition: Indoor where wireless communication is available. NFC(13.56MHz) Available Applications Retail industry with electronic displays, platforms, solutions and services.Intelligently communicating, managing, and optimizing price and product informations. Figure 2 Appearance TAG Datasheet(ST-GM42003N) Proprietary and Confidential 6/21 (2405 ~ 2480 MHz) . Intelligently communicating, managing, and optimizing price and product informations.
REV 1.0 Samsung Electro 2 Specification 2.1 Product Specification Item Size Battery Display Housing Color Information display Communication Communication Distance Operation Temp. Etc. 2.2 Radio (RF)1 Specification Item Parameter TX Transmit Power Error Vector MagnitudeTx Current RX Receiver Sensitivity 1 Test Channel : 2480MHz S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialSpecification Description 103.5 mm x 87.5 mm x 14.5 mm CR2450 Lithium Battery (3V, 3PCS) 2.4 ~ 3.3Vdc (condition : In active status) Electrical paper display (active type) (84.80 x 63.60Display Resolution : 400 x 300 pixel White Price, Unit, Symbol etc. Wireless communication based on IEEE 802.15.4Radius 20m ( Line of Sight) 0 ~ 40 (@20~60% RH) No additional anti-theft locking structure : Rail Mounted onlySpecification SPEC Unit ConditionMin Typ Max -0.5 2.5 5 dBm Error Vector Magnitude - 10 30 % When measured for 100 - 35 mA Total current at max Tx PowerReceiver Sensitivity -90 - - dBm PER < TAG Datasheet(ST-GM42003N) Proprietary and Confidential 7/21 63.60 mm) Wireless communication based on IEEE 802.15.4 (2405 ~ 2480 MHz) theft locking structure : Rail Mounted only Condition When measured for 100 chips Total current at max Tx Power PER < 1%
REV 1.0 Samsung Electro 2.3 NFC SpecificationItems Parameter NFC Read/Write Distance 2.4 Mechanical Drawing 2.4.1 Case Dimension S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialNFC Specification spec. Units ConditionMin Typ Max Read/Write Distance - 40 - mm PCB status- 30 - mm TAGnical Drawing TAG Datasheet(ST-GM42003N) Proprietary and Confidential 8/21 Condition PCB status TAG status
REV 1.0 Samsung Electro 2.4.2 Exploded View S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidential Figure 3 Mechanical Dimension Figure 4 Exploded View TAG Datasheet(ST-GM42003N) Proprietary and Confidential 9/21
REV 1.0 Samsung Electro 2.5 Labels 2.5.1 Serial Number Information Serial 1, 2 Code Value 14 3 G Year : Last two digits of manufacturing year. (00 ~ 99, Example : 201 Month : Manufacturing m (1 ~ 9, X(10), Y(11), Z(12)) Date : Manufacturing da (1 ~ 9, A(10) ~ V(31)) Vendor : Manufacturing (S : SEMTHAI, T : TSEM, etc Line number : Manufactu ('A', 'B', 'C', etc) Revision : Product revisio (A : First, B : Second, C : Third, etc ZigBee IC Lot Number : Last 3 characters S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidentialnformation Serial 1, 2 Code Value G S A A 2JW Year : Last two digits of manufacturing year. xample : 2014 is '14') ing month (1 ~ 9, X(10), Y(11), Z(12)) g date (1 ~ 9, A(10) ~ V(31)) ring vendor : SEMTHAI, T : TSEM, etc) facturing Line number evision number A : First, B : Second, C : Third, etc ) : Last 3 characters TAG Datasheet(ST-GM42003N) Proprietary and Confidential 10/21
REV 1.0 Samsung Electro 2.5.2 Product and Mac Label Drawi Product information is indicated in a printed sticker label. The information consists of MODEL (model name), MFD (manufacturing date), S/N (serial number), MAC (MAC address), CE certification mark, ID and Manufacture (SEMCO). 1) FCC ID : E2X-ST-GM42002) Model Name : ST-GM423) MFD : (Month).(Date).(Year) 4) S/N : Serial Number Information5) MAC : barcode & barcode number(hexadecimal 1 - 8 digits(1st ~ 8th) - 2 digits(9th ~ 10th) : - 1 digit(11th) - 1 digit(12th) S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialMac Label Drawings Figure 5 Product and Mac Labels Product information is indicated in a printed sticker label. The information consists of MODEL (model name), MFD (manufacturing date), S/N (serial number), MAC (MAC address), CE certification mark, GM42003N 42003N MFD : (Month).(Date).(Year) ex) May.16.2015 Serial Number Information barcode number(hexadecimal 12 digits) 8 digits(1st ~ 8th) : xxxxxxxx (Tag I.D.) 2 digits(9th ~ 10th) : 40 (Tag size & type) 1 digit(11th) : 3 (Panel & NFC type) 1 digit(12th) : x (Checksum) TAG Datasheet(ST-GM42003N) Proprietary and Confidential 11/21 Product information is indicated in a printed sticker label. The information consists of MODEL (model name), MFD (manufacturing date), S/N (serial number), MAC (MAC address), CE certification mark, FCC
REV 1.0 Samsung Electro 2.6 Barcode Scanning 2.6.1 Barcode Scanning ConditionTypically Scan distance is 8 ~ 9cm and angle is horizontality Example) <Horizontality> < S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialBarcode Scanning Barcode Scanning Condition an distance is 8 ~ 9cm and angle is horizontality <Horizontality> <TAG Datasheet(ST-GM42003N) Proprietary and Confidential 12/21 >
REV 1.0 Samsung Electro 3 Operation Test It will be updated before 2nd release  Equipments : Gateway (S Target DUT : EPD TAG  Test Scenario Install Tag on Jig Ready to Gateway(S wake up Tag with R/C Tag start to communicate wi Tag display the numeric information received from Gateway Check Tag(EPD display status & MAC address value) Wake up Tag with R/C Check Tag(EPD display(blank display))  Criterion (Below both Good : You can see ‘Black’ Compare MAC address with that of label attached to S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidentialrelease. Below is just a sample. (S-Gate), R/C (S-TAG), Jig for power supply Figure 6 Operation Test Ready to Gateway(S-Gate) and R/C wake up Tag with R/C Tag start to communicate with Gateway Tag display the numeric information received from Gateway Check Tag(EPD display status & MAC address value) Wake up Tag with R/C Check Tag(EPD display(blank display)) both two conditions should be all satisfied) see ‘Black’ ‘White’ display Compare MAC address with that of label attached to Front or Back plane.TAG Datasheet(ST-GM42003N) Proprietary and Confidential 13/21 or Back plane.
REV 1.0 Samsung Electro  Position Wake up NFC S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialTAG Datasheet(ST-GM42003N) Proprietary and Confidential 14/21
REV 1.0 Samsung Electro 4 ESL Operation by displayIt will be updated before 2nd release.Display S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidentialby display release. Below is just a sample. State User Action STATE: 1 Initial display when shipped from the manufacturer (Tag version, MAC address). None STATE: 1 No change. To assign a tag using a PDA STATE 1  2 Searching for GWs (Tag version, MAC address and triangle). A tag woken up by an RCTAG Datasheet(ST-GM42003N) Proprietary and Confidential 15/21 User Action To assign a tag using a PDA A tag woken up by an RC
REV 1.0 Samsung Electro S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidential STATE 2  4 A tag is connected to a GW and received price (Price) None STATE 2  3 A tag failed to locate a GW (Tag version, MAC address). STATE 4  5 When a tag is connected to a GW, and woken up by an RC, Next page display predefined. Display is end, tag wait 10 second wakeup signal by RC. When signal is detected in this time, immediately return first Page and Send Price Request to GW. No signal in this time, after 10 second return first Page and Same Operation. Woken up by an RC STATE 4  6 Connection to a GW is lost (price and Rectangle on upper right corner) None TAG Datasheet(ST-GM42003N) Proprietary and Confidential 16/21 Woken up by an RC
REV 1.0 Samsung Electro S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidential STATE 6  6 When connection is lost and woken up by an RC (blinks with the price and Rectangle) Starts to search GWs. Woken up by an RC STATE 4  1 Initial display (Tag version, MAC address) To clear an assusing a PDATAG Datasheet(ST-GM42003N) Proprietary and Confidential 17/21 Woken up by an RC To clear an assigned tag using a PDA
REV 1.0 Samsung Electro 5 Package S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialTAG Datasheet(ST-GM42003N) Proprietary and Confidential 18/21
REV 1.0 Samsung Electro 6 Cautions for Treat Provisions should be made to protect against any damage to the product caused by improper handling. It is highly recommended that the product should be installed within the logistics hub. Recommended storage condition is in This RF device operates on the 2.4GHz frequency band and can produce radio interference. The device, therefore, may not be used for applicat 6.1 Usage Environment Take extra cautions when using this RF device in the vicinity of other electronic devices and appliances. Most electronic devices and appliances use electromagnetic waves. Electromagnetic RF device can affect other electronic devices and appliances. If using the device in an explosion hazard area, follow all safety regulations, instructions, and signals. 6.2 Storage and Use  Moisture and liquids can damage internal partsitself.  Do not place or store the product on a sloped surface. The product may slide and fall off the surface and damaged.  Use the product in temperatures ranging from used or stored under temperature extremes. The display panel needs extra care when handling.- Do not apply any impacts on outside since e- Continuous exposure to excessive moisture (over 60% RH) or UV makes display shortened. - Ghosting image may be appeared in temperature conditions of less than 15 Celsius degree. Avoid areas with strong magnetism or subject to magnetism.Contact between the device and a magnetic object can lead to malfunctions. Do not place the product near heatthe vicinity of highly pressurized containers. S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidentialautions for Treatment Provisions should be made to protect against any damage to the product caused by improper handling. It is highly recommended that the product should be installed within 3 months from the date. Recommended storage condition is in 0-40 Celsius degree, 20-60% RH environment. This RF device operates on the 2.4GHz frequency band and can produce radio interference. The device, therefore, may not be used for applications where safety of human lives is concerned.Usage Environment when using this RF device in the vicinity of other electronic devices and appliances. Most electronic devices and appliances use electromagnetic waves. Electromagnetic RF device can affect other electronic devices and appliances. If using the device in an explosion hazard area, follow all safety regulations, instructions, and signals.Moisture and liquids can damage internal parts and circuit boards if allowed to enter into the device Do not place or store the product on a sloped surface. The product may slide and fall off the Use the product in temperatures ranging from 0 to +40. Parts and circuits mused or stored under temperature extremes. The display panel needs extra care when handling. Do not apply any impacts on outside since e-Paper display is fragile. Continuous exposure to excessive moisture (over 60% RH) or UV makes display Ghosting image may be appeared in temperature conditions of less than 15 Celsius degree.Avoid areas with strong magnetism or subject to magnetism. Contact between the device and a magnetic object can lead to malfunctions.the product near heat-producing kitchen appliances like a stove or a microwave or in the vicinity of highly pressurized containers. TAG Datasheet(ST-GM42003N) Proprietary and Confidential 19/21 Provisions should be made to protect against any damage to the product caused by improper handling. 3 months from the date of arrival in 60% RH environment. This RF device operates on the 2.4GHz frequency band and can produce radio interference. The device, ions where safety of human lives is concerned. when using this RF device in the vicinity of other electronic devices and appliances. Most electronic devices and appliances use electromagnetic waves. Electromagnetic waves emitted by this If using the device in an explosion hazard area, follow all safety regulations, instructions, and signals. and circuit boards if allowed to enter into the device Do not place or store the product on a sloped surface. The product may slide and fall off the . Parts and circuits may be damaged if Continuous exposure to excessive moisture (over 60% RH) or UV makes display lifetime Ghosting image may be appeared in temperature conditions of less than 15 Celsius degree. Contact between the device and a magnetic object can lead to malfunctions. producing kitchen appliances like a stove or a microwave or in
REV 1.0 Samsung Electro  External impact to the product, such as from being dropped, can damage the casing can be separated.  Twisting and bending the product can damage the exterior casing and the internal components. If this product operates abnormally in eliminating battery vinyl or replacing battery, you should discharge it by contacting battery terminal (+) and ( This product uses 2.4GHz frequency band for wireless communication network. Radio communications can be limited or affected by other applications which share same frequency band, such as WiFi, Bluetooth, Zigbee, etc. Frequent communications, updates and screen renewal 6.3 Battery Replacement Audience Authorized persons with the following knowledge are allowed to replace the battery. - . Battery / -. Electronic assemblies like circuit board Note : If not authorized person, it will not give any warranty. (When need to replace the battery. Instructions - Risk of short circuit if battery is incorrectly - Keep attention that your hands are dry before you start with replacement - Keep away batteries from children and infants. - Don’t heat, charge, bend, drop, short - Don’t mix the used battery together with the new battery or different type of batteries. Note : Battery rarely has a little stain or leak. Steps Open the battery cover. Take out the batteries. Put in the new batteries Check the batteries direction. Put the battery cover. S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and ConfidentialExternal impact to the product, such as from being dropped, can damage the ting and bending the product can damage the exterior casing and the internal components.If this product operates abnormally in eliminating battery vinyl or replacing battery, you should discharge it by contacting battery terminal (+) and (-). uses 2.4GHz frequency band for wireless communication network. Radio communications can be limited or affected by other applications which share same frequency band, such as WiFi, Bluetooth, Zigbee, etc. communications, updates and screen renewals may reduce battery life time.Battery Replacement Authorized persons with the following knowledge are allowed to replace the battery.tronic assemblies like circuit board / -. Compliance of the instructionNote : If not authorized person, it will not give any warranty. need to replace the battery. Please contact authorized person and get instructions.)Risk of short circuit if battery is incorrectly installed/stored. Keep attention that your hands are dry before you start with replacement way batteries from children and infants. t heat, charge, bend, drop, short-circuit and disassemble battery. the used battery together with the new battery or different type of batteries.Note : Battery rarely has a little stain or leak. . Put in the new batteries. Check the batteries direction. [View] Top : (+) Positive Bottom : (-) NegativeTAG Datasheet(ST-GM42003N) Proprietary and Confidential 20/21 External impact to the product, such as from being dropped, can damage the product or battery ting and bending the product can damage the exterior casing and the internal components. If this product operates abnormally in eliminating battery vinyl or replacing battery, you should uses 2.4GHz frequency band for wireless communication network. Radio communications can be limited or affected by other applications which share same frequency band, reduce battery life time. Authorized persons with the following knowledge are allowed to replace the battery. . Compliance of the instruction lease contact authorized person and get instructions.) the used battery together with the new battery or different type of batteries. (+) (+) Battery directional (+) Positive Negative
REV 1.0 Samsung Electro 6.4 FCC FCC ID : E2X-ST-GM42003N WARNING : This equipment may generate or use radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if aor modification is made. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, Including interference that may cause undesired operation. NOTE : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonabharmful interference in a residential installation This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications, However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the usthe interference by one or more 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- Consult the dealer or an experienced radio/TV technician for help. S-TAG Datasheet(STSamsung Electro-Mechanics Proprietary and Confidentialay generate or use radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if aThis device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference eceived, Including interference that may cause undesired operation. NOTE : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonabharmful interference in a residential installation This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful nications, However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more 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 to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. TAG Datasheet(ST-GM42003N) Proprietary and Confidential 21/21 ay generate or use radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if an unauthorized change This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference NOTE : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful nications, However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, er is encouraged to try to correct different from that to which the receiver is connected. Caution This device complies with FCC radiation exposure limits for an uncontrolled environment. Avoid operating this device at a distance less than 20cm form the user

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