Lathem ATX User's Manual
Contents
1. MONTH DATE ZONE 7 gt 4 Press the TRNS button on the ATX that is set to Master mode 5 Install the Repeater ATX at the desired location within approximately 150 feet of the ATX Transceiver Page 6 6 ATX Installation and User s Guide When the signal is received from the Master the term LINK will display and the time and date will update to the Masters time The TRNS indicator will flash while the ATX Repeater transmits to AirTime wall clocks or other ATX Repeaters The ATX will transmit for one hour allowing you to setup and install your AirTime wall clocks and other ATX Repeaters S008 S EF If the Repeater ATX fails to receive the signal from the Master ATX Transceiver indicated by a LED flashing red or the display toggling between time and date and E then press the Reset button or move the ATX to a location that is closer to the Master ATX MAKE CERTAIN THAT THE REPEATER ATX DISPLAYS LINK Unless your Repeater ATX continuously receives signals from the Master ATX then your clock system will not operate properly The setup of the ATX in Repeater Mode is now complete You can now synchronize and install your AirTime Wall Clocks using the instructions furnished with them Page 7 ATX Installation and User s Guide Glossary of Definitions Selection of Mode Select the MASTER mode or REPEATER mode by using the MODE switch Operation of Ma2. appear Battery Life Indicator When the battery capacity is low the pY symbol starts to flash as warning that it is time to replace the battery After 10 days the JW symbol starts to flash and all segments except the Jr 7 symbol extinguishes and functions cease Remove the back cover and replace the 2 CR123A batteries Repeat the setup procedures for either Master or Repeater mode as described earlier Page 10 ATX Installation and User s Guide Power Requirements Cylindrical lithium battery 2 batteries or Optional AC adapter Specifications of optional AC adapter Lathem part VIE1800 Output voltage 6V DC Rated current 200mA Ripple voltage max 500mVrms 200mA load Plug type EIAJ 2RA Polarity Center plus terminal Troubleshooting What happens if batteries die before replace them A The ATX will stop working When the batteries are replaced press and release the RESET button on the ATX It will automatically reset time when it receives the WWVB signal This may take 24 hours The battery life is approximately 5 years When the batteries become low the display will show a low battery indicator 4 Q Dol need batteries if use an AC adaptor A No batteries are bypassed when an AC adapter is used Q What do do if TRNS does not flash after press TRNS button A Verify the ATX is not listening for the WWVB signal The ATX will not transmit until the listening peri
3. ere rr rere ra or ru e ere E er c oe eru 11 Performance dee idee v ee haga bade v Nen EN CER 13 ATX Installation and User s Guide Introduction The ATX AirTime Transceiver is a user installable battery operated radio frequency unit that provides the wireless signal to keep AirTime wall clocks within its range synchronized to the second The ATX can receive the WWVB signal from a radio station used by millions of people throughout North America and transmit the accurate time to 12 and 15 analog and 4 and 6 digital model AirTime wall clocks The ATX can be operated using 2 CR123A batteries rated with a five 5 year life or powered by an optional AC adapter AirTime is an affordable time keeping solution for institutions such as schools hospitals offices or any environment that requires precise and consistent time from room to room Should any problems arise with your ATX please contact Lathem Time at 800 241 4990 Function Labels MODE SELEXCTION 3 switch fL ILe NM LCD panel SET button p Lithium batteries s reese WC Repere LED Red DOWN button X y _DC jack S _ used with optional E UP button AC adapter RESET button Me Saar oe S He J n Lad Io odd oo TRANSMIT button 7 RECEIVE button LCD Display Time Date Time Zone and Indicators Local time WWVB receiving Daylight Savings Time Reception strength Indicators on LCD Displ
4. and 40 seconds after every hour The strength of the last signal reception can be determined by the signal strength indicator dull on the display Page 12 ATX Installation and User s Guide Q How do I synchronize my AirTime wall clocks A Press the TRANS button on the ATX You will see T TR TRN TRNS flash on the display At the wall clock press the Reset button If the wall clock does not correct within several minutes then it may be out of the 150 foot range of the ATX Relocate the wall clock closer to the ATX Q Can I use more than one ATX A Yes Secondary ATX units can be set to Repeater mode to increase coverage All repeater ATX s within the 150 foot range from the first ATX will re broadcast the signal As long as ATX Repeaters are within 150 foot range of each other there is virtually no limit to how many ATX s you can install Performance Accuracy Average monthly rate 20 seconds Battery Life Approximately 5 years WWVEB receiving sensitivity Less than 45dBuV m Carrier frequency 452 3125 MHz RF reception Sensitivity Less than 35dBuV m Channel filter band width 19 2kHz Intensity of electric wave emitted Less than 3nW Usage temperature range 14 4122 LCD readable range 0 1 3 Page 13 ATX Installation and User s Guide Trademark Copyright AirTime Lathem and the Lathem logo are registered trademarks of Lathem Time Corporation Other product names mentioned in this manual may be trademarks of
5. at the same time If the ATX looses power replace the batteries or check the optional AC adapter and reset the clock starting at step 1 above VINT IATE nm Sar iH tps Page 1 ATX Installation and User s Guide Set Time Zone Press and release the Set button for less than 1 second The Time Zone will flash on the display Use the Up or Down buttons to select the proper Time Zone see list of zones below and press Set Time Zone Available Time Zones Time Zone Offset Atlantic Time AHrs Eastern Time 5Hrs Central Time 6Hrs Mountain Time 7Hrs Pacific Time 8Hrs Alaska 9Hrs Hawaii 10Hrs Page 2 ATX Installation and User s Guide 4 Use the Up or Down buttons to Enable EN or Disable DI the Daylight Savings Time function If enabled the time on the ATX will automatically change when daylight saving time changes Press Set when done The display will return to normal E EA Daylight Savings Time Enable Disable 5 Decide where to locate the ATX Ideally it should be mounted in the center of area to be covered The ATX can either be wall mounted or sat on a shelf If the ATX does not receive the WWVB signal in the next step then consider installing it near a window facing Boulder Colorado or under a skylight with a clear view of the sky to receive the best signal from the WWVB 6 Press and release the Reset button The Display will blink once and the red L
6. ATX Repeaters The WWVB signal strength indicator il indicates the strength of the WWVB signal being received The ATX ideally should be placed near a window facing Boulder Colorado or under a skylight with a clear view of the sky for best signal reception In Master mode the ATX can also be set manually if no WWVB signal is available The accuracy of the ATX without the WWVB signal is 5 minutes per year Note If the ATX in Master Mode does not receive the WWVB signal the clocks will not function properly Master Mode SN Airlime Wall Clock Airlime Wall Clock When using more than one AT Transceiver you can set the ATX to operate in Repeater mode See page 9 for setting the ATX as a Repeater Page 3 ATX Installation and User s Guide Start Here Master Mode IMPORTANT This AirTime System is designed to provide highly accurate and reliable time reference in your building You must follow these instructions or your clocks will fail to operate properly You must allow the transmitter to sit overnight and receive the WWVB signal before installing your wall clocks FOLLOW THESE INSTRUCTIONS BEFORE INSTALLING THE WALL CLOCKS 1 Remove the back cover of ATX and slide the Mode Selection switch to the Master position 2 Insert two 2 CR123A lithium batteries provided and replace the back cover or connect the optional 6VDC adapter Note You can not use both the batteries and the AC adapter
7. ED will flash The WWVB reception indicator will scroll left to right ue it is waiting for a signal a l IPC uring VWWW VB reception the 2 00 c0 indicator will flash ul I MET U The AME strength indicator shows the signal strength during reception BE PATIENT Because of other interfering radio transmissions reception often takes 24 hours to occur If the ATX fails to receive the WWVB after 24 hours press the RECV Page 3 ATX Installation and User s Guide button for 4 seconds to begin WWVB reception again and move the ATX to another location with a clear line of site toward the sky Once the ATX receives the WWVB signal do not change its location Because it must continue receiving WWVB signals the ATX must be installed in the same area where WWVB signals are first received Once the WWVB signal is received the indicator x will stop scrolling To verify the WWVB signal has been received in the past 24 hours press the RECV button for 2 seconds and release The w indicator will flash 4 times indicating the signal has been received or 5 times if no reception has occurred 7 Press and release the TRNS button on your Master ATX to begin transmitting to AirTime Wall clocks and other ATX devices The TRNS flashing in the display confirms the transmissions i nll LIH 59 LIII 0 25 ET The ATX will transmit for one hour allowing you to setup and install your AirTime wall
8. Model ATX AirTime Wireless Wall Clock Transceiver Installation amp User s Guide g LATHEM Copyright 2009 Lathem Time Corporation All rights reserved Table of Contents idee Iagtl e EER 1 LCD Display Time Date Time Zone and Indicators 1 Indicators on LCD Display sees n ehh nnne 1 Mode Selection 5 oorr eere rero urere ra ere rer ra dare a e A ER 2 e Start Here oer ed 1 Master Mode ee obs e edd es 1 Repeater Mode Used in Multiple ATX Installations eeeeeeeese 6 Setup Repeater Mode 5 e ee eh Rupees 6 Glossary of Definitions cre eere Edere ere aeree 8 Selection of Mode irit ERE Eine PI 8 Operation of Master Mode cce sce e eee eee ence ence ee n e emen en 8 Operation of Repeater Mode ecce sce ece ence eee eeeeeeeeeneeeeeeeeeeeaes 8 Operation of Reset in Master Mode csse 8 How to access Setup MOdEeS ccc sceecee eee e eee eee ence eneeeeeeteeeeseeneees 9 Automatic Interference Prevention Function ceceeeeeceeeeeeees 10 Backup F nction o eed es ee e eee 10 WWVEB Reception Off On Function ccee eee eee ence eee eeeeeeeeneees 10 Battery Life Indicator correr ER ERR NES E ERR na oa VER EVEN ES 10 Power Requir ments IRE IR SIN ESAE SN EN EA SE VERTES es 11 Troubleshooting
9. alled 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 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 This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator and your body This Transceiver must not be co located or operating in conjunction with any other antenna or Transceiver Page 14 ATX Installation and User s Guide One Year Limited Warranty Lathem warrants the hardware products described in this guide against defects in material and workmanship for a period of one year from date of original purchase from Lathem or from an authorized Lathem reseller The conditions of this warranty and the extent of the responsibility of Lathem Time Corporation Lathem under this warran
10. ay Page 1 ATX Installation and User s Guide Transmitting TRNS When flashing indicates the ATX is transmitting an AirTime signal Receiving RECV When flashing indicates the ATX is in receiving mode listening for an AirTime signal used in Repeater mode LED rus Daylight Savings Time When illuminated indicates that the ATX is in Daylight Savings Time nil Reception strength il In Master mode indicates the strength of the WWVB signal when receiving In Repeater mode displays for 5 seconds indicating the strength of the signal from the Master when a signal is received Low battery H Indicates the batteries should be replaced Link LINK Indicates data reception from another AirTime transmitter was successful within the last 24 hours Used in Repeater mode WWVB receiving When steady indicates successful reception of the WWVB signal When scrolling the ATX is listening for a WWVB signal Other Indicator Flashing Red LED This indicates that a Repeater ATX failed to receive the signal from a Master ATX Transceiver Press the Reset button or move the ATX to a location that is closer to the Master ATX Mode Selection The ATX can operate in either of two modes Master or Repeater The most common mode is Master In Master mode the ATX receives and synchronizes with the WWVB signal It then transmits the signal to Page 2 ATX Installation and User s Guide AirTime wall clocks and
11. clocks and Repeaters 8 Insert the batteries into your wall clocks and Repeater ATXs if applicable Press and release the reset button on the back of the AirTime wall clocks or the front of the Repeater ATXs to start receiving the signal from the Master ATX Page 4 ATX Installation and User s Guide 9 Install the Master ATX Install the ATX in the same location where the WWVB signal was received Mount the ATX Drill a 5 16 hole Insert a wall anchor and tap flush to wall with a hammer Insert a screw into the anchor leaving 1 8 exposed Align the keyhole on case back and slide onto the screw CONGRATULATIONS Setup in Master mode is now complete Page 5 ATX Installation and User s Guide Repeater Mode Used in Multiple ATX Installations In Repeater mode the ATX receives time signals from another ATX transceiver and rebroadcasts the signal to other ATX Repeaters or AirTime wall clocks Airlime AirTime AirTime Y 9 AirTime Signal e AirTime MM amp Wall Clock e AirTime e Wall Clock even e e AirTime ul Signal d SITTER ATX Master Mode Nu Mode Setup Repeater Mode 1 Remove the back cover and slide the Mode Selection switch to the Repeater position 2 Insert two 2 CR123A lithium batteries and replace the back cover or connect the optional 6VDC adapter if it will be used 3 Press the Reset button The display will appear with dashes and the RECV indicator will flash
12. m Lathem or an authorized Lathem reseller and any such products are purchased as is with all faults In no event will Lathem be liable for any direct indirect special incidental or consequential damages arising out of or in connection with the delivery use or inability to use or performance of this product In the event any limited remedy given herein shall be deemed to have failed of its essential purpose Lathem s maximum liability shall be to refund the purchase price upon return of the product Proof of date of purchase from Lathem or an authorized Lathem reseller is required for warranty service on this product This Warranty grants specific legal rights Additional legal rights which may vary by locale may also apply Should any difficulties arise with the performance of this product during warranty or with any Lathem authorized service centers contact Lathem Time at the address below Lathem Time 200 Selig Drive SW Atlanta GA 30336 800 241 4990 www lathem com Document Number USG0074C Page 15
13. od ends Q How many Wall Clocks can an ATX correct A As long as all Wall Clocks are in the range of the ATX there is virtually no limit of the number of clocks it can correct Q What do do if the time does not correct on the ATX after WWVB Page 11 ATX Installation and User s Guide reception indicator scrolls Make sure you selected Master mode then move the ATX closer to a window facing Boulder Colorado or under a skylight with an unobstructed view of the sky Allow 24 hours for reception Reception is best at night when there are fewer radio interferences Install the ATX in the same place where it finally received WWVB Can set the time on the ATX manually If you manually set the time on the ATX Daylight Savings changes will not occur and the clocks will not synchronize properly It is required for proper operation that you install the ATX in a location that can receive the WWVB signal What do do if my ATX does not update for Daylight Savings Time Make sure the ATX has a clear view of the sky or faces toward Boulder Colorado to insure it receives the WWVB signal When does the ATX transmit the time to the secondary wall clocks The ATX transmits once per hour during the 58th minute between the 50th and 59th second When the TRANS button is pressed the ATX transmits every 10 seconds for one hour When does the ATX listen for the WWVB radio signal The ATX listens for the WWVB radio signal 2 minutes
14. ster Mode WWVB is received once per hour The time data begins automatically transmitting if the receiving is successful Operation of Repeater Mode Time data is automatically received and transmitted once per hour Operation of Reset in Master Mode Press and release the reset button to start receiving the WWVB If the receiving is successful time data is automatically transmitted The symbol changes during the WWVB reception to show that it is receiving The TRNS indicator flashes during the data transmission to show that it is transmitting While transmitting you will see T TR TRN TRNS flashing in the display Page 8 ATX Installation and User s Guide How to access Setup Modes 1 Select the setup mode to enter by pressing the SET button for the period of time defined in the table below 2 When the mode changes to the selected setup mode the functions of the selected mode will flash 3 Change the values of the functions by pressing UP DOWN button 4 Press the SET button to enter selection When the setup process is complete it returns to a normal display Normal operation resumes if no buttons are pressed for 5 minutes SET button Set mode Set item Master Repeater 2secondsor Time zone set shorter mode Time zone D S T Invalid Manual time set 2 7seconds mode Do not use this feature Year Month Day Hour Minute Year Mon
15. th Day Hour Minute 7 seconds or Link set mode longer Channel Status Channel Status TX channel RX Channel TX Channel Layer Only display Only display WWVB Elapsed Linkage Elapsed Time Time WWVB Elapsed Time This is an advanced setting that will rarely be required If you have multiple transceivers and are experiencing synchronization problems please review the document ID 888 Some clocks are not correcting to time signals located on our Knowledge Base at http www lathem com support knowledge base aspx Search under Airtime Wireless ATX Mini Transceiver Page 9 ATX Installation and User s Guide Additional Definitions Automatic Interference Prevention Function Use this function to automatically change Transmit Channel to prevent interference if multiple Transceivers use the same Transmit Channel within reception area This automatic function requires no settings Backup Function Time Zone and Daylight Savings Time are memorized in the ATX and will not be cleared after power failures or resets WWYVB Reception Off On Function In Master mode continuously pressing the RECEIVE button for 7 seconds or longer will turn OFF WWVB reception and the 4 indicator is removed from the display Continuously pressing the E RECEIVE button for 7 seconds or longer with the 4 indicator not displayed re enables WWVB reception and the 4 indicator will
16. their respective companies and are hereby acknowledged WARNING Changes or modifications to this product not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment Copyright 2009 Lathem Time Corporation All rights reserved Disclaimer The information within this document has been carefully checked and is believed to be entirely reliable However no responsibility is assumed for inaccuracies Lathem Time Corp reserves the right to make changes to any products herein to improve reliability function or design THIS EQUIPMENT COMPLIES WITH FCC CLASS B REQUIREMENTS PURSUANT SUBPART J OF PART 15 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 WARNING Changes or modifications to this product not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment 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 inst
17. ty are listed below 1 2 This warranty will become void when service performed by anyone other than an approved Lathem warranty service dealer results in damage to the product This warranty does not apply to any product which has been subject to abuse neglect or accident or which has had the serial number altered or removed or which has been connected installed adjusted or repaired other than in accordance with instructions furnished by Lathem This warranty does not cover dealer labor cost for removing and reinstalling the machine for repair or any expendable parts that are readily replaced due to normal use The sole responsibility of Lathem under this warranty shall be limited to repair of this product or replacement thereof at the sole discretion of Lathem If it becomes necessary to send the product or any defective part to Lathem or any authorized service dealer the product must be shipped in its original carton or equivalent fully insured with shipping charges prepaid Lathem will not assume any responsibility for any loss or damage incurred in shipping WARRANTY DISCLAIMER AND LIMITATION OF LIABILITY Except only the limited express warranty set forth above the products are sold with no expressed or implied warranties of any kind and the implied warranties of merchantability and fitness for a particular purpose are hereby expressly disclaimed No warranties are given with respect to products purchased other than fro
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