GPS Wireless Clock System User Manual
Contents
1. Warning It is imperative that the GPS Receiver and the connection to the GPS cable be above any potential standing water snow depth leaves or other obstructions Connections outside must be sealed with a high quality silicone sealant Warning The Transmitter is not weatherproof and must be located indoors Operating the Transmitter outdoors during adverse weather conditions is an electrical hazard may damage the Transmitter and nullifies the warranty For installation examples see Figure B The GPS Receiver and the attached cable are weatherproof and may be mounted outside If additional cable is required the connection must be sealed with a high quality silicone sealant such as Radio Shack Sealant 278 1645 for Outdoor RF Connections to weatherproof the connection Various lengths of cable are available from Primex Wireless The GPS Wireless Clock System Setup of the Transmitter 1 Attach the GPS Receiver to the inside of a non Low E glass window outside pole or rooftop that has a clear view of the sky see Figure B Route the GPS Receiver cable as needed When attaching the GPS Receiver to the inside of a window clean the windowpane before using the suction cups for attachment If the GPS cable is run through conduit a minimum inside diameter of 1 5 is recommended Window Mount B Note Glass must NOT be Low E Pole Mount ITEM QTY DESCRIPTION GPS 18 LVC amp Connector Asm Mounting Bracket Rev C M32. Time will be displayed when adjustment for Daylight Saving Time is active switch 3 in the up position If neither DT nor ST is displayed then switch 3 is in the down position and the Transmitter will not adjust for Daylight Saving Time The adjustment to Daylight Saving Time and back to Standard Time take place 2 01 AM on the day of change 11 The GPS Wireless Clock System Note The GPS signal does not encode information about Daylight Saving Time In the spring when the Transmitter changes to Daylight Saving Time the system clocks will adjust by advancing faster then their normal speed to make the adjustment and then return to normal operation In the fall when the Transmitter returns to Standard Time the system clocks will make the time adjustment and then return to normal operation Selecting Your Time Zone The time zone of your location is not shown on the display However when the Transmitter has received a valid time from the GPS Receiver the correct time zone can be checked by verifying that the correct hour is displayed The Transmitter can be set for all 24 time zones around the world and 1 2 hour time zones 12 Hour or 24 Hour Time The 12 24 Hour option only affects the Transmitter s LCD display If AM or PM is on the display then the 12 hour option is selected with switch 4 If neither AM nor PM is on the display then the 24 hour option is selected Analog System Clocks are 12 hour clocks LED Digital System Clocks h
3. to the Transmitter Operating the Transmitter without an antenna can destroy the Transmitter s power output The GPS Wireless Clock System Transmitter Display The Transmitter has a lighted front display that shows important information Indicates a m or p m blank 2 24 hr display Indicates Daylight Saving Time Indicates GPS Communication Indicates Signal Being Received O Red LED Flashes During Startup and For Reception Problems Channel No Figure A Front of Transmitter Time Displays the precise time received from the GPS Receiver If AM or PM is on the display then the 12 hour option is selected If neither AM nor PM is on the display then the 24 hour option is selected Daylight Saving Time The letters DT Daylight Saving Time or ST Standard Time will be displayed when adjustment for Daylight Saving Time is active If neither DT nor ST is displayed then switch 3 is in the down position and the Transmitter will not adjust for Daylight Saving Time GPS Communication The GPS Communication indicator see Figure A will appear when the Transmitter is communicating with the GPS Receiver The parentheses indicate the time signal is being received Day Date Displays the day and date received from the GPS satellite Channel Number Displays the channel number 1 16 that the Transmitter is set to Red LED The red LED Light Emitting Diode is located on the right side of the front pan
4. x 0 5 x 6mm PH Screw 6 x 3 8 Sheet Metal Screw Suction Cup U Bolt w nuts 11746 Ref for 1 Pipe w wln ale aun Figure B Mounting of GPS Receiver GPS Receiver gt Pipe and Weatherhead SS SID a Extension Cable Maximum Extension Cable Length 200 Connector Located Indoors Transmitter The GPS Wireless Clock System 2 Carefully screw the Transmitter antenna onto the Transmitter Turn the antenna clockwise being careful to avoid cross threading the antenna The antenna must be snug and flat against the case Warning Do not over tighten the antenna Hand tighten only 3 Plug the included DB9 RJ45 GPS conversion adapter into the GPS socket located in the back of the Transmitter see Figure C 4 Plug the GPS cable into the GPS conversion adapter Antenna Power Supply GPS Conversion Adapter GPS Receiver Figure C Setup of Transmitter 5 Set the switch preferences located on the back of the Transmitter see Figure D The Transmitter continually checks the position of the switches The switches select time zone channel number 12 or 24 hour display and the observance of Daylight Saving Time DST Calendar Switch 1 Computer Connection Power Socket 9 Volt DC Supply GPS Socket Lh 66 30 O30 poooc D0000 AM IBN Rotary Switch B Time Zone Offset Channel Number Rotary Switch A Offset Switc
5. DC power supply transformer into the Transmitter 7 Plug the power supply transformer into a 120 VAC outlet Transmitter setup is complete See Transmitter Operation for details of operation 10 The GPS Wireless Clock System Transmitter Operation The following assumes that the Transmitter has been properly set up as described in Setup of the Transmitter Basic Operation of the Transmitter When power is first applied to the Transmitter the front display will light up and show important information The red LED light will flash until the Transmitter receives a valid time signal from the GPS Receiver The display will initially show the time as 12 00 00 and will note the software version Then the Transmitter checks the position of the switches on the rear of the Transmitter and stores their settings in memory The Transmitter then sends information to the GPS Receiver and waits for time information from the GPS Receiver The GPS Communication indicator see Figure A will appear when the Transmitter is receiving a signal from the satellite through the GPS Receiver If the symbol is not displayed see Troubleshooting The time on the display will increment once each second until the GPS Receiver sends the transmitter a valid time The GPS Receiver needs to see 3 satellites in the sky above before it will send a time signal to the transmitter This may take up to 15 minutes for a GPS Receiver that has a 360 view of the sky The leng
6. GPS Wireless Clock System User Manual PAME Synchronized Solutions for every type of facility SCHOOLS HIGHER EDUCATION HEALTHCARE CORPORATE MANUFACTURING GOVERNMENT The GPS Wireless Clock System CONTENTS Product Description iiiiiiisiiislslsslselses hh hrs 4 System Components 0 0 cc ehh hh hes 4 GPS ROCCE i scia nue Ex oe a ERU ere ei np ok CE ada SOROR Den Rt R Wie geld ER oon Dec Do RR Ge nos Sh a UN te d dela 4 GPS Transmitter Cable 2 0 eem hh 4 Ern E E E EAA AE EEN E O E RA AE RE E E E NE SEA E S EE PA E E FAE E 4 Safety Precautions ora s 225i cess ose hee madia E s eda eee a ed ved hee ences Cu OF ded ES 5 Equipment Precautions iuislisssiseeselseele serm hs 5 Transmitter Display issilsssssssseees hh hera hne 6 Transmitter and GPS Receiver Location 0 0 0 ccc res 7 Setup of the Transmitter 0 0 0 0 00 hm shes 8 Transmitter Operation iiiililsillesseeseee hh hr rers 11 Basic Operation of the Transmitter llis hh 11 Daylight Saving Time ra esai aia a a e ea E E aE a a ee tetas 11 Selecting Your Time Zone 2 0 cc ehh mehr 12 12 Hour or 24 Hour Time orrir craa neris iinrrak AiE nA ERNE RARA RE ARA ERA EE nhe 12 Continuing Operation siss estrenir mets oaee E E e a EE E a rh rn 12 POW CMe MITA CTI 12 Troubleshooting 5 2c closes er cht beeen E ee aa Re ede 12 Transmitter Problems 0 0 06 rete 12 Display Does No
7. ating with the GPS Receiver a If the GPS Communication indicator is not being displayed then the Transmitter GPS Receiver or the connection between Transmitter and GPS Receiver is defective Check GPS cable connections Note The use of unshielded or standard shielded cables to extend the distance between the GPS Receiver and the Transmitter beyond 50 feet can cause this failure mode A special shielded cable with low resistance on the voltage supply line is required for distances over 50 feet The maximum distance using the special cable is 200 feet If cable connections are good replace the GPS Receiver b If the GPS Communication indicator is displayed but the parentheses are not flashing then the problem is with the GPS Receiver or with its signal reception i Check to make sure that the GPS Receiver has a clear view of the sky and that its view is not obstructed Note Double pane Low E glass windows are coated with a transparent metal layer that reflects infrared heat rays this will also reflect the GPS signal The GPS Receiver will not receive the signal through Low E windows ii Local interference can affect GPS reception Try moving the location of the GPS receiver to improve reception iii Weather conditions solar flares time of day and exact satellite position may also effect signal reception however these conditions are normally of a short duration Note When certain types of electronic light ballasts become d
8. ave a selectable jumper option to display either 12 hour or 24 hour time regardless of the Transmitter s 12 24 option setting Continuing Operation The status of the GPS Receiver is indicated by the GPS Communication indicator When the Y like symbol is displayed the GPS Receiver is connected to the Transmitter and there is proper communication between the GPS Receiver and the Transmitter When the Transmitter is receiving valid time data from the GPS Receiver the three parentheses will sequence in a motion pattern If these symbols are not displayed see Troubleshooting Power Failure The System has a fail safe design If the failure of a system component or power loss to a component occurs all down stream components continue normal operations using their own internal time base If after a specified period communication has not been restored a visual that indicates a loss of communication appears and remains until communication is restored Examples Red flashing LED on the Transmitter flashing colons on LED digital clocks double stepping of second hand on analog clocks Troubleshooting Transmitter Problems The first step in troubleshooting the Transmitter is to reset the Receiver If the Transmitter fails to receive a GPS signal and is set to time within 15 minutes please reset the Transmitter Note The Transmitter does not have an ON OFF switch To reset the Receiver unplug the power supply and then plug the unit back in Power
9. efective they may radiate broadband noise which can interfere with wireless devices While interference issues are unlikely with the Primex Wireless Clock System high levels of noise present in the 72 76MHz range could potentially cause clocks which are located far from the transmitter and also within the close proximity of these ballasts to not receive a signal Very limited instances have occurred in the past which has only been found to happen when ballasts become defective 13 The GPS Wireless Clock System Displayed Time Date is Incorrect T If the minutes and seconds are correct but the hours are off or the day is off then switches 72 73 or Rotary Switch B are in the wrong position Correct switch settings See Switch Settings for proper settings Other than for the above reason or the loss of the GPS signal the Transmitter whose time is controlled by a GPS signal should never display the wrong time or date If such an event occurs please contact Primex Wireless Technical Support at 1 800 404 8112 Extremely Weak Transmitter Power About 100 Feet or Less 1 2 Unplug the Transmitter and ground yourself to eliminate static electricity Check to make sure that the antenna is not cross threaded The base of the antenna must be flat on the Transmitter case Check to make sure that the antenna rod is secure in the antenna base hand tighten only Check to make sure that the base of the antenna is tightly mou
10. el of the Transmitter The LED flashes on initial setup until a GPS time signal is received or when a severe GPS Receiver signal problem has occurred and no time data has been received from the GPS Receiver in 48 hours See the Troubleshooting section of this manual for more information The GPS Wireless Clock System Transmitter and GPS Receiver Location The first step in setting up the Transmitter is to determine a suitable location for the Transmitter and GPS Receiver Location is extremely important to ensure the best operation of the system You must consider the following Clear view of sky The GPS Receiver needs a clear view of the sky to receive the GPS signal Typical locations of the GPS Receiver are on the inside of a window not a Low E glass window an exterior pole or on a rooftop NOTE The GPS Receiver should be away from metal objects satellite dishes etc Close to electrical outlet The Transmitter s transformer power supply requires 120 Volts AC Be sure that there is an electrical outlet within 4 feet of the transmitter Away from large metal objects The Transmitter should be located a minimum of 2 to 3 feet above the floor and away from large metal objects such as lockers or filing cabinets High elevation In multi story buildings locating the Transmitter on the top floor will often significantly improve coverage for the lower floors due to the umbrella pattern of transmission Protected from weather
11. glitches line spikes power interruptions static discharge or other voltage fluctuations can cause loss of communication with the GPS Receiver if the disruption occurs during the initial setup communication between the Transmitter and the GPS Note The time of day view of the sky weather solar flares and local interference also influence signal reception and can cause temporary loss of the GPS signal If reception problems persist see Signal Reception Problems 12 The GPS Wireless Clock System Display Does Not Light Up If the display does not light up check the power supply connection to the Transmitter and to the 120 VAC outlets Verify that the AC outlet has power Also verify that the correct power supply is used 9V 2 04 If this does not correct the problem either the power supply or the Transmitter is defective Call Primex Technical Support at 1 800 404 8112 Display Lights Up But Is Blank or Very Faint Call Primex Technical Support at 1 800 404 8112 The Transmitter will probably need to be replaced Signal Reception Problems 1 Verify that the GPS Receiver is properly connected to the Transmitter 2 Verify that the GPS Receiver is properly mounted on a non Low E glass window or on a rooftop or pole outside with a clear view of the sky 3 Check to assure that the GPS Communication indicator is showing on the display looks like a Y with a line over it If this symbol is displayed then the Transmitter is communic
12. h 2 Switch 4 12 24 Hour Daylight Savings Time Switch 3 should be OFF down Figure D Switch Settings a Rotary Switch A channel selection is factory preset to the FM frequency on which the Transmitter will broadcast The GPS Wireless Clock System Warning Do Not adjust this switch It is only to be set to the frequency specified on the FCC IC application There are 16 available channels The chart below explains which switch positions correspond to which channel numbers Switch No Channel No 16 HmmOOoUuU doo o00i0m o b Rotary Switch B selects the time zone Use a small slotted screwdriver to adjust the rotary C switch 4 for Atlantic Time Zone 5 for Eastern Time Zone 6 for Central Time Zone 7 for Mountain Time Zone 8 for Pacific Time Zone 9 for Alaska Time Zone A for Hawaii Time Zone Switch 1 sets the Daylight Saving Time Calendar Up to automatically change to the new Daylight Saving Time calendar in 2007 Down to abide by the old schedule in 2007 d Switch 2 sets the direction of UTC offset Up for U S Down for Europe e Switch Z3 sets the automatic Daylight Saving Time adjustment Up for automatic Daylight Saving Time changes Down to bypass Daylight Saving Time adjustments f Switch 4 sets the clock display on the Transmitter Up for 12 hour display Down for 24 hour display 6 Plug the supplied 9 Volt 2 0 Amp
13. ime UTC from the GPS satellite transmission The GPS Receiver must have an unobstructed view of the sky to receive the signal GPS Transmitter Extension Cable A specially designed low resistance data cable is available upon request to extend the distance between the GPS Receiver and the Transmitter The GPS Receiver continuously sends the precise time through the cable to the Transmitter Transmitter The Transmitter receives the time from the GPS Receiver and synchronizes to the precise NIST time The Transmitter continuously broadcasts its GPS synchronized time to the system clock s The Transmitter operates at 72 MHz and is preset to one of the 16 channels licensed by the FCC and IC to minimize interference on these frequencies and channels The GPS Wireless Clock System Safety Precautions Warning The Transmitter is designed for indoor use only and is not weather protected Operating the Transmitter outdoors during adverse weather conditions is an electrical hazard may damage the Transmitter and nullifies the warranty Warning Standard acceptance procedures must be followed prior to operating this equipment in the proximity of life support systems Equipment Precautions Warning To avoid static shock and possible damage to the Transmitter make sure that you are electrically grounded before touching either the Transmitter antenna or case Warning Never operate the Transmitter without the antenna being properly connected
14. mail infoGprimexwireless ca Website www primexwireless com Website www primexwireless ca Primex Wireless Inc 2006 Patents Pending Printed in the USA 14000M 4 24 07
15. nted on the Transmitter case Check to make sure that the antenna is not touching anything Plug in the Transmitter If the Transmitter power is still extremely weak the output stage of the Transmitter may have failed Contact Primex Wireless at 1 800 404 8112 Weak Signal Limited Coverage Area The coverage area is determined by many factors One of the primary factors is the transmitted signal compared to the background interference For the clocks to receive a clear signal from the Transmitter the signal must be several times stronger than the background interference Therefore Transmitters located in areas with generally higher background interference will have reduced coverage If background interference is causing a problem please contact Technical Support at 1 800 404 8112 Red LED is Flashing The Red LED flashes when the unit has not received an updated time signal for 48 hours It will also flash during initial setup 1 Check the GPS Receiver and its cable for proper connection to the Transmitter and possible damage to the cable Check the mounting of the GPS Receiver to ensure that the mounting did not slip or change and that it has an unobstructed view of the sky Check the display panel for the GPS Communication indicator If the symbol is there re check the location of the GPS Receiver and its view of the sky and resolve any obstructions Then disconnect power from the Transmitter wait five seconds and reconnect po
16. party responsible for compliance could void the user s FCC authority to operate the equipment Radio Frequency RF Exposure To comply with FCC IC RF exposure requirements for mobile transmitting devices the Transmitter is only to be used or installed in locations where there are at least 20cm approximately eight inches separation distance between the antenna of the Transmitter and all persons License Requirements Operation of the Transmitter requires an FCC operating license that must be renewed every 10 years Industry Canada IC licenses must be renewed annually Prior to operating the Transmitter an application must be flied with the FCC IC and it can only be operated on that specified channel Prior to receiving the Transmitter filing and licensing will normally have been completed by Primex Wireless If not you are required to file the required application with the FCC IC prior to use If you have any questions or need assistance please contact Primex Wireless at 1 800 537 0464 Altering the Transmitter antenna or case is prohibited by FCC IC regulations The FCC IC also requires that the Transmitter antenna be attached to the case and that the antenna be vertical with respect to the earth 15 Primex Wireless Inc US Primex Wireless Inc Canada Phone 1 800 537 0464 Fax 262 248 0061 Phone 1 800 330 1459 Fax 905 952 0134 Technical Support 1 800 404 8112 Technical Support 1 800 404 8112 Email infoGprimexwireless com E
17. t Light Up 1 0 tte 13 Display Lights Up but is Blank or Very Faint 1 2 0 0 0 tee 13 Signal Reception Problems 0 00 0c keai mera tees 13 Displayed Time Date is Incorrect 2 0 eR RR hh 13 Extremely Weak Transmitter Power About 100 Feet or Less 0 0 cece eee 14 Weak Signal Limited Coverage Area sasuai anane 14 Hed LED is flashing 2 0 esr ee e eae ek eae ae ea ae RUR e Red ec d e 14 Federal Communications Commission FCC and Industry Canada IC Information 15 Compliance Statements 0 00 cc herren 15 al tl gt 8161210 MEET 15 Licenses Requirements 000 ee eee 15 The GPS Wireless Clock System Product Description The GPS Wireless Clock System automatically synchronizes clocks through a wireless radio signal The GPS satellites transmit time information to a GPS receiver that sets the Transmitter s internal clock to the precise GPS time The Transmitter rebroadcasts that time via a radio signal to system clocks in the system As a result all clocks in the wireless system are precisely synchronized to each other and to the U S Government s official NIST time standard Coordinated Universal Time UTC All components of The GPS Wireless Clock System are routinely updated to ensure both precision and synchronization System Components GPS Receiver The Global Positioning System GPS Unit has a sensitive antenna that receives the precise t
18. th of time is dependent on the location weather conditions time of day etc In areas where the unit does not have a full view of the sky due to wall or window installations building shadows etc this may take up to several hours Note The Transmitter does not transmit time data until it has received valid time information from the GPS Receiver Once the Transmitter receives the GPS Receiver time signal the Transmitter sets its internal clock to that time and will display the correct time and date The Transmitter then begins transmission of its internal time once every second The transmission signal is a maximum one watt FM signal at approximately 72 MHz The Transmitter continually monitors the GPS Receiver and the Transmitter updates its internal clock with the time data it receives The number to the right side of the display is the channel number to which the Transmitter will be transmitting the time signal Warning The channel number must be the same as the channel number specified on your FCCI IC license If not you must immediately adjust the channel to the number that corresponds to the FCC IC license Note If the Transmitter receives no valid time data from the GPS Receiver for 48 hours then the red LED on the right side of the front panel will flash Daylight Saving Time The Transmitter is pre programmed to automatically make adjustments for Daylight Saving Time The letters DT Daylight Saving Time or ST Standard
19. wer to the Transmitter Check the display panel for the GPS Communication indicator If the symbol is not there disconnect power from the Transmitter disconnect the GPS Receiver from the Transmitter and check the GPS cable and connections Then reconnect the GPS Receiver to the Transmitter and reconnect power to the Transmitter If the GPS Communication symbol still does not appear in the display replace the GPS Receiver 14 The GPS Wireless Clock System Federal Communications Commission FCC and Industry Canada IC Information Compliance Statements This device complies with Part 90 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 This device complies with Part 15 of the FCC rules and with RSS 119 of Industry Canada 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 Canada IC 4256A FM72 TX RX LED The term IC before the certification registration number signifies only that the Industry Canada technical specifications were met Warning Changes or modifications to any Primex Wireless GPS Wireless Clock System components not expressly approved by Primex Wireless the
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