Model ATX AirTime Wireless Wall Clock Transceiver Installation & User's Guide Copyright © 2009 Lathem Time Corporation. All rights reserved.
Table of Contents Introduction ............................................................................. 1 LCD Display – Time, Date, Time Zone and Indicators ............................ 1 Indicators on LCD Display ............................................................. 1 Mode Selection .......................................................................... 2 Start Here............................................................................. 1 Master Mode .............................
Introduction ATX Installation and User’s Guide 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.
Transmitting “TRNS” ATX Installation and User’s Guide 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) Daylight Savings Time When illuminated, indicates that the ATX is in Daylight Savings Time. Reception strength In Master mode indicates the strength of the WWVB signal when receiving.
ATX Installation and User’s Guide AirTime wall clocks and ATX Repeaters. The WWVB signal strength indicator 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.
Start Here Master Mode ATX Installation and User’s Guide !! 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. 2.
ATX Installation and User’s Guide 3. 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.
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. 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.
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 will stop scrolling.
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.
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. 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.
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. 7. 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.
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 Master 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.
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.
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.
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 ・Plug type : EIAJ-2RA ・Ripple voltage ・Polarity : max 500mVrms (200mA load) : Center plus(+) terminal Troubleshooting Q. What happens if batteries die before I replace them? A. The ATX will stop working.
ATX Installation and User’s Guide reception indicator scrolls? A. 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. reception. Allow 24 hours for Reception is best at night when there are fewer radio interferences. Install the ATX in the same place where it finally received WWVB. Q. Can I set the time on the ATX manually? A.
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.
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 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.
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 warranty are listed below. 1.
