Instruction/ maintenance manual of the product DDC4-RS Lathem
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LTR-GPS Satellite Synchronizer Installation & Setup Guide.
THIS EQUIPMENT COMPLIES WITH FCC CLASS-A REQUIREMENTS PURSUANT SUBPART J OF PART-15 This device complies with Part 15 of the FCC Rules. Opera tion is subject to the following two conditio ns: (1) this.
Contents Welcom e .............................................................................................................. 1 Package Contents Specifications Configure Settings .....................................................................
LTR-GPS Installation and Setup Guide CHAPTER 1 Welcome Lathem’s LTR-GPS is a Global Positioning Satellite receiver using 12-channels to access the accurate date and time signal transmitted each second by 24 satellites in geosynchronous orbit around the globe.
LTR-GPS Installation and Setup Guide The LTR-GPS package includes the following: • LTR-GPS Satellite Synchronizer • 115vAC, 2 . 7w, 50/60Hz Power Adapter • Active GPS Antenna with 25ft. Cable • Antenna Mounting Bracket and Hardware LTR-GPS Specifications: • Size / Weight 3.
LTR-GPS Installation and Setup Guide CHAPTER 2 Configure Settings 1. Remove the two Philips-head screws on each end of the unit. Gently flex apart and lift the cover to expose the circuit board inside.
LTR-GPS Installation and Setup Guide 4. Set Daylight Savings Time switch 3 according to the following table to enable U.S. rules: 2:00AM first Sunday in April and last Sunday in October: Daylight Savings SWITCH 3 Enable OPEN Disable Closed 5. Switch 2 is used for custom ordered protocols only .
LTR-GPS Installation and Setup Guide CHAPTER 3 Install the Antenna The antenna must be installed in a position that will have line of sight with three satellites.
LTR-GPS Installation and Setup Guide After setting the LTR-GPS switches, then mount the active antenna. Locate the antenna at the highest elevation possible, with a wide view of unobstructed, open sky. If possible, avoid mounting the antenna on the north side of a building, which might block exposure to satellites.
LTR-GPS Installation and Setup Guide Avoid these locations when mounting antenna: 1. Using two (2) supplied screws, attach the satellite antenna to the mounting bracket.
LTR-GPS Installation and Setup Guide 2. If you have Lathem’s Installation Kit (P/N GPS-INSTALL-TOOLS sold separately), then connect the 9v battery plug to the LTR-GPS’ power jack and the piezo beeper to the exposed shunt pins: Red to (+) and Black to (-).
LTR-GPS Installation and Setup Guide 5. Mount the LTR-GPS unit to an indoor surface within the 25 foot antenna cable length using four (4) screws and anchors if needed (not supplied).
LTR-GPS Installation and Setup Guide CHAPTER 4 Connect Slave Devices 1. Connect a category 3 or 5 cable to the terminal block using a small, flat-blade screwdriver. Connect one of the four twisted-pairs of the cable to the D+/D- terminals on the LTR-GPS unit.
LTR-GPS Installation and Setup Guide Page 11 Fig.2 - Connect to LTRx-512 Master Clock 4 0 0 0 FT. M AX 2 0 0 FT. M EL SE U SE A X; PO W ER ADAPTE R Fig.
LTR-GPS Installation and Setup Guide Warranty Limited One-Year Limited Warranty Lathem warrants the hardware products de scribed in this guide against defect s in material and workmanship for a period of one year from date of original purchase from Lathem or fro m an authorized Lathem reseller.
Document # USG0045A.
An important point after buying a device Lathem DDC4-RS (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lathem DDC4-RS yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lathem DDC4-RS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lathem DDC4-RS you will learn all the available features of the product, as well as information on its operation. The information that you get Lathem DDC4-RS will certainly help you make a decision on the purchase.
If you already are a holder of Lathem DDC4-RS, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lathem DDC4-RS.
However, one of the most important roles played by the user manual is to help in solving problems with Lathem DDC4-RS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lathem DDC4-RS along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
