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Manual Lathem DDC4-RS

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Summary
  • Lathem DDC4-RS - page 1

    LTR-GPS Satellite Synchronizer Installation & Setup Guide ...

  • Lathem DDC4-RS - page 2

    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 device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired ...

  • Lathem DDC4-RS - page 3

    Contents Welcom e .............................................................................................................. 1 Package Contents Specifications Configure Settings .............................................................................................. 3 Time Zone Daylight Savings ASCII Output (optional) Install the Antenna ...

  • Lathem DDC4-RS - page 4

    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. The package includes an amplified GPS Antenna, which must be mounted out-doors or beneat ...

  • Lathem DDC4-RS - page 5

    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 3.25”x 2”x6.6” / 1 lb. • Power: 6-12vAC/DC, 300mA (max) • ...

  • Lathem DDC4-RS - page 6

    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. 2. Locate the 8-position DIP switch and hold the unit on a table so that the switch numbers can be viewed in the following order: SWITCH 1 SWITCH 2 ...

  • Lathem DDC4-RS - page 7

    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 . This should normally be left in the OPEN position. 6. ...

  • Lathem DDC4-RS - page 8

    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. Page 5 ...

  • Lathem DDC4-RS - page 9

    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. Proper locations for antenna moun ...

  • Lathem DDC4-RS - page 10

    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. Do not over-tighten the screws. Page 7 ...

  • Lathem DDC4-RS - page 11

    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 (-). Connect the antenna cable to the LTR-GPS Module. Hold the antenna in its intended mounting ...

  • Lathem DDC4-RS - page 12

    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). Do not attempt to extend this Cable . 6. Plug the antenna cable into the antenna jack on the LTR-GPS unit and secure the cable in the plastic clamp for strain relief ...

  • Lathem DDC4-RS - page 13

    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. This provides synchronization comm ands to the Lathem slave devices. Connect the other end ...

  • Lathem DDC4-RS - page 14

    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.3- Connect to LTR-0 or DWA-S (Sonachron) LTR - 0 DW A-S YEL LOW WH I T E WH I T E YEL L OW Fig.4 - Connect to DDC Series Digital Wall Clock DDC2-RS / DDC4-R S ...

  • Lathem DDC4-RS - page 15

    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. The conditions of this warranty and the extent of the ...

  • Lathem DDC4-RS - page 16

    Document # USG0045A ...

Manufacturer Lathem Category GPS Receiver

Documents that we receive from a manufacturer of a Lathem DDC4-RS can be divided into several groups. They are, among others:
- Lathem technical drawings
- DDC4-RS manuals
- Lathem product data sheets
- information booklets
- or energy labels Lathem DDC4-RS
All of them are important, but the most important information from the point of view of use of the device are in the user manual Lathem DDC4-RS.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Lathem DDC4-RS, service manual, brief instructions and user manuals Lathem DDC4-RS. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Lathem DDC4-RS.

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A complete manual for the device Lathem DDC4-RS, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Lathem DDC4-RS by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Lathem DDC4-RS.

A complete Lathem manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Lathem DDC4-RS - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Lathem DDC4-RS, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Lathem DDC4-RS, that we can find in the current document
3. Tips how to use the basic functions of the device Lathem DDC4-RS - which should help us in our first steps of using Lathem DDC4-RS
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Lathem DDC4-RS
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Lathem DDC4-RS in a specific country, if it was not possible to solve the problem on our own.

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