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Digitrax UT1 Manual

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UT1 & UT2
LocoNet Utility Throttle Manual
450 Cemetery ST #206
Norcross, GA 30071 USA
(770) 441-7992 Fax (770)441-0759
Digitrax Manuals & Instructions are updated periodically.
Please visit www.digitrax.com for the latest version of all manuals.
This manual was updated 06/03.
Digitrax, Inc.
www.digitrax.com
D
R
igitrax
C
ommand
C
ontrol

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Summary of Contents for Digitrax UT1

  • Page 1 LocoNet Utility Throttle Manual Digitrax, Inc. 450 Cemetery ST #206 Norcross, GA 30071 USA (770) 441-7992 Fax (770)441-0759 www.digitrax.com Digitrax Manuals & Instructions are updated periodically. Please visit www.digitrax.com for the latest version of all manuals. This manual was updated 06/03.

  • Page 2: Table Of Contents

    UT1 & UT2 LocoNet Utility Throttle Manual Table of Contents 1.0 UT1 & UT2 Utility Throttle Features & Specifications 2.0 Using your UT Throttle 2.1 Turning On Track Power 2.2 Turning Off Track Power 2.3 Running a Locomotive 2.3.1 Run An Analog Locomotive on Address "00"...

  • Page 3: Ut1 & Ut2 Utility Throttle Features & Specifications

    7.4 Emergency Stop 7.5 Mechanical Drive Train Problems 8.0 FCC Information 9.0 Warranty and Repair Information Digitrax, LocoNet and others included in this manual are trademarks of Digitrax, Inc Digitrax, Inc. is not responsible for unintentional errors or omissions in this document.

  • Page 4: Using Your Ut Throttle

    After all, this is a hobby and it is FUN!!! Please read this manu- al carefully before you install your system. We have included lots of hints and operating ideas based on our experience with the Digitrax system. If you have questions not covered by this manual please contact your dealer or Digitrax.

  • Page 5: Turning On Track Power

    2.1 Turning On Track Power Turn on the track power by pressing and holding the "RUN/STOP" button, then simultaneously pressing the "ON/F1" button. The command station will beep once and the "TRACK STATUS" light on the command station will come on. 2.2 Turning Off Track Power Turn off the track power by pressing and holding the "RUN/STOP"...

  • Page 6: Run A Dcc Equipped Locomotive

    Connect your UT Throttle to any LocoNet jack on your LocoNet System. In order to select a DCC locomotive, you must know its address. All Digitrax decoders are factory programmed to the default 2 digit short address "03." If your decoder has not been re-programmed then select "03"...

  • Page 7: Ut1 Throttle Control Panel

    UT1 Throttle Diagram 3.0 UT1 Throttle Control Panel 3.1 General color codes The UT1 is color coded according to how the keys are used. The only RED key is Run/Stop. This is so you can't miss it in case of emergency.

  • Page 8: Address Selector Rotary Dials

    Green indicates a locomotive has been successfully selected. · Red indicates the direction and/or speed are out of correspondence on a locomotive being selected. · Blinking orange indicates the UT1 is in "Switch Mode". 3.6 Shift Key · Press and hold to access F3, F4, F5. ·...

  • Page 9: F1/F4/On Key

    3.10 F1/F4/ON Key · Press F1 to toggle Function 1 on and off. · Hold "Shift" and press F4 to toggle Function 4 on and off. · Press "RUN/STOP" and "ON" together to turn track power on. 3.11 F2/F5/OFF Key ·...

  • Page 10: Ut2 Throttle Control Panel

    Direction Toggle Switch Section 4.3 Throttle Knob Section 4.2 Green LED Indicators Section 4.12 F2/F5 F1/F4 CV Value 128 128 28 28 14 14 Section 4.11 F0 F0 F3 F3 F1 F1 F4 F4 F2 F2 F5 F5 Section 4.10 CV VL CV VL DISP...

  • Page 11: Direction Toggle Switch

    The left selector dials in the 10s and the Right selector dials in the 1s. Select address "99" to select a locomotive or consist that has been "DISPATCHED" from another Digitrax throttle. (See section on dispatched locomotives.) 4.5 Status Indicator Indicates the status of the UT2.

  • Page 12: F0/F3/Adr Key

    4.9 F0/F3/ADR Key · Press F0 to toggle front and rear headlights on and off. · Hold "Shift" and press F3 to toggle Function 3 on and off. · When in Program Mode, press to set locomotive address. 4.10 F1/F4/ON/CV# Key ·...

  • Page 13: Ut Throttle Id Number

    5.2 Track Power Mode If track power is off, press "RUN/STOP" and "ON" simultaneously to have the Digitrax command station turn on the track power & go through power up sequencing. Press "RUN/STOP" and "OFF" to turn track power off.

  • Page 14: Stop Mode

    This can be done using Digitrax UP5 Universal Panel(s), to expand LocoNet, with the battery saver option hooked up. When a UT Throttle is disconnected from the network it turns off, but all the settings are retained in EEPROM while you move to a different part of the layout..
  • Page 15 UT Throttle. Care should be taken to insure that the UT Throttle is at a comparable speed setting and direction before selecting a locomotive. 5.6 UT2 Programming Mode The UT1 has no programming ability. To program decoders use a system...
  • Page 16 throttle such as a UT2 or a DT100 series throttle. To use the UT2 to program a decoder : 1. Press and hold the RUN/STOP key and the PROG key. The STATUS INDICATOR will change to steady orange indicating that the UT2 is in Program Mode.
  • Page 17 Table II: Most Commonly Used CVs CV # Used For Value range Ad(01) Loco Address 0-98 decimal Start Voltage 0-99 decimal (Vstart) Acceleration rate 0-99 decimal Deceleration 0-99 decimal Mid-point 0-99 decimal Voltage (Vmid) Configuration See Table III Register Table III: Configuration Register Values: These are some of the common values used in the Configuration register (CV #29) and their meaning.

  • Page 18: Loadable Speed Tables

    If you have a decoder that does not support 128 or 28 speed step opera- tion, you will need to tell the command station by editing the status of that decoder before running it with your Digitrax system. To Status Edit using a UT2: 1.

  • Page 19: Running Trains

    The right selector dials in the 10s and the left selector dials in the 1s. Select address "99" to select a locomotive or consist that has been "DISPATCHED" from another Digitrax throttle. (see sec- tion on Dispatched locomotives). After selecting the address, press "ACQ/DISP" once to finish the selection.

  • Page 20: Selecting A Locomotive (Quik Mode)

    The right selector dials in the 10s and the left selector dials in the 1s. Select address "99" to select a locomotive or consist that has been "DISPATCHED" from another Digitrax throttle. (see sec- tion on Dispatched locomotives). After selecting the address, press "ACQ/DISP" once to finish the selection.

  • Page 21: Dispatching Locomotives

    6.5 Dispatching Locomotives Dispatching is a special feature incorporated into the LocoNet "lan- guage" to meet the needs of clubs and serious operators that wish to enforce a strict discipline in how engineers access locomotives. An example would be having a Superintendent of motive power making all the locomotive assignments.
  • Page 22 UT Throttle Address Selection Flow Chart...

  • Page 23: Controlling Lights & Functions

    Note that for proper light operation, you must be sure that the decoder’s speed steps match the speed steps sent by the Command Station. If you are using a Digitrax or other Advanced capability decoder, we recommend it be programmed to the 128 speed step (default) mode or 28 step mode.

  • Page 24: Troubleshooting

    6.7 Consisting Operations The UT Throttles will run any consist you have set up with other LocoNet throttles in your system as long as the address is 01-98 or if you run the consist as a 4 digit address on 99. When you are using a UT2 throttle for programming, you will only be able to access basic consisting.

  • Page 25: Mechanical Drive Train Problems

    -Consult the dealer or an experienced radio/TV technician for help. Note that any modifications to the equipment not expressly approved by Digitrax voids the user's authority to operate under and be in compliance with CFR 47 rules, as admin- istered by the Federal Communication Commission.
  • Page 26 All warranties on Digitrax products are limited to refund of purchase price or repair or replacement of Digitrax products at the sole discretion of Digitrax. In the event that Digitrax products are not installed or used in accor- dance with the manufacturer's specifications, any and all warranties either expressed or implied are void.
  • Page 27 Dispatching Locomotives 20 UP5 Universal Panel 13 Using your UT Throttle 3 Emergency Stop 23 UT Configuration Mode 11 UT1 Won't power up when plugged in F0/F3 Key 7, 11 F1/F4/ON Key 8, 11 F2/F5/OFF Key 8, 11 Walkaround Operation 12...

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