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© 2020 Digitrax, Inc. 

www.digitrax.com

3

1.0  Introduction

Congratulations on your purchase of a Digitrax UT6 family of throttles.  The 

UT6 is a LocoNet throttle with Digitrax IR untethered capability and the UT6D 

version has the same capabilities, with the addition of Digitrax Duplex teth-

erless operation.  Both Duplex and IR operations work with existing Digitrax 

compatible command stations, layouts and UR92, UR90 devices. 

There are other international versions of the Duplex throttle and this manual 

covers the complete family, since operations are consistent and similar.  The 

model ID is shown on the LCD screen at power on

To simplify operation the UT6 employs a color graphic LCD screen and a vari-

ety of cascading menus, up to five context-related soft keys and a built in con-

text-related help system that prompts available actions, or information on the 

side-scrolling HELP line.

This context HELP system prompting, coupled with a color LCD screen makes 

the UT6 very easy to use and a powerful layout control throttle.  You will not 

need to refer to a manual very often!

The UT6 throttle firmware can be downloaded and updated in the field using a 

PC running the free DigiIPL app and connected to a compatible Digitrax USB 

device.  The UT6 functions and screens may change with updates from the 

Digitrax Web site, so be sure to check the UT6 product pages to get the latest 

information and .dmf download files. 

The design of the Digitrax Complete Train Control

®

 system lets you operate 

your layout the way you choose. With LocoNet

®

 you simply connect system 

components to build the layout control system that you’ve always wanted!  

The Digitrax system reduces and simplifies layout wiring. 

There are many different combinations of Digitrax components that can be used 

to set up a layout control system that is right for you. You can combine Digitrax 

products with compatible decoders, boosters and computer software made by 

other companies that build compatible equipment.
Your success with & enjoyment of our products are very important to us.  After 

all, this is a hobby and it is FUN!!! Please read this manual carefully before 

using your product. There is additional information on this product and its oper-

ation at the 

www.digitrax.com

. web site.  We have included lots of hints and 

operating ideas based on our experience.  If you have questions not covered by 

this manual please contact your dealer or visit our web site at 

www.digitrax.

com

. The Digitrax on-line Tech Support Depot is always open, and support staff 

is ready to help on our Help Desk at: 

helpdesk.digitrax.com

.

Summary of Contents for UT6 Series

Page 1: ...helpdesk digitrax com www digitrax com Digitrax Manuals Instructions are updated periodically Please visit www digitrax com for the latest version of all manuals for available firmware updates Digitra...

Page 2: ...tep settings 12 4 8 Multiple Unit MU or Consist operations 12 4 9 Adding a Locomotive to an MU 13 4 10 Removing a Locomotive from an MU 14 4 11 MU of mismatched locomotives 14 4 12 Controlling functio...

Page 3: ...and connected to a compatible Digitrax USB device The UT6 functions and screens may change with updates from the Digitrax Web site so be sure to check the UT6 product pages to get the latest informati...

Page 4: ...Key Switch Key Color LCD screen Throttle knob Forward Brake Reverse switch Figure 1 UT6 family controls and LCD screen view Heartbeat LED 0002 F sp 50 Fn0 0 1 2 3 4 5 6 7 8 9 DigiT30 12 Trk Press loco...

Page 5: ...en arrow symbol showing direction and a current speed indication above this The scrolling HELP prompt line at the bottom of the display pro vides useful operating hints and information in context as y...

Page 6: ...lor LCD screen The screen provides a variety of information and input prompts to assist in running locomotives and system setup This section outlines the Home Operations Screen other menu displays wil...

Page 7: ...on is shown if the throttle is unplugged and the IR or Duplex modes are enabled with LocoNet support found The battery sym bol shows approximate battery power when the throttle is unplugged 3 The Func...

Page 8: ...ls to get through the white LED will flash and if layout Duplex support fails the NetName will change to red text 3 1 Recharging a Digitrax BP600MH Battery pack 1 Remove the 3 AA batteries from the UT...

Page 9: ...number will provide you addition al information about the loco address num ber you are selecting If it says free the locomotive is available for selection If it says busy the locomotive is in use on...

Page 10: ...key pressed the key is now a soft key showing address Recall choice Press this key to bring up the non volatile list of the last 6 unique addresses used on this UT6 When in Recall Session Loco List s...

Page 11: ...ired by another throttle Only one address at a time can be marked as a dispatched address in the system To dispatch a locomotive address using the UT6 1 Press the key to enter address selection enter...

Page 12: ...lection and speed step setting change Once this change is made the Digitrax command station will send DCC commands to the edited decoder in the speed step setting you entered 4 8 Multiple Unit MU or C...

Page 13: ...o use to control the MU This will be the TOP address To do this press enter the address numbers press again 3 Press again to re enter loco selection mode and the large TOP address numbers in the Loco...

Page 14: ...MU have performance characteristics that are closely matched you can run all the MU ed locomotives in e g 128 step mode If the units are completely mismatched for example if you are running two diffe...

Page 15: ...operate functions F0 F9 on your locomotive Select the loco you want to control Press the key until you see Fn0 at the left of the Function line This group means numeric 0 9 keys now control functions...

Page 16: ...There is no F29 DCC function 5 4 Troubleshooting Function Operation If the function you want to operate does not respond check the following 1 Is Track Status Power on If not press the Power Back Key...

Page 17: ...switch address selection and not function control 7 0 Expanded Menu Features To reduce display clutter the UT6 places expanded menu choices in a menu system accessed by the or MENU key Pressing the ke...

Page 18: ...ets the time at the lower ID16 level before the display turns OFF for maximum power save and battery life Higher numbers increase LCD brightness and delays Option ID8 Enc LCD wake and ID9 FnKey LCD wa...

Page 19: ...on a powered layout immediately Press the key then the key to turn OFF track power to the whole layout This option will stop everything on the layout without knowing what locomo tive is on which thro...

Page 20: ...Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help OEM RF28 Manufacturer Respons...

Page 21: ...nty before continuing onto this section Digitrax gives a one year no worries warranty against manufacturing defects and accidental customer damage on all Digitrax products That s it Simple straightfor...

Page 22: ...2020 Digitrax Inc www digitrax com 22 22 This page left intentionally blank...

Page 23: ...2020 Digitrax Inc www digitrax com 23 23 This page left intentionally blank...

Page 24: ...in a particular locomotive Digitrax CV Calculators www digitrax com support cv Calculate a CV value to program your locomotive Digitrax Tool Box App www digitrax com toolbox Download our Mobile App f...

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