UT4

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Throttle:

Digitrax: UT4

Summary: The UT4 is a traditional style throttle. Ideal for operating sessions and novice users as well. Equipped with Infrared LEDs for wireless operation using a UR90, UR91 or UR92. All of these panels have infrared receiver capabilities.

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General information
Manufacturer Digitrax
MSRP 79.95 USD70.90 EUR <br />59.92 GBP <br />111.90 AUD <br />101.83 CAD <br />
Manufacturer Part Number
Common Name
UPC Number
Release information
Product URL Product Link
Manual URL Manual Link
Has computer interface None
Firmware Upgrade Possible No
Year Released
Year EOL
Predecessor
Successor UT6
Connection Details
Throttle Network
Throttle Connection Methods Wired
Infrared Requirements UR91, UR92, UR90
Radio Requirements UR91, UR92, UR90
Power method Wired, Battery
Max Current
Display screen size 0
DCC Features
Number of instant throttle controls

How many trains can be controlled instantly with knobs

Can control stationary decoders No
Max Controllable Switches
Max Number of Controllable Functions 12

UT4

The UT4/UT4R is the fourth version of Digitrax Utility Throttles. They are meant as a low cost, easy to operate alternative to the full feature DT series of throttles.

These throttles are obsolete, but can be found on the used market. They are compatible with current command stations and are still useful.

Description

Both throttles can be used tetherless, or connected to Loconet. The UT4 features a long curly cord, where the UT4R (Radio) has a short, flat cable. The UT4 can communicate with LocoNet using IR. A suitable receiver is required for both throttles to operate in wireless mode.

These throttles are designed for basic locomotive operations.

  • Primary and Extended Addressing
    • 0001 to 0127 (Primary)
    • 0128 to 9983 (Extended)
  • Functions F0 to F12 (F8 – F12 not available when using IR)
  • Select, Steal and Dispatch capability

As they are designed for operation, they lack the ability to control accessory decoders or configure multifunction decoders.

Selecting an Address

Address selection is performed using four ten-position switches. Select the desired address and press the SEL key. A small status indicator between the pairs of switches changes to green from red, indicating everything is ready to go.

  • If an extended address was created in the range of 0001 to 0127, the UT4 cannot access it.

Steal and Dispatch Functions

To use these functions, it is necessary to unplug the throttle from the LocoNet, press the button, and while holding the button plug the throttle back in.

Consists

Consists are selected in the same manner as a locomotive: Dial up the address and press SEL.

  • The throttle cannot create consists

Controls

Speed

The large knob acts as the throttle.

Direction / Brake Switch

A small three-position toggle switch at the upper left acts as a combined Direction and Brake switch. In the center position, the brake is activated.

Power

The UT4 will function without a battery, but for wireless operations one is required. A 9V battery can be installed under a cover on the back of the throttle.

Sleep

The throttle can be put to sleep when not in use. Unplug the throttle from the LocoNet, press a function key and then change the position of an address switch by one digit. It will wake up when it reconnects to LocoNet.

  • As always, if the throttle will not be used for an extended period of time, remove the battery.


UT4 FAQs

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See Also

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