Digitrax UT4 Throttle Operating Instructions by Dan Bourque Selecting a locomotive or consist 1. Dial the 4-digit locomotive address into the “LOCO ADDRESS” dials - For a consist, the address will normally be the lead locomotive - For a 3-digit locomotive number, use “0” for the first digit 2. Plug the throttle into any receptacle on the layout fascia (e.g. Digitrax UP5) 3. Press the “SEL” key, the ST light on the throttle should turn green 4. Move the direction selector on the throttle to either “R” or “F” 5. Move the ...
UT4 Sleep Mode is used to extend throttle battery life; it does not charge the throttle batteries but it does reduce the draw on the throttles' batteries.To put the UT4 to sleep, press and hold any function key down and turn any address selector to the next digit. The throttle will go into sleep mode. The UT4 will release the address that was selected and the status light will briefly turn red. If the unit is plugged into LocoNet port you can unplug the throttle and the throttle will then be in sleep mode until plugged back in to LocoNet ...
The UT4 comes InfraReady for layouts that are equipped with one or more UR90 infrared receivers. For Infrared operation:1. Install one or more UR90 infrared receivers on your layout. These should be connected to LocoNet and powered. If you have UR92s and/or UR91s present on the layout, these also support infrared operation. You will need enough infrared receivers installed on the layout so that the throttles you use can "see" the receivers since the transmission is line of sight. You may also encounter problems in rooms where there are large windows that would interfere with the transmission.2. Install a 9 ...
UT4 Function Control Keys and How they WorkThere are 8 physical keys used to control functions F0-F12 on the UT4 throttle. F1 through F6 and F7-F12 share the same keys. You will see F1-F6 in black print and F7-F12 in blue print to remind you that you will need to use the SHIFT key to access F7-F12. To use functions F7-F12 you must press and hold down the SHIFT key on the lower left row of the throttle as you press the F7 through F12 keys to activate any functions available on those functions. All the UT4 functions work like other Digitrax throttles. ...
Dispatching is the process of releasing a loco so that another user can take control of it. To release, or dispatch, a loco under current UT4 control:1. Unplug the UT4 from the LocoNet port.2. Press and hold the DISP (Dispatch) key.3. Plug the throttle back into a LocoNet port.
Can I add Radio and IR to my Big Boy?Yes.Adding radio and/or IR to Big Boy is the same as adding it to any other existing Digitrax layout or Digitrax Starter Set. Digitrax offers InfraRed, Duplex Radio and Simplex Radio systems for wireless operation. Any combination of these wireless methods can be used on the same layout at the same time.Infra Red Wireless OperationAll current Digitrax throttles are Infrared capable (InfraReady) in that they come from the factory equipped with the IR emitters required to send IR information to LocoNet. To use this functionality, you only need to add one ...
Can I add Radio and IR to my Zephyr Xtra?Yes.Adding radio and/or IR to Zephyr and Zephyr Xtra is the same as adding it to any other existing Digitrax layout or Digitrax Starter Set. Digitrax offers InfraRed, Duplex Radio and Simplex Radio systems for wireless operation. Any combination of these wireless methods can be used on the same layout at the same time.Infra Red Wireless OperationAll current Digitrax throttles are Infrared capable (InfraReady) in that they come from the factory equipped with the IR emitters required to send IR information to LocoNet. To use this functionality, you only need to ...
If you are NOT plugged into a LocoNet port1. Use the 4 rotary address selector knobs on your UT4 to dial up the 2 or 4 digit address of the locomotive you want to run. To enter a 2-digit addresses, set the first two selector knobs to 0 and enter the two digit address on the 2 address selector knobs on the right hand side of the throttle (for example 0025).2. Plug the UT4 into any LocoNet port and automatic selection occurs.3. A Green Status light confirms that selection has been done successfully - You’re off and running!4. A Red Status light means the loco is ...
My club uses UT4R radio throttles. At the end of the session they ask that the battery be reversed in the throttle housing to "extend battery life". This effectively reverses the polarity of the battery in the throttle. Is this step necessary? Is there any drain on the battery when the throttle is not in use? If there is a drain, should the battery then be removed for storage? So my question is: How should you store a UT4R so as not to drain the battery when the throttle is not being used? The throttle batteries will indeed drain if ...
Q: I just purchased a used Digitrax set consisting of a DB150, UT2 and a PS515 for a very low price. What do I need to add to bring this up to current standards? A: Because of Digitrax LocoNet, it is easy to add the latest components to upgrade on older starter set. What you purchased was originally called a Genesis Starter Set. The PS515 did not come with it but it is the perfect power supply for the DB150. Your next step depends on what you want to do with your railroad. In this case, the components you have will be ...
Changing the Direction switch on the top left hand side of the UT4 from Forward (F) to the center Brake (B) position causes the loco to stop at the locomotive’s programmed deceleration rate. Changing quickly from ‘F’ to ‘R’ (Reverse) causes the loco to stop at the programmed deceleration rate, then reverse direction and accelerate at the locomotive’s programmed acceleration rate.
The UT4 series, UT4, UT4D & UT4R are "traditional" style throttles. The UT4s were developed from a specification submitted by Digitras users through the Digitrax Yahoo group. These throttles were designed by operators for operators. They are also great for beginners because of their intuitive controls and reduced feature set. By not offering all the bells and whistles, beginners can run your railroad without accidentally changing settings that might cause problems. Works with any LocoNet compatible system 4-Digit addressing Functions F0 - F12 for lighting and sound decoder operation Direction switch with center brake position ...
Stealing, or "sharing" is defined as acquiring control of a loco address that is being used by someone else on another throttle. To ‘Steal’ a loco:1. Unplug the UT4 from the LocoNet port.2. Dial up the address of the loco you want to steal.3. Press and hold the ‘STEAL’ key while plugging the throttle into the LocoNet jack. Note: To steal or dispatch another loco, you must unplug the UT4 and repeat the above sequence.
Can the UT4 or UT4R be set to have its own unique throttle ID like the DT300/DT300R and DT400/DT400R? There are several uses for this functionality, including it being useful when looking at logs of LocoNet traffic from PanelPro/DecoderPro when trying to diagnose problems and identify potentially faulty throttles. This from A. J.: Each UT4 has a unique ID programmed as serialization at manufacture, and is distinguishable from DT400's etc. The UT4 has values of EX1 as {x74/x75} in the LocoNet messages with EX2 equal to the unit factory serial number.
Will the UT4R operate on an Infrared System also as well as a radio frequency? Yes, the UT4R & DT400R will operate on IR systems as well as radio systems.
As of 2017, UT4 throttles can only be converted to duplex. Digitrax discontinued simplex radio upgrades due to lack of parts. This radio retrofit must be done at the Digitrax factory because of FCC rules. Please complete the form in the warranty section of the website and send it in with your throttle. Be aware the long cord will be cut off to 12", no exceptions.
Digitrax UT4D Throttle Operating Instructions by Dan Bourque v1.0 Selecting a locomotive or consist 1. Dial the 4-digit locomotive address into the “LOCO ADDRESS” dials - For a consist, the address will normally be the lead locomotive - For a 3-digit locomotive number, use “0” for the first digit 2. Press the “SEL” key, the ST light on the throttle should flash green 3. Move the direction selector on the throttle to either “R” or “F” 4. Move the speed knob until train moves 5. For headlight, press the “F0” key (“F3” will ...