KB577 DT400 - Playable whistle on F2 button

  Q:  I have read in some of the model magazines that the F2 button on the DT400 is a pressure sensitive playable whistle button. I have not noticed any difference in sound with the F2 button on my DT400. Is there some way to determine if this feature is present on my throttle? A:  Most Digitrax DT400 and all DT402 series throttles have the capability of implementing the playable whistle feature when used with Digitrax sound decoders.Prior to the release of Digitrax sound decoders this feature was considered as an experimental throttle feature and was not fully documented. Once Digitrax released ...

KB451 DT402 & DT400 - Throttle Option 2 Default Decoder Status & Tetherless Operation

Throttle Option 2Throttle Default Decoder Status 128/28/14 speed steps Each DT402/DT400 can be set up to operate new decoders selected by that throttle as any decoder status code you choose. New decoders are defined as decoders that have not been selected in your system. Your throttle's default setting is to operate decoders that are 128 speed step capable, so when a new decoder is selected the throttle automaticaly assumse that all decoders selected are that 128 speed steps. If you operate mostly decoders that are only able to recognize 28 speed steps, you can change this setting.Tetherless Operation Mode Each throttle can be set up with radio ...

KB746 DT402 & DT400 Series Throttle OPTN, "t" Key- Option or thrown

The OPTN t Key is used to enter the Option Mode to set throttle and system options. It is also used to issue t (thrown) commands when the throttle is in Switch mode.In the case of turnout control:t=thrown, when a "t" command is sent, the turnout is set for the diverging route through the curved leg.

KB447 DT400 - Changing Throttle Option Settings

To change DT400 Option Settings 1. Consult the Throttle Option Setting Tables found in the DT400 manual to determine which settings you want to make for each of the 6 available options. 2. Press the OPTN t Key and the display will show: 3. The right side of the display will show the current value for OP#1. The default setting for OP#1 is x01. Notice that these values are entered in hex format. The “x” in front of the value lets you know to expect to use hex numbers. Pressing the throttle keys will not change to decimal values in this ...