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

This article was last updated on May 14, 2012, 6:59 p.m. | Print Article | Leave Feedback


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.

Was this article helpful? Send us feedback!

Please let us know if this article was helpful to you.

Please leave a detailed message below.