Hi!
First: Traxxas info:
http://traxxas.com/products/parts/tr...k2ch-downloads
Edit:
There are different types of the TQ4 with different behaviours.
It seems the behaviour of the TQ4 HO is known to be rather weird:
"The 3-position switch on the TQ4 is super weird. The switch actually controls two servos. Move the switch down, ch3 moves. Move the switch up, ch3 moves back and ch4 moves."
from
http://www.scale4x4rc.org/forums/showthread.php?t=51718
Also from there:
"However, if you open up your radio and switch the wires that go from the 3 position toggle switch to the 2 position switch, you will have a "TRUE" 3 position and a 2 position."
I suggest you head over and read what our Scale 4x4 friends are up to
Best of luck, the programming tree of that radio drives me nuts just by reading it.
Jens