T.R 1134 PTT inverted position.

Type 3 control box for T.R.1134 (or A.R.I. 1063) has as 3 position lever switch labeled:

T - R - REM (Transmit - Receive - Remote operation).

T position is momentary for work as PTT button and transmit.

This switch can be locked in T position by slider above for use in certain bomber stations voice operated.

In P-51 Mustang this switch positions correctly control communications PTT menu, the (\) is only possible to be used trough PTT button on P-51 throttle (or key/button) if switch is in REM position. :thumbup:

In Mk.IX work in the same way, but there should be different, because Mk. IX don't has remote PTT button.

free image upload

So will be need use the lever momentarily in T position for activate the (\) for PTT, but this don't work.

In Mk.IX:

REM position should do nothing - no remote PTT button installed.

R - work OK actually, receive messages.

T - should work as PTT momentarilly - calling the (\) menu.

Yes, confuse, hope to be clear.