US Shift Quick 2 GEN2 Installation And Operation Manual page 26

Override = There are several options in this menu which are useful when
troubleshooting.
"Line Prs" can be used to override line pressure manually. Use this only if you
were instructed to do so by a Baumann Electronic Controls technician.
"TCC Sol" can be used to manually lock the TCC by holding the knob down.
When released, the TCC will unlock. Doing this while idling in gear will usually
cause the engine to stall if your transmission allows TCC engagement in first
gear.
"Mode Lamp" can be used to test the overdrive or manual mode lamp. The lamp
should illuminate when you hold the knob down.
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