In STOP position brake is applied to stop a stabilizer runaway condition.
2. LEFT PNUMATIC CROSSFEED LEVER.
Position UP = OPEN (picture). Permits crossfeeding of air between the two
pneumatic systems. Also to air condition and/or ice protection system as
well as from the APU air system.
3. RUDDER TRIM KNOB.
Actuates the rudder load feel unit. During power operation the complete
rudder surface is displaced. During manual operation the rudder control tab
is displaced.