Small radio control

GAS +
GAS –
Engage HP pump
Adjust HP pump pressure
Engage vacuum pump (suction)
Engage vacuum pump (compression)
Rear discharge valve
Rear suction valve
Wind hose reel 1 and hose reel 2
Unwind hose reel 1 and hose reel 2
Push-button to wind/unwind hose reel 2

Medium radio control

GAS +
GAS –
Engage HP pump
Adjust HP pump pressure
Engage vacuum pump
Reverse vacuum pump
Extend side-mount hose or release side-mount hose reel rotation
Retract side-mount hose reel
Rear suction
Extend rear-mounted hose
Retract rear-mounted hose
Upper suction hose reel valve
Wind suction hose reel
Unwind suction hose reel

Large radio control

GAS +
GAS –
Engage HP pump
Adjust HP pump pressure
Engage vacuum pump
Reverse vacuum pump
Wind side-mount hose reel (release with manual side-mounted hose reel)
Rear suction
Rear discharge
Extend rear-mounted hose
Retract rear-mounted hose
Wind suction hose reel
Unwind suction hose reel
Spout valve / upper suction hose reel valve
Rotate spout / suction hose arm to R
Unwind side-mount hose reel or release side-mount hose reel rotation
Extend spout / suction hose arm
Retract spout / suction hose arm
Raise spout / suction hose arm
Lower spout / suction hose arm
Vent tank
Rotate spout / suction hose arm to L
Adjust rear-mounted hose reel speed