D20x22 Series II Navigator HDD Electronic Controller 21-7
(22) AutoDrill Mode Select
Constant Thrust/Pullback Pressure Mode
Active
Constant Rotation Pressure Mode Active
Constant Thrust/Pullback Speed Mode
Active
(23) Thrust/Pullback Output
Use Speed/Pressure Trim Switch to increase or
decrease value.
(24) Thrust/Pullback Pressure changing,
which decreases thrust speed output
(25) Rotation Pressure changing,
which decreases thrust speed output