M1 TC CONTOLS F1 TC eye view F2 GPS extension (GPSE) F3 0.50 Cal. machine gun sight F5 Map screen B Button/unbutton tank Joystick Up/Down Elevate/depress current view. (Elevate/depress gun if overriding.) Joystick Left/Right Steer current view left/right. (Steer turret left/right if overriding.) Joy 1 (Spacebar) Order gunner to fire at target. (Fire gun if overriding.) Joy 2 (CTL) Drive to this point (eye View) (Lase, if overriding. ) Shift Joy 3 (P) Palm switch ON (overrides gunner) Joy 3 (P) Palm switch ON while depressed Joy 4 (N) Toggles binos on/off. (Toggles GPSE mag if overriding.) Shift joy hat left or Shift left Arrow Gunner scan left Shift hat right or Shift right Arrow Gunner scan right M Gunner use main gun / coax Insert Load Sabot next round Delete Load HEAT next round Home Load STAFF next round End Load MPAT next round , NORMAL fire control mode . EMERGENCY fire control mode / MANUAL fire control mode Keypad + Toggle TIS (on/standby) if overriding Keypad - Toggle TIS polarity if overriding 0-9 Type battle sight range entry Enter Enter battle sight range into ballistic computer