M1 GUNNER'S CONTROLS

F1                              Gunner's primary sight (GPS)
F2                              Gunner's auxiliary sight (GAS)
F3                              Unity sight
F4                              Gunner's interior screen
F5                              Map screen
Joy Up/Down           Elevate/depress gun 
Joy Left/Right          Steer turret left/right 
Joy 1 (Spacebar)    Fire 
Joy 2 (CTL)              Lase
Joy 3 (P)                   Palm switch off while depressed
Joy 4 (N)                  Toggle day or TIS mag (GPS view)
M                                Toggle gun select: main / coax
T                                Notify TC of target in sights
Insert                         Set ammo select to Sabot
Delete                       Set ammo select to HEAT
Home                        Set ammo select to STAFF
End                            Set ammo select to MPAT
,                                   NORMAL fire control mode
.                                   EMERGENCY fire control mode
/                                   MANUAL fire control mode
~                                  Toggle laser return: first / last
R                                 Toggle GAS reticle: Sabot / HEAT
Keypad  +                  Toggle TIS: on / standby
Keypad  -                  Toggle TIS polarity
Arrow keys               Manual-mode gun steering
0-9                             Manual range entry (GPS view)
Enter                          Enter manual range entry into
                                         ballistic computer (GPS view)