2-1. DRIVER'S CONTROLS AND INSTRUMENTS-Continued.
HIGH BEAM indicator (13). Indicates when headlights are on high beam.
PERSONNEL HEATER control box (14). Activates personnel heater.
Driver's interphone control box (15). Provides communication between crew during operations. Driver can
also allow a person outside vehicle communication with crew.
M17 periscope (16). Provides vision to driver while operating vehicle.